CNC machining, molding, casting, forging, gear manufacturing and secondary operations coordinated through one engineering interface.
HSC manages engineering review, process matching, sourcing, quality follow-up and delivery, drawing on qualified manufacturing resources across the STI group and partner network.
We review drawings, identify process and quality requirements, build the manufacturing route and coordinate the project from RFQ through delivery.
CNC machining, molding, casting, forging and specialist processes are selected around geometry, material, tolerance, volume and delivery requirements.
Critical dimensions, inspection methods, reports and material or process documentation are defined before production and followed through final release.
Choose the process closest to your part. Our engineering team reviews machine fit, setup strategy, tolerance and inspection requirements before quotation.
3-axis, 4-axis, 3+2 and simultaneous 5-axis machining for prismatic, contoured and multi-surface parts.
Swiss-type, bar-fed and conventional CNC turning for pins, shafts, sleeves, bushings and repeat cylindrical components.
Y-axis, live-tool and sub-spindle routes for parts that combine turning with milled features.
Wire, sinker and small-hole EDM plus grinding for hardened materials, narrow features and post-heat-treatment geometry.
Machining, fixturing, datum strategy and inspection planned together for tight-tolerance or multi-setup parts.
Shaping, hobbing and grinding for external or internal gears and splines, coordinated with material condition, heat treatment and inspection.
Injection molding projects can include mold design, tool build, trials, production, inspection and post-mold operations under one RFQ.
Capabilities include DFM, mold-flow support, multi-cavity tooling, engineering resins, CMM inspection and coordinated assembly operations.
Press selection is matched to projected area, shot weight, mold size and part requirements.
Rapid and production tooling, hot/cold runners, multi-cavity options, maintenance and controlled storage.
ISO 9001 and ISO 13485 production-site options are available for suitable projects; applicability is confirmed with the selected route.
These process descriptions support early planning. Final feasibility is confirmed against the drawing, material, tolerance, quantity and documentation requirements.
| Capability family | Planning guide | Key RFQ checks |
|---|---|---|
| CNC milling | 3-axis, 4-axis, 3+2 and simultaneous 5-axis routes; large-format machining available | Part envelope, axis strategy, tool access, fixture clearance and tolerance. |
| CNC turning & mill-turn | Standard CNC turning, Y-axis/live-tool/sub-spindle mill-turn and Swiss-type routes | Bar capacity, chucking, support method, runout, setup count and batch plan. |
| EDM & grinding | Wire, sinker and small-hole EDM, with grinding available for suitable features | Work envelope, feature depth, surface finish, recast-layer control and reporting. |
| Injection molding & tooling | 128–260T injection molding, toolmaking, overmolding and insert molding | Press selection, mold size, resin, projected area, shot weight, cosmetic standard and tool life. |
| Inspection | CMM, GD&T, roughness, hardness and material-verification routes | Measurement method, calibration, sampling, report format and acceptance criteria. |
| Quality-system support | ISO 9001 and ISO 13485 production-site options for applicable projects | Certificate scope and applicability to the selected manufacturing route and project. |
HSC translates drawing, specification and customer requirements into a project-specific quality plan, then coordinates the selected production partner, inspection resources and required documentation through final release.
Quality requirements are defined with the manufacturing plan rather than checked only at the end. Critical features, acceptance criteria, inspection methods, reporting and traceability are agreed before production starts.
Identify critical dimensions, datums, GD&T, material, cosmetic, functional, compliance and documentation requirements before quotation release.
Match the manufacturing route with suitable production and inspection resources, then confirm control points, equipment and applicable quality-system scope.
Coordinate FAI or sample approval, in-process checks, critical-feature controls and traceability according to project risk and production volume.
Confirm agreed inspection results, required certificates and reports, packaging requirements and final release status before shipment.
Inspection and testing may be performed at the selected production site or through qualified metrology and testing resources, depending on the requirement. HSC coordinates the agreed scope and consolidates the required quality records for the project.
Review die casting, specialty polymer casting and forging options, including downstream machining, finishing and inspection.
The dedicated process page explains route selection, typical applications, machining integration and RFQ requirements for cast and forged parts.
HSC coordinates secondary processing around CNC machining, molding, casting, forging and other primary routes so finish, function, inspection, assembly and delivery requirements stay aligned under one project interface.
Deburring, edge break, polishing, tumbling and drawing-specified edge conditions coordinated to protect functional and cosmetic requirements.
Anodizing, plating, passivation, blasting, painting, coating and other specified surface treatments matched to material and application.
Quenching, tempering, aging, stress relief, carburizing, nitriding and other specified treatments coordinated with downstream dimensional requirements.
Thread inserts, press-fit hardware, bushings, pins and other simple mechanical integration can be included where required by the assembly.
Laser marking, engraving, labels, serialization and customer-defined identification coordinated with drawing and traceability requirements.
Simple assembly, kitting, protective packaging, part separation and export-ready preparation can be integrated into the delivery plan.
HSC coordinates handoffs between the selected production, finishing, treatment, assembly and inspection resources, helping keep revision status, critical surfaces, masking requirements, acceptance criteria and documentation consistent from the primary process through shipment.
Available secondary operations depend on material, specification, part geometry, order volume and the selected manufacturing route. Required finishes, standards, certificates, masking zones and cosmetic criteria should be included in the RFQ for confirmation.
Upload CAD, 2D drawings, material, quantity, tolerance, finish and inspection requirements. Our engineering team will review the project and recommend a suitable manufacturing route, quality plan and lead-time approach.
HSC coordinates casting and forging programs through qualified manufacturing partners, with process selection, tooling, secondary machining, heat treatment, inspection and delivery managed through one project interface.
From process selection to production delivery, HSC manages the complete manufacturing route.
HSC reviews the drawing, material, mechanical targets, annual demand and downstream requirements first, then matches the project to the appropriate casting or forging route and qualified production partner.
Instead of forcing every project into one production site, HSC coordinates the manufacturing route around the technical and commercial requirements of the part.
Geometry, material, load path, tolerance, surface requirements and quantity are reviewed before the process is fixed.
The foundry, casting specialist or forge shop is selected according to the required process, tooling, production scale and quality scope.
Machining, heat treatment, finishing, inspection, documentation and packaging can be managed within the same project scope.
Repeat non-ferrous production where dedicated tooling, cycle efficiency and near-net geometry support the program economics.
Low-volume urethane, silicone and vacuum-casting routes for prototypes, bridge production and selected flexible applications.
Forging routes for structural and repeat-production components where material flow and mechanical performance are key design drivers.
Coordinate the primary forming process with the downstream operations required to release a finished part.
These routes share the word “casting,” but their materials, tooling logic, volumes and performance expectations are different. HSC confirms the correct route before quotation release.
A production route for repeat non-ferrous parts where dedicated tooling is justified by volume, repeatability and cycle efficiency.
A practical replication route for prototypes and bridge-production parts that need production-like appearance without hard production tooling.
For selected flexible, soft-touch, sealing or prototype applications where silicone behavior is more important than rigid structural strength.
A low-volume route commonly used to replicate master patterns in polyurethane-like materials for design validation, market testing and bridge production.
Tooling, billet condition, heat treatment, machining allowance and final inspection are planned together because each affects the finished component.
Metal is formed at elevated temperature to support substantial deformation and robust mechanical performance for industrial components.
A lower-temperature forming route for selected parts where material flow, repeatability and surface condition can justify dedicated tooling.
A higher-control forging approach intended to bring the blank closer to final geometry and reduce machining stock when program economics support it.
HSC can coordinate a forging-only scope or a broader package including heat treatment, CNC machining, surface preparation, inspection and delivery-ready packaging.
Use this as an early planning guide. Final selection depends on part geometry, alloy, load path, mechanical targets, tolerance, tooling economics and annual demand.
Specialty polymer casting is intentionally excluded from this table because it serves a different low-volume replication use case.
| Decision factor | Die Casting | Forging |
|---|---|---|
| Geometry | Strong for thin walls, integrated features and near-net non-ferrous shapes where die access allows. | Strong for structural forms that can follow material flow and be finish-machined where needed. |
| Mechanical performance | Alloy- and process-dependent; suitable for many structural and enclosure applications. | Often preferred when strength, fatigue resistance or impact performance is a dominant requirement. |
| Material profile | Commonly non-ferrous alloys such as aluminum or zinc for suitable programs. | Commonly carbon, alloy, stainless and other forgeable metals depending on the application. |
| Tooling economics | Dedicated die investment is typically justified by repeat volume and part complexity. | Closed-die and precision forging can also require significant tooling commitment. |
| Downstream work | Machining, deburring, coating and inspection as required. | Heat treatment, blasting, straightening, machining and inspection as required. |
| Best starting question | Does near-net geometry and repeat production justify die tooling? | Do mechanical performance and material flow justify a forged blank? |
HSC can include downstream processes in the same RFQ so machining datums, heat-treatment effects, surface requirements and inspection criteria are considered from the beginning.
Quality planning starts with the drawing and application. The selected production site and inspection resources are confirmed before the project is released.
Where required, the project can include material traceability, first-article inspection, dimensional reporting, mechanical-property evidence and non-destructive testing.
HSC remains the coordination point while the responsible manufacturing partner performs the actual casting, forging and agreed secondary operations.
Review geometry, material, quantity, mechanical targets, tolerances, finish, inspection and delivery requirements.
Select the appropriate casting or forging process and match the project to a qualified production partner with the required tooling and inspection capability.
Coordinate tooling, first samples or FAI, dimensional results, corrective actions and customer approval before repeat production where applicable.
Follow production status, quality records, secondary operations, packaging, documentation and shipment through one HSC project channel.
A complete technical package allows HSC to compare process routes and production partners more accurately.
Send the drawing and application requirements. HSC can compare suitable casting or forging routes based on geometry, material, quantity, mechanical targets and downstream operations.
Yes. The RFQ can cover blank production together with CNC machining, heat treatment, finishing, inspection, assembly and packaging where required.
HSC matches the project to a qualified foundry, specialty casting partner or forge shop according to process fit, equipment, tooling, quality scope, volume and delivery requirements.
Material certificates, dimensional reports, hardness or property evidence and applicable NDT can be included when specified and confirmed with the selected production site.
Upload CAD, 2D drawings, material, quantity, mechanical requirements, tolerance, finish and inspection scope. HSC will review the project and coordinate the quotation with the appropriate manufacturing partner.
CNC milling, turning, mill-turn, EDM and precision inspection for prototypes, low-volume parts and repeat production.
From prototype and first article through repeat production, process, equipment and inspection are matched to part geometry and drawing requirements.
Supported routes include multi-axis milling, turning, mill-turn, EDM, grinding and CMM inspection.
Our engineering team reviews machine envelope, datum strategy, tool access, material, tolerance, quantity, finishing and inspection before the production route is released.
Multi-axis and large-format machining routes are selected around part geometry, workholding, tool access and critical features.
Standard turning, Swiss-type and live-tool mill-turn routes are matched to rotational geometry and setup requirements.
CMM and other measurement methods are selected around drawing datums, critical dimensions and reporting needs.
For prismatic, contoured and multi-surface parts.
For shafts, sleeves, flanges and complex rotational parts.
For hardened materials, narrow features, deep holes and post-heat-treatment geometry.
For drawing-led verification and customer documentation.
For datum-critical features, thin walls, complex relationships and parts requiring controlled setups.
Production planning scales from one-off and first-article work to repeat batches.
Use this table to understand what engineering confirms before production.
| Process | Planning guide | Key engineering checks |
|---|---|---|
| Simultaneous 5-axis | Multi-surface and contoured machining with simultaneous 5-axis routes | Part envelope, fixture, tool reach, rotary-axis limits and tolerance. |
| Large 4-axis milling | Large-format indexed machining for suitable prismatic and multi-face parts | Usable travel, clamping, index strategy and machine availability. |
| Turning & mill-turn | Standard turning, Swiss-type and live-tool/sub-spindle routes | Chucking, support, bore or bar feed, runout and setup plan. |
| EDM & grinding | Wire, sinker and small-hole EDM with grinding routes for suitable features | EDM type, feature access, surface requirement, recast control and reporting. |
| Inspection | CMM and complementary measurement methods selected to match the drawing | Calibration, feature access, probing strategy, sampling and report template. |
| RFQ & lead time | Initial RFQ response is typically 1–2 working days; production lead time is project-specific | Complexity, material, finish, inspection, priority and current production loading. |
Common grades are sourced to drawing requirements. Material certificates and additional verification can be included when specified.
Surface treatment, heat treatment, marking, inserts, assembly and packaging can be coordinated with machining and inspection.
Standard edge break, deburring and drawing-specified edge condition.
Matte cosmetic treatment with grit and appearance confirmed by sample or drawing.
Clear, color and hard anodizing for compatible aluminum alloys.
Nickel, zinc and other plating options with thickness requirements by RFQ.
Quenching, tempering, aging, stress relief, carburizing or nitriding by requirement.
Laser marking, thread inserts, simple assembly and custom packaging.
Measurement methods, sampling, reporting and acceptance criteria are defined before production.
Material verification, first article, in-process checks and final inspection are combined according to part risk and customer documentation requirements.
A simple four-stage path keeps engineering, production and documentation aligned.
STEP, IGES, X_T, SLDPRT, STL, PDF, DWG and DXF are supported.
Review material, tolerance, machining access, setup strategy, finishing and inspection requirements.
First article and in-process checks are applied according to part risk and production plan.
Final inspection, reporting, packaging and export documents are completed as specified.
Examples below show common part families; final process selection is based on the drawing, material, volume and inspection requirements.
Frames, brackets, end-effectors, shafts, housings and precision interfaces.
Instrument components, fixtures, enclosures and controlled mechanical parts.
Heat sinks, mounts, enclosures, carriers and alignment components.
Wear parts, manifolds, adapters, tooling and replacement components.
Jigs, fixtures, checking aids and assembly tooling.
Drawing-led components requiring multiple processes and structured inspection.
Yes, but a 2D drawing is recommended whenever the part includes tight tolerances, GD&T, threads, surface finish, cosmetic requirements or inspection reporting.
No single production route is assumed. HSC coordinates the required machining and specialist operations through qualified manufacturing resources, with the proposed route and responsibilities defined in the quotation.
Yes. Standard dimensional reports, customer templates and CMM reports can be provided when specified. Reporting scope and format are defined during quotation.
Prototypes, low-volume and repeat-production orders are supported. Commercial fit depends on setup, process complexity, order value and documentation requirements.
Material certificates, CoC, RoHS/REACH declarations, heat-treatment reports and surface-treatment reports can be arranged according to project requirements and the selected material and process route.
Use the process pages for deeper guidance on geometry, materials, tolerances and inspection requirements.
Share 3D CAD, 2D drawings, material, quantity, tolerance, finishing and inspection requirements. Initial RFQ response is typically within 1–2 working days; complex projects may require additional engineering review.
3-axis, indexed multi-face and simultaneous 5-axis milling for housings, plates, brackets and complex prismatic components.
Machine route, fixture strategy and inspection plan are selected around part geometry, material, tolerance, volume and critical features.
Machining routes cover general precision work, multi-face parts, larger structures and contoured geometry. The selected machine and fixture plan are defined after drawing review.
Efficient machining for plates, housings, fixtures and other prismatic components.
Indexed 4-axis and 3+2 strategies reduce refixturing and help control relationships between features on multiple faces.
A practical route for larger housings, structural components and indexed features.
Continuous multi-axis machining for complex contours, compound angles and multi-datum geometry.
These values are planning references for early DFM. Material, feature depth, tool access, fixture stability and tolerance determine the final manufacturing approach.
| Feature | Planning guide | Notes |
|---|---|---|
| Minimum stable feature | 0.5 mm | Feature type, aspect ratio and local stiffness affect stability. |
| Minimum metal wall | 0.8 mm | Wall height, material and clamping may require additional thickness. |
| Minimum plastic wall | 3 mm | Material movement, wall height and workholding are reviewed. |
| Small drilled / EDM hole | By review | Diameter, depth, material and access determine the drilling or EDM route. |
| Deep-hole ratio | Up to 25×D by review | Tooling, coolant delivery, chip evacuation and straightness requirements are considered. |
| Minimum thread | M1.6 | Material, engagement length and inspection method are reviewed. |
| Best surface roughness | Ra 0.8 µm by review | Material, toolpath, cutter condition and feature access apply. |
Exact grade, temper, hardness and mill certificate requirements should be stated in the RFQ.
Masking, coating thickness, color standard, roughness, edge requirements and inspection method should be defined before production.
Visible tool marks with edge break or drawing-specified sharp edges.
Uniform matte appearance for compatible metals.
Clear, colored or hard anodized aluminum.
Nickel, zinc, chromate and project-specific plating.
Cosmetic polishing, mirror polishing or brushing to drawing or approved appearance standard.
Laser engraving, thread inserts and simple assembly.
For multi-axis parts, fixture strategy, in-process checks and final inspection should follow the drawing datum structure.
Alignment, coordinate setting and process checks on selected machines.
CMM measurement matched to part size, datum structure and reporting requirements.
Toolpath, cutting load, workholding and thermal effects are reviewed to reduce distortion.
FAI, dimensional and CMM reports can be defined in the RFQ; applicable quality-system scope is verified for the selected production route.
These examples help with early process selection. Final feasibility is based on drawing geometry, material, quantity, tolerance and inspection requirements.
Machined bodies, covers, electronic enclosures and instrument housings.
Mounts, frames, supports and multi-face mechanical components.
Production fixtures, inspection fixtures and assembly tooling.
Ported blocks, valve bodies and controlled sealing surfaces.
Base plates, optical plates, interface plates and datum-critical components.
Multi-surface parts suited to 3+2, 4-axis or simultaneous 5-axis machining.
Yes. Simultaneous 5-axis, 3+2 and indexed 4-axis machining options are available. The selected route and usable work envelope are confirmed from the drawing and fixture plan.
Yes. Thin-wall experience is available, but the achievable wall thickness depends on material, wall height, geometry, heat input, fixture design and tolerance.
Yes, subject to tool access and aspect ratio. Deep cavities or narrow features may require specialist tooling or an alternative process such as EDM, which can be identified during DFM review.
Provide CAD, a 2D drawing, material and grade, quantity, critical tolerances, GD&T, threads, surface roughness, finish, inspection report requirements and packaging needs.
Reference samples, approved comparison photos or color standards can be used to define cosmetic expectations. Availability of physical finish samples depends on the finish and project requirements.
Choose the process page closest to your drawing, geometry and inspection requirements.
Share 3D CAD, 2D drawings, material, quantity, critical tolerances, finish and inspection requirements. We’ll review the machining route, key DFM risks and quotation scope.
CNC turning, mill-turn and Swiss-type machining for shafts, sleeves, flanges and rotational parts with secondary milled features.
Machine, workholding, support method and inspection plan are selected around part geometry, length-to-diameter ratio, tolerance and batch size.
The process route is selected from diameter, length-to-diameter ratio, secondary features, batch size, datum relationships and surface requirements.
These planning references depend on the selected lathe, workholding, support method, material, feature geometry and inspection requirements.
| Characteristic | Planning guide | RFQ note |
|---|---|---|
| Maximum diameter / length | Range confirmed per project | Based on selected machine, chucking, tailstock or steady-rest support and feature access. |
| Maximum bar capacity | 80 mm | Applies to selected bar-fed routes; actual capacity depends on machine, material and stock form. |
| Minimum turned diameter | 4 mm | Swiss-type turning can be considered for smaller diameters where appropriate. |
| Minimum bore | 0.8 mm | Depth, tool access, material and concentricity requirements apply. |
| Roundness / cylindricity | 0.003 mm best-case by review | Part size, support strategy and measurement method must be aligned. |
| Standard tolerance | ±0.01 mm by review | Feature size, geometry, material and production volume apply. |
| Best surface roughness | Ra 0.8 µm | Material, cutting conditions and feature location affect the result. |
For bar-fed work, include stock form, diameter, straightness, material condition and certificate requirements.
Turned and live-tooled surfaces can show different tool-mark patterns. Identify sealing, bearing and cosmetic areas on the drawing so finishing and protection can be planned correctly.
Smooth cylindrical surfaces with controlled edge condition.
Fine matte finish for compatible metal parts.
Clear, colored or hard anodizing for aluminum.
Nickel, zinc and other drawing-specified plating.
Hardening, aging, stress relief or other specified cycles.
Knurling, laser marking, thread inserts and assembly.
Inspection is selected around concentricity, runout, roundness, threads, bearing fits and datum relationships.
Micrometers, bore measurement, gauges and CMM inspection selected to suit the tolerance and feature size.
Datum strategy and inspection setup aligned before production.
Go/no-go, ring or plug gauges and customer-specific thread requirements.
First-article, in-process and batch inspection reporting by agreed scope.
These examples help with early process selection. Final feasibility is based on drawing geometry, material, quantity, tolerance and inspection requirements.
Stepped shafts, locating pins, drive features and rotational components.
Controlled bores, outside diameters, shoulders and bearing interfaces.
Face-controlled parts with bolt patterns, ports or secondary milled features.
Repeat-production cylindrical components with controlled lengths and diameters.
Internal and external threads combined with grooves, bores and sealing features.
Cylindrical parts requiring flats, cross-holes, slots or off-axis features.
Use mill-turn when a rotational part also includes radial or axial holes, flats, slots, key features or other milled geometry. Completing these features in fewer setups can improve datum continuity.
Yes. Swiss-type turning is available for suitable small-diameter, slender and bar-fed parts. Bar size, length-to-diameter ratio, live-tool needs and production quantity are reviewed from the drawing.
Yes, where the workholding and support strategy can maintain stability. Length-to-diameter ratio, material, straightness, runout and surface finish are reviewed together.
Yes. Straight, diamond, diagonal and custom knurling can be reviewed. Specify pattern, pitch, diameter and cosmetic acceptance criteria.
The method depends on the drawing datum and tolerance. Gauges, indicators and CMM inspection can be used, with reporting scope agreed before production.
Choose the process page closest to your drawing, geometry and inspection requirements.
Share 3D CAD, 2D drawings, material, quantity, critical tolerances, threads, finish and inspection requirements. We’ll review the turning route, workholding strategy and quotation scope.
SINO-TURK Innovation (STI) is the group platform behind 18 years of manufacturing project experience. Hangzhou Sino-Turk Supply Chain (HSC), an STI supply-chain subsidiary, serves as the customer-facing project interface — coordinating engineering review, partner selection, quality follow-up and delivery. Production is carried out by qualified manufacturing partners selected for each project.
HSC is not tied to one production site or one manufacturing process. Each project is assessed individually — by geometry, material, tolerance, volume, quality requirements and delivery timeline — then matched to the most appropriate qualified manufacturing partner and production route.
Backed by 18 years of manufacturing project experience and technical resources spanning 200 engineers, HSC coordinates each project from drawing validation and process planning through partner selection, quality follow-up and delivery.
STI has grown from early manufacturing project experience into an international engineering and manufacturing coordination network. Today, Hangzhou Sino-Turk Supply Chain (HSC) serves as STI's supply-chain subsidiary and customer-facing project interface, coordinating qualified production partners, technical requirements, quality follow-up and delivery for global customers.
Experience across diverse industrial applications helps the team identify manufacturing risks early, evaluate realistic process alternatives and balance quality, cost, lead time and scalability — from the first drawing through repeat supply.
STI's technical resources span 200 engineers across engineering, process, quality and production-support functions. HSC gives the customer one project interface for DFM, process planning, partner matching, inspection planning, sampling, production coordination and delivery follow-up.
Review manufacturability, process logic, tooling, datum strategy and key production risks.
Assess material options and compare suitable manufacturing routes against the project requirements.
Match each project to an appropriate qualified manufacturing partner, production site and process route.
Define critical dimensions, inspection method, reports and quality documentation before production.
Coordinate samples, first-article feedback, corrective actions and approval before repeat production.
Coordinate production timing, communication, documentation, packing and delivery follow-up.
The customer works through one HSC technical and commercial coordination channel. HSC reviews the requirements, selects and coordinates the responsible qualified manufacturing partner, aligns inspection and downstream operations, and follows the project through delivery.
Review the drawing, material, tolerance, quantity, application and critical quality requirements.
Select the right specialized manufacturing partner and production route for the project.
Coordinate sampling, inspection, quality documentation, production follow-up and corrective actions.
Keep communication, documents and delivery coordination streamlined through one HSC project contact.
Customers gain access to diversified manufacturing capabilities without having to manage multiple factories and communication channels independently.
HSC coordinates specialized manufacturing routes according to the drawing, material, tolerance, volume and quality requirements, with the responsible production partner confirmed during quotation and project review.
Milling, turning, mill-turn and precision machining routes for complex mechanical parts.
02DFM, tooling, mold trials, molding and coordinated post-mold operations.
03Process selection based on geometry, material, mechanical performance, tooling and demand.
04Gear shaping, hobbing and grinding routes coordinated around gear geometry and finishing needs.
05Specialist EDM and grinding resources for features and tolerances that require dedicated processes.
06Heat treatment, finishing, assembly, packaging and other project-specific downstream operations.
Whether the requirement is a prototype, small batch, tooling program or long-term repeat order, HSC keeps the selected process, production partner and quality plan aligned as the project scales.
Validate geometry, process fit, material assumptions and key quality risks.
Confirm repeatability, inspection logic, documentation and production communication.
Align tooling, capacity, downstream operations and delivery planning for higher demand.
Maintain a controlled route for production, quality follow-up and repeat-order execution.
From RFQ to final shipment, HSC coordinates the responsible production partners, inspection requirements, downstream operations, documentation and delivery so customers can manage a complex manufacturing program through one project interface.
Send HSC your CAD files, drawings, material requirements, quantities and critical quality expectations. The team will review the project, identify the suitable production route and coordinate the appropriate manufacturing partner.
CAD files, drawings and technical data follow a controlled project flow from initial review through production and delivery.
Drawing packages, 3D models, specifications and production files are handled according to the requirements of the RFQ, NDA and manufacturing scope.
Technical information is provided to the people and production resources needed to review, manufacture and verify the project.
| Stage | What happens | Buyer benefit |
|---|---|---|
| Before upload | Buyer can request NDA discussion for sensitive drawings or proprietary product structures. | Extra reassurance before sharing complete files. |
| RFQ review | CAD, 2D drawings and notes are reviewed for process, material, tolerance, finish and quantity assumptions. | Quote feedback is based on real engineering requirements. |
| Supplier coordination | Only necessary production information is shared with relevant manufacturing or finishing partners. | Project exposure is limited to the production need. |
| Order completion | Records, quality reports and file retention practices can be aligned with buyer requirements. | Supports audit, repeat orders and post-delivery control. |
Project access, document distribution and record handling are defined according to the RFQ, NDA and production requirements.
Upload CAD files through the quote path and include confidentiality notes when required.
HSC coordinates manufacturability review while limiting project data to the relevant review team.
Manufacturing information is distributed only as needed for machining, molding, casting, forging, sheet metal or finishing work.
Quality documents, packing photos and order records can follow project-specific document requirements.
For proprietary designs, customer-owned drawings, new product development or other sensitive projects, contact HSC first so NDA and file-sharing requirements can be reviewed.
Wire, sinker and small-hole EDM for hardened conductive materials, narrow features, complex cavities and geometry that conventional cutting tools cannot easily reach.
EDM route, access, flushing, cut strategy and inspection are defined from material, feature geometry, tolerance and surface-integrity requirements.
EDM is suited to electrically conductive materials when conventional machining is limited by hardness, access, corner geometry or feature depth.
EDM performance depends on material conductivity, thickness, flushing, electrode or wire access, accuracy and surface-integrity requirements.
| Characteristic | Planning guide | Notes |
|---|---|---|
| Maximum thickness | Machine-specific | Wire EDM route depends on threading, flushing and workpiece setup. |
| Small-hole diameter | Project-specific | Electrode tube, depth, material and flushing determine the practical range. |
| Small-hole depth ratio | Project-specific | Diameter, depth, straightness, material and flushing are reviewed together. |
| Standard tolerance | ±0.01 mm | Tighter features may require multiple passes, stable setup and agreed inspection method. |
| Best surface roughness | Ra 0.8 µm by review | Finish depends on pass count, material, thickness and surface-integrity requirements. |
| Material condition | Hardened conductive materials supported | Hardness is not the primary EDM limitation; conductivity, thickness, geometry and surface integrity drive process selection. |
EDM is suitable for electrically conductive materials. Include heat-treatment state and surface-integrity requirements in the drawing.
Inspection can combine CMM, optical measurement, roughness testing and project-specific evaluation for critical EDM features.
CMM and optical routes for cut profiles and feature relationships.
Diameter, position, depth and breakthrough condition by requirement.
Ra measurement and pass strategy confirmed before production.
Recast / white-layer requirements, removal method and acceptance criteria defined when critical to the application.
Internal or external contours, slots and narrow relief features.
Features requiring small electrodes and high depth-to-diameter ratio.
Machine after heat treatment to reduce distortion risk.
Electrode-formed internal geometry.
Provide 3D CAD, a dimensioned 2D drawing, material and hardness, quantity, required tolerance, surface roughness, taper, electrode/wire access and any recast-layer requirement.
Yes. EDM is well suited to hardened electrically conductive materials because material hardness is not the same limitation it is in conventional cutting. Grade, thickness, geometry and surface requirements are still reviewed.
Yes, suitable titanium and conductive carbide / tungsten-carbide grades can be reviewed. Material grade, thickness, feature geometry and surface-integrity requirements should be included in the RFQ.
Multiple cuts or skim passes can improve accuracy and surface finish, but increase cycle time and cost.
Yes, when the requirement is specified. Cut strategy, maximum acceptable recast layer, removal method and any secondary finishing or validation are defined before production.
Choose the process page closest to your drawing, geometry and inspection requirements.
Share 3D CAD, a dimensioned 2D drawing, material and hardness condition, quantity, tolerance, surface finish, access and any recast-layer requirements. We’ll review EDM route and inspection scope.
Gear shaping, hobbing and grinding are planned together with blank machining, heat treatment and gear inspection to match tooth geometry, material condition, accuracy requirements and production volume.
The manufacturing route and inspection plan are defined from the gear drawing, material, heat-treatment condition, quantity and required tooth accuracy.
Shaping and hobbing create the tooth form; grinding is introduced when hard finishing, tighter flank control or post-heat-treatment correction is required.
For internal gears, splines and tooth forms where cutter access or nearby shoulders limit other generating methods.
A productive route for external spur and helical gears, pinions and repeat-production gear families.
Hard finishing for tighter tooth accuracy, flank geometry, surface quality and post-heat-treatment correction.
Gear shaping is well suited to internal gears, external gears, splines and features positioned close to shoulders or inside recessed diameters. Process planning starts with cutter clearance, datum structure, blank condition, material and the required tooth accuracy.
Flexible cutter motion makes shaping useful for tooth forms that are difficult to access with a hob, especially internal geometry and shoulder-adjacent features.
Cutter and stroke clearance, workholding, blank runout, heat-treatment allowance and the final inspection method are reviewed before release.
Hobbing is typically preferred when the geometry allows continuous generating cutting of external teeth. It provides an efficient route for pinions, gear blanks and repeat-production families while maintaining consistent tooth geometry from part to part.
Continuous generating action supports high productivity and repeatable tooth generation for many external gear families.
Hob approach and overrun, blank concentricity, datum runout, cutting allowance and any post-heat-treatment finishing are planned together.
Gear grinding is typically used after heat treatment to correct distortion and achieve the final tooth geometry and surface requirements. Generating or profile grinding routes are selected around gear geometry, accuracy targets, stock allowance and specified flank modifications.
Provides final tooth correction after heat treatment and supports tighter functional flank accuracy for demanding gear applications.
Grinding stock, heat-treatment distortion, datum relationships, flank modifications and required measurement reporting are defined before finishing.
Use this comparison for early process planning. Final selection depends on tooth geometry, cutter access, material condition, heat treatment, target accuracy and production volume.
| Decision factor | Gear Shaping | Gear Hobbing | Gear Grinding |
|---|---|---|---|
| Primary role | Tooth generation for internal / external gears and splines. | Efficient external gear tooth generation. | Final hard finishing and tooth-form correction. |
| Internal gears | Strong fit. | Not normally used for internal teeth. | Specialized and geometry-dependent. |
| External spur / helical gears | Suitable where geometry and cutter access favor shaping. | Common production route. | Common after heat treatment when tighter final accuracy is required. |
| Production profile | Flexible from prototype through repeat production. | Strong productivity for repeat batches and gear families. | Added when final performance requires hard finishing. |
| Typical process position | Tooth generation before final hard finishing where required. | Usually tooth generation before heat treatment. | Typically after heat treatment. |
| Key engineering question | Can the cutter and stroke clear the surrounding geometry? | Does the blank and tooth geometry allow productive hob access? | What final flank accuracy and correction are required after heat treatment? |
Material and heat treatment are planned with the tooth-cutting and finishing route because hardness, distortion and stock allowance affect final gear accuracy.
Inspection is built around drawing datums, tooth geometry and the functional risk of the gear.
Gear production can be coordinated from machined blank through heat treatment, hard finishing and final inspection.
Include gear type, module or DP, pressure angle, tooth count, helix angle, material, heat-treatment condition, accuracy requirement, quantity and inspection needs.
CNC machining, molding, casting, forging and supporting processes matched to your drawing, material, tolerance, volume and quality requirements.
From CNC machining and molding to casting, forging, finishing and inspection, HSC coordinates the manufacturing route around the requirements of each part.
Multi-axis milling, precision turning, mill-turn, EDM and grinding for complex metal and plastic components.
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Casting and forging routes selected around geometry, material, strength, volume and downstream machining requirements.
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Inspection planning, CMM measurement, material documentation and quality reporting matched to drawing requirements.
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Surface finishing, heat treatment, inserts, assembly, marking, kitting and packaging coordinated with primary production.
Explore →A clear project flow from initial files and engineering review through production and quality control.
Share 3D CAD, 2D drawings and your material, quantity and quality requirements.
We review manufacturability, process options, tolerances, materials and potential production risks.
Receive pricing, lead time, process recommendations and the proposed manufacturing route.
Move from prototype or first article into repeat production with inspection and delivery coordination.
Experience across precision components for aerospace, automotive, robotics and other engineered products.
Lightweight structures, precision interfaces and complex machined components.
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Prototype, tooling and production components for vehicle and mobility applications.
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Complex cavities, precision bores, controlled datums and multi-face machining for functional assemblies.
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Lightweight structures with controlled mounting interfaces, critical features and inspection requirements.
View precision manufacturing →Commonly supported metals, engineering plastics and elastomers cover applications from precision machining to molding, casting and forging.
Aluminum, stainless steel, carbon and alloy steels, brass, copper and titanium.
Open metals guide →ABS, PC, POM, Nylon, PMMA, PP, PE, TPU, TPE and silicone for machined and molded components.
Use comparison filter →Hangzhou Sino-Turk Supply Chain (HSC), the supply-chain company within SINO-TURK Innovation (STI), manages sourcing, engineering coordination, quality follow-up and delivery across qualified manufacturing resources.
Use our guides to prepare RFQs, compare processes, select materials and define inspection requirements.
Checklist for wall thickness, corner radii, undercuts and tolerances.
Read guide →A practical overview of milling, turning, EDM and inspection planning.
Watch →Request the current capability summary and relevant qualification documents from our team.
Request documents →Share your CAD files, drawings, material, quantity, tolerance, finish and inspection requirements. Our team will review the project and recommend a suitable manufacturing route.
Three manufacturing case studies showing how HSC coordinates specialized production resources, process controls and quality evidence for different engineering requirements.
These three projects show how one HSC project interface can coordinate different materials, manufacturing routes, quality frameworks and production priorities through qualified production resources.
Flight-critical titanium fitting on a composite airframe interface.
High-volume helical gear for transmission and EV reducer applications.
Precision rotary actuator components for robot joint systems.
HSC coordinated the manufacturing program for a load-bearing hinge fitting that transfers actuator load into a composite airframe structure. The project combined titanium machining, CFRP interface control, hybrid stack holes and aerospace documentation requirements.
The challenge is not only machining a titanium part, but keeping geometry, laminate condition, hole quality, surface integrity and traceability controlled together.
Multiple datum-referenced GD&T callouts had to remain aligned across a flight-critical interface.
Deep pockets, thin load-path walls and fatigue-sensitive radii created distortion risk.
CFRP interface machining required laminate-safe processing instead of ordinary metal-drilling practice.
Titanium + CFRP stack holes had to remain accurate while protecting composite exit condition.
Bond and seal surfaces needed controlled roughness and undamaged edges.
Every part needed dimensional evidence and documentation integrity.
Titanium mill certs and composite batch identity confirmed before release.
Datum scheme, fillets, hole stack sequence and tool access reviewed.
Rigid fixturing and in-process probing controlled titanium geometry.
Stability checks after roughing and post-stress-relief operations.
Dedicated composite tooling, dust extraction and backup support.
Geometry verification, laminate checks and FAI documentation.
HSC coordinated titanium machining, composite processing and inspection around one project control plan. Material-specific operations were separated to reduce cross-contamination and FOD risk while datum, tooling and FAI requirements remained aligned.
Production parts met positional and profile requirements without dimensional rejection. Composite holes and trim edges passed laminate criteria, and each shipment included complete traceability documentation.
This program shows how high-volume gear production was coordinated around stable series accuracy, heat-treatment distortion control, NVH performance and PPAP discipline — not simply one successful sample.
Automotive gears are judged by production stability. The program required tooth geometry, heat-treatment movement, metallurgy, inspection and launch documentation to remain controlled as one manufacturing system.
Series output had to maintain the agreed gear accuracy grade over large quantities.
Tooth geometry movement after carburizing and hardening had to be anticipated before grinding.
Contact pattern and surface condition directly affected gear whine.
Metallurgical quality was as critical as tooth geometry.
Surface integrity needed protection against burn, tensile stress and early pitting.
Launch documentation and post-SOP change control had to remain locked.
Base geometry and controlled references prepared.
Tooth geometry generated with pre-planned stock.
Assembly surfaces and edge condition controlled.
Metallurgical process window applied.
Profile, lead and surface characteristics finished.
Gear charts, contact pattern and hardness verified.
HSC aligned the gear manufacturing partner, heat-treatment route, grinding stock and inspection plan so heat-treatment movement was treated as a planned process input rather than a downstream defect.
Series gears held the agreed accuracy grade with stable contact pattern. NVH performance remained within specification, and the shortened grind cycle improved cost efficiency.
In robotic actuation, low backlash and repeatable motion are determined by the full mechanical stack — not by one isolated part tolerance.
The true challenge is whether bores, bearing seats, gear axes and mounting faces remain controlled as one motion system.
The actuator is judged by lost motion at the output, not by whether each part is individually in tolerance.
Lightweight housing geometry created deformation risk affecting motion quality.
Motor, bearing, gear center and encoder faces needed one controlled datum logic.
Planetary, cycloidal or wave-generator elements depend on precise profile and position.
Assembly-ready surfaces were essential for preload, sealing and cleanliness.
Actuator performance had to remain interchangeable from lot to lot.
Housing and output flange features finished from controlled datums.
Shaft and rotating interfaces produced with controlled geometry.
Profile, position and thickness held on internal elements.
Bearing and seal seats protected from burrs and chips.
Critical rotating stack match-checked before release.
Bore position, runout, stack concentricity and assembly readiness verified.
HSC coordinated housing, shaft and gear-component production around one datum and validation strategy. The actuator envelope and load path remained unchanged while bearing-seat access, fillet stiffness and datum definition were optimized for stable manufacture and repeat orders.
Production lots maintained flange and bore concentricity without rework. No seal-seat or chip-related assembly rejects were reported, and repeat orders used the same fixture and inspection baseline.
Share drawings, material requirements, quality expectations and production targets. HSC will review the project, match suitable manufacturing resources within the STI network, and coordinate quality and delivery through one project interface.
Share CAD files, drawings or early-stage requirements. HSC coordinates engineering review, process selection, quotation, production, quality and delivery across STI Group manufacturing resources and qualified partners.
When CAD files, 2D drawings or reference photos are available, HSC reviews geometry, material, tolerance, volume and process risks before quotation.
For prototypes, bridge production and repeat orders, HSC reviews the project and confirms the proposed process route, commercial assumptions and quality scope.
Share drawings, quantity, material, tolerance, finish and application requirements.
We review manufacturability, critical features, process options and potential production risks.
Receive pricing, lead time and the proposed production, inspection and documentation approach.
Move from prototype or first article into repeat production with quality and delivery coordination.
Use this route when the manufacturing process is unclear, tolerances are critical, the project combines multiple processes, or you want to discuss confidentiality before sharing complete files.
We can review process direction, critical requirements and confidentiality needs first, then confirm the best way to proceed with your RFQ.
HSC helps translate mechanical, environmental, cosmetic and compliance requirements into a practical material-and-process route, then coordinates the selected manufacturing partner around the approved grade, documentation and quality requirements.
The list below is a practical starting point for RFQ planning. Exact grade, temper, reinforcement, form and source are confirmed against the drawing and selected production route.
CFRP, GFRP, epoxy-based laminates, thermoplastic composites and hybrid structures for applications where stiffness-to-weight, corrosion resistance or tailored performance matters.
Aluminum, stainless steel, carbon/alloy steel, brass, copper and titanium across CNC machining, EDM, casting, forging and related secondary processes.
ABS, PC, POM/acetal, PA/Nylon, PBT, PMMA, PP, PE and selected high-performance polymers for machined, molded and assembled components.
Silicone / LSR and TPU / TPE options for flexible, sealing, soft-touch, impact-absorbing and wear-resistant components, subject to exact grade and process review.
HSC reviews material selection together with geometry, process capability and end-use conditions so the proposed route is technically and commercially realistic.
Static load, fatigue, impact, wear, stiffness, friction and required safety margin.
Temperature, chemicals, corrosion, UV, moisture, electrical or thermal requirements.
Machinability, moldability, castability, forgeability, stock form, wall section and production volume.
Exact grade, certificate scope, traceability, special-process records and customer-specific requirements.
Use these cards for early route selection only. Final material suitability depends on the exact grade, condition, geometry, process and service environment.
Lightweight, machinable and widely used for housings, brackets, plates and structural components.
Corrosion-resistant material family for precision mechanical, structural and harsh-environment components.
Broad strength, toughness and heat-treatment options for shafts, gears, tooling and load-bearing parts.
Good machinability and corrosion behavior for fittings, bushings, connectors and precision turned parts.
Selected where electrical or thermal conductivity is important, including terminals and heat-transfer components.
High strength-to-weight and corrosion resistance for demanding structural and precision applications.
General engineering plastic for housings, prototypes and molded components where balanced cost and appearance matter.
Impact-resistant engineering plastic used for covers, housings and functional components, including transparent grades.
Low-friction, dimensionally stable engineering plastic for gears, bushings, guides and sliding mechanical parts.
Tough, wear-resistant family for gears, rollers, structural molded parts and reinforced mechanical components.
Clear material for windows, guards, light guides and parts where optical appearance is more important than high impact strength.
Lightweight, chemically resistant families for covers, containers and functional components with moderate structural demands.
Selected engineering grades can support higher temperature, chemical or wear requirements where standard plastics are insufficient.
Flexible material family for seals, gaskets, soft-touch components and selected temperature-sensitive applications.
Flexible thermoplastic options for protective parts, grips, overmolded interfaces and wear-resistant components.
Carbon-fiber reinforced structures for high stiffness-to-weight applications, with laminate architecture defined around load direction and geometry.
Glass-fiber reinforced structures for corrosion resistance, electrical insulation and cost-sensitive composite applications.
Epoxy laminates, thermoplastic composites and hybrid reinforcement systems selected when a tailored property balance is required.
HSC matches material, geometry, tolerance, volume and documentation needs before confirming the manufacturing partner and process plan.
| Route | Typical Material Families | What is confirmed for the RFQ |
|---|---|---|
| CNC machining | Aluminum, steels, stainless steel, brass, copper, titanium and machinable engineering plastics | Exact grade/condition, stock form, machining strategy, tolerance, finish and inspection scope. |
| EDM / grinding | Conductive steels, stainless, copper alloys and tool materials | Material condition, hardness, recast/finish requirements, datum strategy and reporting. |
| Route | Typical Material Families | What is confirmed for the RFQ |
|---|---|---|
| Injection molding | ABS, PC, PP, PA/Nylon, POM, PBT and selected engineering resins | Exact resin grade, filler, color, flame/UV requirements, moisture control, recycled content and annual volume. |
| Overmolding / flexible molding | TPU, TPE and compatible rigid-substrate systems | Bonding compatibility, hardness, insert/substrate material and trial/validation plan. |
| Silicone / LSR | Project-specified silicone systems | Hardness, cure system, application requirements, production-site capability and required documentation. |
| Route | Typical Material Families | What is confirmed for the RFQ |
|---|---|---|
| Die casting | Aluminum and zinc casting alloys | Alloy, pressure-casting route, wall section, tooling, porosity/cosmetic requirements and secondary machining. |
| Vacuum / urethane casting | PU-like casting resins and silicone tooling systems | Target appearance/property, master pattern, quantity, color and prototype-use expectations. |
| Forging | Carbon/alloy steel, stainless, aluminum and selected alloys | Grade, forging condition, heat treatment, machining allowance, grain-flow/load requirements and testing. |
| Route | Typical Material Families | What is confirmed for the RFQ |
|---|---|---|
| Composite fabrication | CFRP, GFRP, epoxy laminates and selected thermoplastic/hybrid systems | Laminate architecture, fiber/resin system, cure route, tooling, inserts, trim/machining and inspection plan. |
| Composite machining / finishing | Cured composite structures and laminates | Edge quality, delamination control, dust/extraction requirements, hole tolerance and protection of finished surfaces. |
HSC coordinates material requirements with the selected production partner and consolidates the agreed documentation into the project quality package.
Where a drawing, customer specification or industry requirement defines a material grade, condition, standard or approved source, that requirement is carried into the manufacturing plan. Proposed equivalents or substitutions are not treated as automatic replacements and should be approved before production.
These examples illustrate common starting points. The final material is always confirmed against the actual drawing, load case, environment and production route.
Titanium, high-strength aluminum, stainless/alloy steels and CFRP can support lightweight structural and precision applications where material identity, traceability and process control are critical.
Aluminum, steels, engineering plastics and elastomers are matched to load, wear, cost, cycle volume, heat treatment, surface treatment and assembly requirements.
Aluminum, stainless/alloy steels, POM/PA and CFRP are common starting points for housings, shafts, gears, joints and lightweight moving structures.
Send the CAD, drawing, quantity and working environment. HSC can review the requirements, compare practical material/process options and coordinate the selected production route through quotation and release.
DFM, mold design, tool build, injection molding and post-mold operations coordinated around resin, geometry, annual volume and quality requirements.
From first DFM review through T0/T1/T2 validation and repeat production, one project team keeps tooling, process and inspection aligned.
Molding projects are planned from geometry, resin, annual volume, cosmetic requirements, assembly needs and validation scope—not from press tonnage alone.
HSC coordinates DFM, mold design, filling and warpage analysis when needed, tool construction, trials, process validation, inspection and post-mold operations through one project interface.
Review wall thickness, draft, ribs, bosses, undercuts, gate, parting line and ejection risk before tool release.
Select steel, cavitation, runner, cooling and texture around expected production volume, resin and service-life requirements.
Use structured trials, approved samples, process parameters and dimensional or cosmetic criteria before repeat production.
Production molding for engineering thermoplastics, structural components and cosmetic parts.
Combine molded substrates, soft-touch materials or installed metal hardware.
Higher-complexity parts that require closer coordination between tooling, material and process.
Complete molded parts with machining, joining, marking, hardware and assembly.
Mold design and build decisions are tied to resin, geometry, annual volume, cosmetic requirements and maintenance expectations.
Press selection is based on projected area, shot weight, mold envelope, resin, process window and required automation. The values below support early RFQ planning.
| Planning item | Current guide | Engineering check |
|---|---|---|
| Press range | 128–260T | Clamp force, tie-bar and platen limits, mold height and process margin. |
| Part & mold envelope | Part-specific | Mold dimensions, ejection, cooling connections and automation clearance. |
| Shot capacity | Press- and resin-specific | Part plus runner weight, resin density, screw size and process cushion. |
| Cavitation | Single or multi-cavity by program | Annual volume, cycle balance, tool complexity, quality risk and service-life target. |
| Process control | Project-specific | Mold temperature, critical parameters, sensors and validation requirements. |
| Tooling lead time | Project-specific | Part complexity, steel, cavitation, runner system, texture and trial plan. |
Resin family alone is not enough. Grade, reinforcement, flame rating, color, moisture control, recycled content and documentation are reviewed against the application.
Dimensional, cosmetic, material and process requirements are defined before trials so T0/T1/T2 decisions are based on agreed acceptance criteria.
Trial reports, approved samples, process parameters, in-process checks, final inspection and material traceability can be combined into the project control plan.
Secondary machining, joining, marking, hardware installation, inspection and packaging can be integrated into the same project plan.
Machine critical holes, faces, threads and interfaces after molding.
Deburring, polishing, blasting, painting and selected surface treatments.
Heat staking, heat riveting and ultrasonic welding for compatible part designs.
Pad printing, silk screen, laser marking, labels and customer-specified identification.
Thread inserts, press-fit hardware, subassembly and functional checks.
Final sorting, labeling, customer packaging, kits and release documentation.
DFM, tooling, trials and production release are managed as linked engineering stages.
Review 3D/2D files, resin, annual volume, cosmetic zones, tolerances, inserts and documentation needs; identify tooling and molding risks.
Define steel, cavitation, gating, runner, cooling, ejection, texture and the mold-trial plan.
Review T0/T1/T2 samples for dimensions, appearance and process behavior; complete corrections and approve the production sample.
Run released parameters, maintain material-lot traceability, perform in-process and final inspection, and supply agreed documentation.
Application fit is determined by resin, geometry, cosmetic needs, validation scope and any required quality-system or compliance documentation.
Lightweight covers, clips and equipment components subject to project-specific material, qualification and documentation requirements.
Device housings and instrument-related plastic parts where the selected resin and production-site quality system fit the project.
Functional housings, clips, brackets, inserts and repeat-production components.
Protective covers, control components, fixtures and engineered plastic parts for equipment and machinery.
Insulating parts, equipment components, fixtures and assembled plastic/metal interfaces.
Overmolded interfaces, threaded inserts, retained hardware and higher-complexity engineered-plastic parts.
Clear inputs on resin, annual volume, critical features, cosmetic requirements and validation needs help us choose the right tooling and production route.
Yes. A 3D model is enough for an initial review, but a 2D drawing is strongly recommended for tolerances, threads, inserts, texture, cosmetic zones, assembly interfaces and inspection requirements.
Yes. We review substrate compatibility, adhesion or retention requirements, insert temperature, dimensional effects, tooling access and any automation needed for the proposed production route.
Tool ownership, storage, maintenance and transfer arrangements are defined in the quotation and project documentation so responsibilities are clear before tooling release.
Such projects can be evaluated against the required resin, production-site quality system, qualification and documentation scope. ISO 13485 production-site options are available for suitable medical programs; aerospace requirements are reviewed project by project.
Tooling can be planned for bridge or lower-volume repeat production through higher-volume programs. For very low quantities, we may recommend machining or another process when it offers a better cost and lead-time fit.
Project packages can include T0/T1/T2 trial reports, full-dimensional or CMM reports, material certificates or COA, approved process parameters, capability studies, inspection reports and customer-specific templates.
Choose the process page closest to your part geometry, material and inspection requirements.
Share 3D CAD, 2D drawings, resin or functional requirements, annual volume, cosmetic zones, tolerances, inserts and quality-documentation needs. We’ll review the part design, tooling approach, molding route and validation scope.
Precision manufacturing for tight-tolerance and datum-critical parts where machining, inspection and documentation need to work as one system.
Machining route, datum strategy, inspection method and documentation are planned together before production.
For tight-tolerance and datum-critical components, process selection, fixture strategy, in-process control and final inspection are coordinated from the drawing.
Inspection resources include CMM, vision and height measurement, roughness testing, material verification and third-party testing where required.
Position, profile, flatness, runout and complex datum relationships measured to drawing requirements.
Optical and height measurement for profiles, holes, steps and accessible feature geometry.
Roughness, hardness, composition and third-party test routes where required.
Calibration status, measurement method and report requirements aligned to the project inspection plan.
The production route is selected around geometry, material, tolerance, batch size, inspection needs and available machine envelope.
| Resource | Capability | Project use |
|---|---|---|
| Simultaneous 5-axis | Simultaneous 5-axis machining routes | Complex multi-face, contoured and compound-angle parts. |
| Large 4-axis | Large-format indexed machining; usable envelope matched to the project | Larger structures, housings and multi-face features. |
| Mill-turn | Y-axis, live-tooling and sub-spindle routes | Complex rotational parts with fewer setups. |
| EDM & grinding | Wire, sinker, small-hole EDM and precision grinding | Hard materials, fine features and post-heat-treatment geometry. |
| CMM | Calibrated CMM and dimensional inspection resources | Full-dimensional, GD&T and customer-defined reporting. |
Specify report type, sample size, traceability needs and customer templates at RFQ stage so the required deliverables are built into the project plan.
Drawing balloons and dimensional results provided by agreed scope.
CMM or standard inspection reports, including customer templates when provided.
CoC, material certificates and applicable compliance documents as specified.
NCR, root-cause analysis and corrective action when required.
Applicable ISO 9001 or ISO 13485 certificate evidence for the selected production route, where relevant.
PPAP, SPC, MSA and other customer-specific quality packages can be defined by project.
Qualification, validation, traceability and regulatory documentation are defined according to the requirements of each industry and project.
Tolerance is evaluated feature by feature. Achievable results depend on feature size, material, geometry, datum structure, process sequence, batch size and measurement uncertainty; critical tolerances should be identified in the 2D drawing.
Yes. 100% inspection of specified critical dimensions can be planned when required. The feature list, measurement method, report format and sampling for non-critical dimensions are defined before production.
Yes. True position, flatness, coaxiality, perpendicularity, profile and related characteristics can be inspected based on drawing datums and available equipment.
Yes. CMM and full-dimensional reports are available when specified in the RFQ. Reporting scope, format, sample size and customer templates are agreed during project planning.
Yes, when the selected production route and quality-system scope fit the project. ISO 13485 production-site options are available for suitable medical work, while aerospace and other regulated requirements are reviewed against the required qualification, validation and documentation scope.
Choose the process page closest to your drawing, geometry and inspection requirements.
Share 3D CAD, 2D drawings, material, quantity, critical tolerances, GD&T and required quality documents. We’ll review the manufacturing route, datum strategy, inspection plan and quotation scope.
Use the Knowledge Base to understand key manufacturing decisions, the Guides to explore process-specific considerations, and the Help Center to prepare an RFQ and define project documentation. HSC then coordinates the appropriate manufacturing route and partner resources for your project.
Practical engineering references for the questions that usually need to be resolved before a part is assigned to a manufacturing route.
Review geometry, tolerances, access, wall thickness, draft, radii, tooling constraints and other features that can affect process choice, cost and repeatability.
Explore manufacturing capabilities →Compare machining, molding, casting, forging and specialist routes against geometry, material, tolerance, quantity, surface requirements and production intent.
Compare process routes →Consider strength, temperature, corrosion, wear, weight, machinability or moldability, finish, grade availability and documentation requirements together.
Open materials reference →Define CTQ features, realistic tolerances, datum strategy, inspection methods, FAI, traceability and release documentation before production begins.
Review quality approach →Each guide explains where a process fits, what inputs matter and which quality or secondary-operation decisions should be confirmed during RFQ review.
Milling, turning, EDM and precision manufacturing with tolerance, material, finishing and inspection considerations.
Open CNC guide →Resin, tooling, draft, gates, inserts, cosmetic zones, validation and production-route considerations.
Open molding guide →Compare casting and forging routes, secondary machining, quality controls and manufacturing-partner fit.
Open casting & forging guide →Shaping, hobbing, grinding, heat treatment and inspection considerations for precision gear programs.
Open gear guide →Metals, plastics, elastomers and composites organized by application, process fit, grade control and documentation requirements.
Open materials guide →Dimensional verification, FAI, material evidence, traceability, NDT and project-specific release documentation.
Open quality guide →The Help Center is focused on moving a real project forward. If information is incomplete, send what you have and HSC can identify the decisions that still need confirmation.
The goal is to make design intent, production intent and acceptance criteria clear enough to select the right route and quote responsibly.
When requirements are incomplete, we can flag process, material, tolerance, finishing or documentation items that need confirmation before a manufacturing partner is selected.
Capability, certification and inspection evidence should match the selected process, material source and production site.
For active RFQs, request a summary of the proposed process route, relevant manufacturing resources and quality controls.
Request for your RFQ →Applicable certificate or qualification evidence can be shared for the manufacturing site or service provider proposed for the project.
Request evidence →FAI, dimensional reports, material records, process certificates and other release documents are defined according to the agreed quality plan.
Discuss documentation →Final capability, documentation and lead time are confirmed against the selected production route.
Send your technical package once. HSC will review the project, identify missing requirements and coordinate the appropriate manufacturing route for quotation.
