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Custom Mold Design & Manufacturing
DG Proto supports custom mold projects from product evaluation and DFM review through mold design, precision machining, assembly and trials.
Working with our manufacturing group, we help customers develop molds for plastic components and review tooling requirements for other processes based on each project.
What We Support
Product & Tooling Review
DFM Analysis
Mold Flow Review
Review the part drawing, material, expected volume and key functional requirements.
Assess wall thickness, draft, parting lines, ejection and assembly considerations.
Evaluate filling, cooling and potential molding risks when required by the project.
Mold Design
Precision Mold Machining
Assembly & Mold Trials
Develop the mold structure, gating, cooling and ejection systems.
Machine mold components and control critical dimensions and surface features.
Assemble the mold, run trials and review samples before production approval.
Mold Projects
Plastic Injection Molds
Custom tooling for molded plastic housings, structural parts and detailed components.
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Large-Part Injection Tooling
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Die Casting Tooling Review
Review die-cast part drawings and coordinate tooling requirements with the manufacturing team.
Click HereFrom Drawing to Production-Ready Mold
- Evaluation — Confirm product requirements, material and production goals.
- DFM Analysis — Identify potential manufacturing and assembly issues.
- Mold Flow Review — Assess filling and cooling behavior when needed.
- Mold Design — Define mold structure and key systems.
- Precision Machining — Manufacture mold components to the approved design.
- Assembly & Trial — Assemble the mold and produce initial trial samples.
- Optimization — Adjust the mold or process based on trial results.
- Approval & Delivery — Confirm the agreed samples, records and handover scope.
Mold Development in Practice
Engineering Review
Mold Design
Precision Machining
Mold Assembly
Mold Trial
Inspection & Optimization
Part and tooling requirements reviewed before design.
Mold structure developed around the product requirements.
Mold components machined to the approved design.
Components assembled and checked before trial.
Initial samples evaluated against the agreed requirements.
Trial feedback used to refine the mold and process.
From Mold Trial to Injection Molding
Mold development is closely linked to the final molded part. After assembly and trials, samples can be reviewed for dimensions, appearance, fit and function. Any agreed adjustments are completed before the project moves toward stable production.
Our group’s injection molding capability includes machines ranging from 80T to 1300T. Machine and mold suitability are confirmed after reviewing the part design and production requirements.
Clear Reviews at Each Project Stage
We review requirements before mold design, check mold components during manufacturing and evaluate samples after trial. Inspection scope and approval criteria are agreed according to the part drawing and project needs.
If your product has critical dimensions, cosmetic surfaces or assembly requirements, please identify them when sending the RFQ.
CNC Machining – High precision CNC machining services for custom metal and plastic parts, suitable for low-volume to mass production of complex components.
CNC Milling – 3-axis and 5-axis CNC milling services for complex geometries, tight tolerances, and high-accuracy surface finishes.
CNC Turning – CNC turning services for high-precision cylindrical parts, threaded components, and custom shaft manufacturing.
Prototyping – Rapid prototyping services to accelerate product development, functional testing, and design validation before mass production.
Die Casting – High-pressure die casting services for aluminum, zinc, and magnesium alloy parts, providing cost-effective, high-strength, and high-volume metal component manufacturing.
Die Casting – Custom metal die-cast components supported through our manufacturing group. Share your drawing, material, finish and quantity requirements for a feasibility review and quotation.
Plastic Injection Molding – Custom molded plastic parts, from small detailed components to large structural housings. Our injection molding capability covers machines from 80T to 1300T.
Injection Mold Design & Manufacturing – Support from product evaluation and DFM analysis through mold design, precision machining, assembly, mold trials and optimization.
Vacuum Casting – Low-volume plastic parts and appearance samples for product development and testing.
Have a Part That Needs a Custom Mold?
Send us your 2D drawings or 3D files, preferred material, estimated annual volume, appearance requirements and target production schedule. Tell us whether you need mold development only or both tooling and molded parts.