OEM High Precision CNC Aluminum Prototype Mould
This product is a set of fully CNC machined aluminum mould inserts, used for rapid prototype injection moulding of handheld tool grip plastic parts. Aluminum moulds feature ultra-fast processing cycles, low cost and short lead time, ideal for small-batch trial production, product verification and pre-mass sampling.
Product Overview
The picture shows multiple finished aluminum cavity plates with symmetrical ergonomic grip cavities. Each plate contains two identical handle-shaped forming cavities, machined via high-speed CNC milling. Aluminum moulds are widely adopted for new product validation before steel mould mass production, supporting small volume trial runs of PP, ABS, TPE and other common plastics.
Core Technical Features
✅ Lightweight Aluminum Alloy Material Advantage
Material: 6061 / 7075 aerospace grade aluminum alloy
Low density, fast heat conduction, cooling efficiency 2–3 times higher than steel moulds, greatly shorten injection cycle
Easy CNC machining, lead time cut by 40% compared to steel mould
Service life: 1,000 ~ 10,000 shots, perfect for prototype, pre-production sampling, small batch orders
✅ High-Speed CNC Precision Machining
3-axis / 5-axis high-speed CNC milling for complex curved ergonomic handle contours
Surface roughness Ra ≤0.8μm after fine milling, can be further polished or textured
Dimensional tolerance controlled within ±0.02mm, meet prototype assembly verification requirements
Integrated positioning pin holes, cooling channel holes and locking notches one-time machining
✅ Independent Conformal Cooling Circuit
Built-in water cooling channels inside each aluminum plate, closely surrounding the grip cavity to stabilize melt temperature, effectively avoid warpage, sink marks and shrinkage defects on curved handle parts.
✅ Flexible Mould Application
Single cavity / double cavity layout customizable based on customer sample demand
Compatible with small to medium horizontal injection machines (80T–200T)
Support single material injection or simple overmold prototype testing
Comparison Between Aluminum Mould & Steel Mould
| Item |
Aluminum Prototype Mould |
Hard Steel Mass Production Mould |
| Raw Material |
6061 / 7075 Aluminum Alloy |
S136H / 718H / H13 Hardened Steel |
| Production Lead Time |
7–15 working days |
25–40 working days |
| Service Shots |
1,000–10,000 |
500,000–1,000,000 |
| Unit Cost |
Low, cost-effective for sampling |
High, suitable for mass production |
| Heat Dissipation |
Excellent, fast cooling cycle |
Normal cooling efficiency |
| Application Scenario |
New product trial, small batch prototype |
Long-term mass production |
One-Stop Aluminum Mould Service Flow
1. Receive customer 2D/3D drawings → DFM prototype analysis
2. CNC 3D mould design & cavity layout confirmation
3. High-speed CNC roughing + fine milling of aluminum plate
4. Drilling cooling channels, positioning holes and tapping thread holes
5. Surface polishing/texturing as customer request
6. Mould assembly, trial injection & sample delivery
7. Support mass prototype injection, secondary painting/printing processing
Application Scope
1. Handheld power tool / garden tool ergonomic grip prototypes
2. Household appliance small plastic housing trial samples
3. Consumer electronics outer casing pre-production verification
4. New product cosmetic parts small batch trial production
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OEM High Precision CNC Aluminum Prototype Mould Images
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