EN
DE
Precision Injection Mold Components
Precision injection mold components are high-accuracy, engineered parts that form the core functional elements of injection molds, ensuring consistent production of plastic parts with tight tolerances (often within ±0.002mm) and complex geometries. These components—including cavities, cores, ejector pins, guide systems, and hot runner nozzles—are meticulously machined from hardened tool steels (e.g., S136, H13), tungsten carbide, or beryllium copper using advanced processes like 5-axis CNC milling, micro-EDM, and ultra-precision grinding.
Designed for high-wear resistance and thermal stability, they often incorporate specialized features such as textured surfaces, nano-coatings (DLC, TiN), or conformal cooling channels to optimize cycle times, part release, and longevity. Critical for industries like medical devices, optics, and micro-electronics, these components enable mass production of intricate parts with flawless surface finishes, dimensional consistency, and minimal scrap rates.
Advanced Machining Equipment
- Equipped with advanced machines and highly skilled machinists, the CNC machining department transforms raw materials into precision mold components, ensuring each piece meets strict quality standards from programming to inspection.
- EDM processing enables the precise shaping of complex mold parts through controlled electrical discharge, allowing us to manufacture injection molds with intricate geometries.
- We use precision grinding machines to achieve tight tolerances and fine surface finishes, ensuring mold parts meet strict standards.
Machining Equipment List
Precision Machining Capabilities
Category |
Sub-Item |
Specifications |
Notes |
|---|---|---|---|
| General Tolerance | Standard Tolerance | ±0.01mm (CNC), ±0.005mm (Jig Grinding) | Tighter tolerances on request |
| Surface Finish | Ra 0.2μm (Mirror) – Ra 3.2μm (As-Machined) | Polish/Anodizing optional | |
| CNC Milling | Max Part Size | 800mm × 500mm × 400mm | 5-axis simultaneous machining |
| Positioning Accuracy | ±0.003mm | Verified by CMM | |
| Spindle Speed | Up to 30,000 RPM (High-Speed Machining) | For aluminum/plastics | |
| CNC Turning | Swing Diameter | Ø600mm | With live tooling option |
| Length Capacity | 1500mm | Bar feeder available | |
| Roundness Tolerance | ±0.002mm | For precision shafts | |
| Grinding | Cylindrical Grinding | Ø5–Ø300mm, ±0.001mm roundness | For hydraulic/pneumatic components |
| Surface Grinding | 600mm × 300mm, Flatness ±0.001mm/mm² | Mold base applications | |
| EDM/Wire Cutting | Wire EDM Accuracy | ±0.005mm, Ra 0.4μm | For hardened steels (>60 HRC) |
| Hole Drilling (EDM) | Ø0.1mm – Ø3.0mm, Depth up to 200mm | Micro-hole solutions | |
| Materials | Metals | Aluminum (6061, 7075), Stainless (303, 316), Titanium (Grade 2/5), Brass, Copper | With material certs (MTR) |
| Plastics | PEEK, PTFE, Delrin, Nylon | FDA-compliant options | |
| Exotic Alloys | Inconel 718, Hastelloy, Tungsten | High-temp/corrosion-resistant | |
| Secondary Operations | Heat Treatment | Hardening (HRC 30-60), Annealing, Tempering | Per ASTM standards |
| Surface Coating | Anodizing (Type II/III), Plating (Ni, Cr), Passivation | MIL-SPEC available | |
| Quality Control | Inspection Equipment | CMM (Zeiss CONTURA, 0.001mm repeatability), Optical Comparators | Full PPAP/IMDS support |
| Certifications | ISO 9001:2015 | / |
Package and Technical Support
- We strictly manage the packaging and shipping process of each part shipment to ensure that the products remain intact during transportation
- Engineers will provide professional installation guidance and use of training to ensure the installation and use of parts.
- Provide 24-hour online technical consulting service, ready to answer the problems encountered by customers in the process of use.
- According to the customer’s needs, provide mold maintenance suggestions and programs to extend the service life of the mold.
Other Customized Machining Parts
Injection Mold Parts Fabrication
Custom Injection Mold Manufacturing
Custom Plastic Injection Mold Parts
Injection Molding Parts Supplier
CNC Machining for Injection Mold Parts
FAQ Of Custom Machining Parts
Visit our FAQ center for more questions.
What is the minimum/maximum part size you can process?
Our CNC milling capacity can reach 800mm × 500mm × 400mm, turning maximum diameter Ø600mm, and micro parts can be processed to Ø0.1mm (such as medical probes). The specific needs to be evaluated based on the drawing.
What is the highest precision you can achieve in processing?
Standard accuracy ±0.01mm, high-precision items (such as aerospace seals) can reach ±0.002mm, surface roughness Ra 0.2μm (mirror polishing).
Can you sign a non-disclosure agreement (NDA)?
Of course, we support customized NDA to protect customer IP and drawing security.