Automotive Connector Plastic Injection Mold Part
Automotive connector plastic injection mold parts are precision-engineered components designed for manufacturing high-reliability electrical connector systems in vehicles, including terminal housings, sealed connector assemblies, header connectors, and wire-to-board interfaces. These mold parts are manufactured using premium tool steels with advanced machining processes to achieve tight tolerances and extended service life. The tooling system supports insert molding of terminals, seals, and contacts, as well as multi-shot processes for complex geometries. Each mold part features conformal cooling channels, wear-resistant PVD coatings, and precision-aligned guide systems to ensure consistent part quality across millions of production cycles. The modular design allows for quick changeovers and maintenance, reducing downtime and improving overall manufacturing efficiency.
Core advantages
- Precision-ground cavity inserts with ±0.005 mm tolerance
- PVD coating (TiAlN, CrN) on all wear surfaces
- Conformal cooling channels for uniform thermal distribution
- Multi-cavity configurations (4 4 to 16 16)
- Insert molding capability for terminals and seals
- Hot runner systems with valve gate control
- Extended tool life up to 3 million shots
Product characteristics
| Mold base standard | DME / HASCO / FUTABA |
| Tool steel grades | Stavax ESR, H13, P20 |
| Surface finish | SPI A1, VDI 3400, textured |
| Cavity tolerance | ±0.005 mm |
| Clamping force range | 50 – 800 ton |
| Number of cavities | 4 – 16 (custom) |
| Coating | PVD (TiAlN, CrN) |
| Mold life | 1M – 3M shots |
Application scenarios
- Terminal housings and cavity plugs
- Sealed and unsealed connector systems
- Header connectors and pin headers
- Wire-to-board and board-to-board connectors
- Sensor connectors and mounting flanges
- High-voltage connector systems
- Custom interconnect solutions
Processing considerations
- Mold temperature: 80–120°C for PA; 60–100°C for PBT
- Melt temperature: 260–300°C for PA; 230–260°C for PBT
- Insert preheat temperature: 120–180°C for terminals
- Injection profile: slow fill to prevent insert displacement
- Pack pressure: 50–80% of injection pressure
- Venting depth: 0.003–0.008 mm for precision
- Shrinkage allowance: 0.5–1.2% for PA
