Plastic Wire Harness Plastic Injection Mold Parts
Plastic wire harness plastic injection mold parts are specialized tooling components designed for manufacturing cable management systems in automotive, industrial, and consumer electronics applications. These mold parts include connector housings, cable clips, wire guides, junction boxes, grommets, and strain relief components. Manufactured using premium tool steels with advanced machining processes, these parts achieve tight tolerances and extended service life. The tooling system supports insert molding of terminals, contacts, and pre-assembled wire subassemblies, as well as overmolding processes for encapsulated cable assemblies. Each mold part features optimized cooling channels, wear-resistant PVD coatings, and precision-aligned guide systems to ensure consistent part quality across millions of production cycles.
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 and overmolding capability
- 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
- Connector housings and terminal retainers
- Cable clips, clamps, and routing guides
- Junction boxes and fuse enclosures
- Grommets and sealing elements
- Strain reliefs and cable glands
- Encapsulated wire harness assemblies
- Harness board mounts and tie-downs
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
