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Multi Cavity Wire Harness Plastic Injection Mold Parts
Multi cavity wire harness plastic injection mold parts are high-productivity tooling components designed for manufacturing large volumes of cable management components including connector housings, terminal retainers, cable clips, and grommets. These mold parts feature balanced runner systems, precision-machined cavity blocks, and synchronized ejection mechanisms to achieve consistent part quality across all cavities. The tooling system supports multi-cavity configurations from 4+4 up to 16+16, with hot runner systems and individual nozzle temperature control. Each mold part is manufactured using premium tool steels with advanced PVD coatings, featuring optimized conformal cooling channels and precision-aligned guide systems to ensure uniform part quality and extended service life across millions of production cycles.
Core advantages
- Multi-cavity configurations (4+4 to 16+16)
- Balanced runner system for uniform cavity fill
- Up to 40% cycle time reduction vs. single cavity
- Precision-ground cavity inserts with ±0.005 mm tolerance
- PVD coating (TiAlN, CrN) on all wear surfaces
- Conformal cooling for uniform thermal distribution
- Individual nozzle temperature control (±1°C)
Product characteristics
| Mold base standard | DME / HASCO / FUTABA |
| Number of cavities | 4+4 to 16+16 (custom) |
| Tool steel grades | Stavax ESR, H13, P20 |
| Surface finish | SPI A1, VDI 3400, textured |
| Cavity tolerance | ±0.005 mm |
| Clamping force range | 80 – 1200 ton |
| Coating | PVD (TiAlN, CrN) |
| Mold life | 1M – 2.5M shots |
Application scenarios
- High-volume connector housings
- Terminal retainers and cavity plugs
- Cable clips and routing guides
- Grommets and sealing elements
- Junction boxes and fuse block enclosures
- Strain reliefs and cable glands
- Wire management systems
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
- Balanced fill with multi-stage injection profile
- Pack pressure: 50–80% of injection pressure
- Venting depth: 0.003–0.008 mm for precision
- Shrinkage allowance: 0.5–1.2% for PA
- Individual cavity weight monitoring
