Sensor Housing Mold
Challenge: IP67 waterproof seal on small housing; tight tolerance on O-ring groove; PBT shrinkage control.
Solution: Precision O-ring groove (Ra 0.4), verified shrinkage compensation (1.8%), vacuum venting to eliminate micro-porosity in seal areas.
Result: IP67 certified (1m/30min), O-ring groove tolerance ±0.02mm, zero leak failures in production.
| Material | PBT GF30 |
| Cavities | 8 |
| Rating | IP67 |
| Cycle Time | 25s |
| Shrinkage | 0.4% (GF-compensated) |
| Groove Tol. | ±0.02mm |
