Rapid Tooling Solution for Automotive Connector Housing
A Tier-1 automotive supplier required fast delivery of injection molds for a new generation of high-temperature connector housings used in electric vehicles. The client faced tight development timelines and needed to validate structural integrity and dimensional accuracy before large-scale production.
Traditional mold manufacturing cycles of 8–10 weeks were too slow for their launch schedule. They approached our rapid tooling division to shorten lead time without compromising quality.
The project involved several technical difficulties:
- Complex internal snap-fit structures
- High heat-resistant nylon material (PA66+GF30)
- Strict dimensional tolerance of ±0.01mm
- Required 5000 pre-production parts within 3 weeks
The client also required mold durability testing under simulated mass production conditions.
We adopted a hybrid rapid mold processing approach combining:
- High-speed CNC machining
- EDM precision cavity processing
- Pre-hardened P20 steel inserts
- Modular mold base system
By using standardized mold bases and interchangeable inserts, we significantly reduced machining time. Advanced 5-axis CNC ensured precise contour finishing, while EDM processing delivered accurate internal geometries.
To accelerate validation, we implemented:
- Mold flow analysis before machining
- Thermal simulation for cooling channel optimization
- Rapid mold tryout with in-house injection testing
The complete mold was delivered in 21 days, reducing the typical timeline by nearly 40%.
Key outcomes:
- 5200 qualified parts delivered for testing
- Zero structural failure during stress testing
- Mold lifespan verified for 50,000 cycles
- Dimensional stability maintained within ±0.01mm
The client successfully moved into mass production two weeks ahead of schedule.
This project demonstrates how rapid tooling in hardware mold processing can bridge the gap between prototype and production. By integrating digital simulation with precision machining, we provided speed without sacrificing performance.
The customer has since placed three additional rapid mold orders for other EV components.
