Custom Gear Manufacturing Case Study: Drive System for Vehicle-Mounted Battery Manufacturing Equipment

Resolving issues with poor accuracy.

This is a spur gear for manufacturing equipment for vehicle batteries. We received feedback that its thin-walled design makes it difficult to achieve precision, resulting in unstable quality. The deformation during heat treatment is significant, making it challenging to maintain the product's shape, and further special surface treatments are required. Due to the importance of managing the film thickness, it was a product with difficult dimensional management. Many of our partner companies are manufacturers capable of handling special processing. By not only focusing on standard gear processing but also establishing a system to accommodate special processing, we have enhanced the product's completeness. For production, we implemented process design considering distortion, created fixtures that are resistant to distortion, and performed dimensional management taking surface treatment into account, which allowed us to stabilize product quality. With the stabilization of quality, adjustments during assembly became possible, resolving issues related to precision defects such as initial vibrations.

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