Custom Gear Manufacturing Case Study: Drive Spur Gear Used in Air Conditioning Equipment

Proposing changes in heat treatment and material can significantly improve quality management! It also enables the reduction of noise and vibration.

This is a product case of spur gears used as the drive component for air conditioning equipment. Specifically, it was a part of air conditioning equipment used for commercial purposes, such as in offices and restaurants. Since it was equipment used by various companies, minimizing noise was a significant focus in this case. To reduce noise, the machining accuracy of the gears and the fitting accuracy of the shaft were extremely important. By repeatedly discussing the process design, we were able to manufacture the product in the shortest possible time. We performed tooth shape corrections suitable for the operating conditions requested by the customer and designed it to accommodate changes in operating posture. We made various proposals, including changes in heat treatment and material, which ultimately led to a significant improvement in quality management. In fact, we received feedback that noise and vibration were reduced compared to previous suppliers, resulting in long-term adoption of our product.

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