AT/CVT Gears

O-OKA Developed Small-module and multi-gear product for sun/pinion gear for AT planetary unit according to customer’s request. In additional to our helicoidal teeth forming technology, we are able to supply the finished parts with teeth finishing.

Precision forged internal gear, which is developed for a reduction unit, has smoother and higher accuracy compared to conventional helical broaching or gear shaper production, and contributes to a noise reduction. A unique process with a work-hardening also provides a reduction in total process and cost.