FORMING METHOD OF LEAD SCREW ASSEMBLY FOR AUTOMATIC TRANSMISSION

摘要

The present invention relates to a method for forming a lead screw assembly for an automatic transmission rotated forward by forward operation of an actuator and enabling a fastened carrier to be moved forward and rearward to automatically change the speed of the automatic transmission. The purpose of the present invention is to provide the method for forming a lead screw assembly for an automatic transmission having improved quality comprising productivity improvement, stable durability, and dimensional accuracy.