Saving processing is a precise finishing method by using a shaving cutter by which the tooth flank of a cylinder gear is processed. By forming lots of serration flutes on the tooth flank of a kind of parent gear, cutting edge is formed on the shaving cutter, and the engagement movement of screw gear is applied. Below are its features.
(1) Machining time is short and productivity is high.
(2) Improvement of accuracy is remarkable.
(3) Tool cost by cutting each gear is low.
(4) Tooth profile correction of gear is possible.
(5) Crowning in thread helix direction of gear is easy.
(6) Skill is not necessary for operation.