At the end of the 19th century, the principle of cutting teeth and the use of this principle to cut the special machine tools and tools have emerged, with the development of production, the smooth operation of gear attention.
(5) planing machine planing teeth: can be processed 16 modulus large gear
(1) hobbing machine hobbing: can be processed 8 modal following helical teeth
A mechanical element that continuously engages movement and power.
