How to learn to make a gear in five steps

　　How to make a gear?If you are not an expert, it must be clear for everyone to learn.

　　XNUMX. First of all, it must be sampling. The sample obtained will be larger than the designed gear, which is called "gear blank".

　　Second, these blanks will then be sent to the lathe for rough processing, and a rusty blank will be turned into the general shape of a bright mirror-like gear.

　　Three, a key step will appear here: drilling.

　　Fourth, the last is the sawtooth, first the internal teeth, then the external teeth.

　　XNUMX. Finally, the final product is obtained through heat treatment and other methods.