Project Description
利用刀把刀具组装成一套拉刀组，进行特殊形状拉削形式之拉刀。
The Built-up Broach is assembled of some broaches to obtain more tool life and special shape of workpiece.
利用刀把刀具组装成一套拉刀组，进行特殊形状拉削形式之拉刀。
The Built-up Broach is assembled of some broaches to obtain more tool life and special shape of workpiece.