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设计拉刀时,必须同时要设计与此相配用的拉刀杆。这给制造、操作、管理增加很多的麻烦。采用多用快换拉刀杆,可克服上述不足之处。多用快换拉刀杆的结构如图1所示。它是利用杠杆原理实行夹紧和松开的。其特点为:适用于刀柄颈部尺寸为2～16mm的各种拉刀;操作方便,工作平稳,能承担足够的拉削力;拉削时,能自动地消除嵌接间隙,因而定心,定角精度较高;适用于多种几何形体的刀柄。刀柄的联接形式必须为嵌入式结构。
When designing a broach, you must also design a broach rod that matches this. This adds a lot of hassle to manufacturing, operation and management. Multi-purpose quick-change broach, can overcome the above deficiencies. Multi-purpose quick switch rod structure shown in Figure 1. It is the use of lever principle of clamping and release. The utility model is characterized in that the utility model is suitable for all kinds of broachs with the size of 2-16mm on the neck of a handle, convenient operation and stable work and can bear enough broaching force, and can broaden the gap automatically when broaching, , Fixed angle higher accuracy; suitable for a variety of geometric tool holder. Shank coupling form must be embedded structure.