美国Kennametal公司设计制造了一种“Kenloc”不重磨式车刀(见图1)。它是利用六角搬子旋动偏心衬套(C),于是销子的下端即可成圆圈晃动;销子中间的凸起部分(B)与刀杆上的孔壁接触,因此销子的顶端(A)也可与其下端在相反方向上成圆圈晃动,从而将刀片压紧在刀片槽内 American Kennametal designed and manufactured a “Kenloc” non-restoring turning tool (see Figure 1). It is the use of hexagonal movement of the eccentric sleeve (C), so the lower end of the pin can be a circle shaking; the middle of the pin boss (B) and the arbor hole wall contact, so the top of the pin (A) may also be circularly rocked in the opposite direction from its lower end to compress the blade within the insert pocket