| 摘要 |
A machine tool collet of the three or four leaf type including a cylindrical body having a longitudinal axis, a collet head at the outer end of the body, a plurality of radial slots extending parallel to the longitudinal axis for dividing the body and the head into a plurality of arcuate segments, the slots having a narrow forward portion and an enlarged portion rearwardly of the forward portion, each of the arcuate segments adjacent the enlarged portion of the slots comprising an arcuate distance of approximately 50 DEG . Alternatively, if the arcuate segments are machined to be substantially flat, then the degree of arc of the segments may be as much as approximately 70 DEG .
|
