| 摘要 |
PURPOSE:To improve operational efficiency by enabling the cutting of several types of work having various axial convexconcave configuration on their end surface, without changing a setup, i.e., a work driving center. CONSTITUTION:The pitch circle diameters and the number of driving claws 14 are arranged so as to be able to drive a shaft (work) B, while arranging each claw 14 in the direction of periphery with irregular pitches against the shaft B in such a way that each claw is positioned not on the stepped areas 36 and 37 but on the plane-surface areas, i.e., within the range of the pin seat area 34 and the weight area 35 of an arm. Thus, the device can be used for several types of shafts, eliminating the need for changing a setup. |
