| 摘要 |
<p>The workpiece (1) is fixed, by means of the collet (4), and rotates, in the headstock (2), together with the spindle (3). A first cam (30) is fixed to the main shaft of the spindle (3). Its control surface guides the contact roller (31). The rotary giver (8) is actuated by the rotation of the spindle shaft (3). The auxiliary motor (10) is situated on the crossed slide (12) and causes the auxiliary shaft (21) to rotate. The giver (8) effects the synchronisation between the spindle shaft and the auxiliary shaft. The latter carries the second cam (not visible). Depending on the position of the crossed slide (12), the exact positioning of the tools (16, 17) is given by the first cam or by the second cam. …<IMAGE>… </p> |
