| 摘要 |
<p>The unit has a main drive designed as a spindle drive (20) for implementing pressure stroke in the unit, and an auxiliary drive comprising a knee lever system with an upper knee lever side piece (12), lower knee lever side piece (13), knee lever joint (14) and a fixed stopper (15). The lever side pieces are mechanically blocked by a fixed stopper (15). The knee lever system is actuated via a linear drive, toothed rod drives (16, 17) or spindle drive. The lever side pieces form an angle of above 181 degree on a side that faces the fixed stopper. An independent claim is also included for a method for processing a workpiece.</p> |
