| 摘要 |
A drive or drive arrangement for a movable work component, such as the ram of a punch press, stamping machine or the like, comprising a crosshead driven by a crank drive. At both sides of the crosshead there are hingedly connected one respective end of single-arm levers, the other ends of which are hingedly connected with threaded spindles supported in the machine housing for adjusting the stroke of the drive, and the intermediate bearing or support locations of the levers are hingedly connected via connecting or pressing rods with the ram.
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