| 摘要 |
PCT No. PCT/EP92/00891 Sec. 371 Date Feb. 22, 1993 Sec. 102(e) Date Feb. 22, 1993 PCT Filed Apr. 22, 1992 PCT Pub. No. WO92/18264 PCT Pub. Date Oct. 29, 1992.Method and Apparatus for carrying out an operation, such as pressing, riveting, cutting, etc., on a mechanical workpiece which operation comprises at least one stroke, or movement, along a predetermined path, of at least two active members (6,7) each being arranged on a carrying unit (1,2). The mechanical workpiece is first positioned between the active members (6,7). Thereafter the carrying units (1,2) for the active members are approached to each other in a first part of the stroke. The carrying units (1,2) are then locked to each other at the end of said first part of said stroke and a second part of said stroke is carried out by way of the relative movement between the active members (6,7) to achieve the desired effect on the said workpiece.
|
