| 摘要 |
The invention concerns a process for regulating the parallelism of two beams of a cutting press designed for converting sheet or weblike matter into a package. The press comprises a frame made of a lower crossbar and an upper crossbar, connected to one another by means of lateral posts. An upper beam is fitted on the upper crossbar. A lower movable beam is raised and lowered with each operating cycle by means of a drive system supported by the lower crossbar by means of bearings. The bearings can be shifted vertically when the drive system is situated in a lower dead center position in such a way as to regulate the parallelism of the lower beam with regard to the upper beam. When the press accomplishes its operating cycle, a deviation e from parallelism is measured when the drive system is situated in an upper dead center position. When the lower dead center is reached, the bearings are shifted vertically so as to have the lower beam tilt in a direction contrary to the tilt resulting from the deviation of parallelism measured in the upper dead center position.
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