| 摘要 |
The invention is relative to an improved press machine which comprises a machine body, a frame, a hydraulically operating unit for raising and lowering the frame, a mechanically operating unit, a ramming means, and a slide body which are in such an arrangement that the frame can be slid up and down, and the slide body can be moved downward until it contacts with a workpiece before the ramming means delivers a blow when the frame is lowered, and can transmit the blow of the ramming means to the workpiece when the ramming means is operated.
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