| 释义 |
punch press
noun
also punching press
: a press for working on metal or other materials by the use of cutting, shaping, or combination dies consisting essentially of a frame in which one or more slides or rams are made to move up and down, of a bed to which the die shoe or bolster plate is bolted, and of means for applying power to the slide usually through a crank, cam, eccentric shaft, toggle joint, knuckle joint, rack and pinion, or other device |