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江苏戚墅堰铁路工厂在加工大型正齿轮时,由于缺乏加工大齿轮的专门机床,利用牛头刨床来加工,扩大了牛头刨床的使用范围。如附图所示,1是纵行刀架,2是横行刀架,用螺栓装在刀架1的前端(2可在1中回转滑动)。当刀架1上下移动时,带动2也上下移动;但因横行刀架2上的滚子4,是安放在导板3的曲线槽中的,由于曲线槽的作用,又迫使刀架2作左右移动。导板的一端,固定在刨床纵行刀架滑枕上,作前后往复运动。弹簧装置5安在刀架2的左边。
Qishuyan railway factory in Jiangsu Province in the processing of large spur gear, due to the lack of specialized processing of large gear machine, the use of shaper to process, expanding the use of shaper. As shown in the drawings, 1 is a longitudinal tool holder, 2 is a transverse tool holder, which is bolted to the front end of the tool holder 1 (2 can be swung in 1). When the turret 1 moves up and down, the turntable 2 also moves up and down; but the roller 4 on the turret turret 2 is placed in the curved groove of the guide plate 3. Due to the action of the curved groove, the turret 2 is also forced to work mobile. One end of the guide plate, fixed planer longitudinal ram ram, reciprocating back and forth. The spring device 5 is mounted to the left of the holder 2.