Regarding the way to complete the hole groove processing and achieve precision requirement in CNC Milling-Boring Machine, a set of process has been summarized in the text on the basis of theoretical and practice exploration. Firstly, some part of the slider cylinder has been machined before being welded, and then the embedding-ring groove on the slider cylinder has been cut out by three edge blade of milling cutter. The groove surface has been finely milled by a milling cutter. Finally the big holes on cylinder have been finely bored to satisfy the requirements of the drawings.%单点滑块油缸卡环槽的加工一般在数控立车上完成.如何在数控镗铣床上完成孔槽的加工并达到精度要求,本文通过理论实践探索,总结了一套工艺:先将滑块油缸部分尺寸焊前加工成品,然后对滑块油缸卡环槽用三面刃铣刀割出,再用铣刀精铣槽面,最后精镗油缸大孔至图纸要求.
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