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１前言 液压缸体内表面的加工精度要求较高，不但有严格的尺寸公差和形位公差要求，对表面粗糙度的要求也很高。图１所示的是我公司小批量加工的液压缸缸筒。其中Φ２８０Ｈ９（ ）切内孔的加工是关键工序。 以往我们加工液压缸内孔的传统工艺是在Ｔ２１８０深孔钻镗床上将工件
1 Introduction Hydraulic cylinder inner surface of the machining accuracy demanding, not only have strict dimensional tolerances and geometric tolerance requirements, the surface roughness requirements are also high. Figure 1 shows the small cylinder processing cylinder cylinder. Which Φ280H9 () cut hole processing is the key process. In the past we process the traditional process of hydraulic cylinder bore is in the T2180 deep hole boring machine will work piece