1.前言南昌飞机制造公司摩托车制造分厂原减震器管的制造工艺是在长630mm、直径φ37mm的45~#优质碳素结构钢钢棒上钻孔,再经内外圆磨削,加工成所需的产品。由于技术要求较高,机械加工工艺复杂,特别是内孔磨削加工难度大,所以加工效率低,废品 1. Foreword Nanchang Aircraft Manufacturing Company motorcycle manufacturing plant original shock absorber tube manufacturing process is in the length 630mm, diameter φ37mm 45 ~ # quality carbon steel rod on the bored, and then by internal and external grinding, machining Into the desired product. Due to the higher technical requirements, the complexity of machining processes, especially in the hole grinding difficult, so the processing efficiency is low, waste