车架横梁的工艺改进辽宁省丹东汽车制造厂（１１８００８）刘旭东１引言大客车的第２横梁如图１所示，材料为１０Ｔｉ，厚６ｍｍ，是车架总成上的一个重要零件，要求有足够的强度和刚度，生产批量也很大。原模具压制出的第２横梁有两处裂口，相距１５０ｍｍ，最大的裂口达... Frame crossbeam process improvement Dandong Motor Manufacturing Factory of Liaoning Province (118008) Liu Xudong 1 Introduction The second beam of the bus shown in Figure 1, the material is 10Ti, 6mm thick, is an important part of the frame assembly requires Adequate strength and stiffness, the production volume is also great. The original mold pressed out of the second beam has two cracks, 150mm apart, the largest gap up to ...