大型矿用挖掘机底架梁焊接变形控制  

On Welding Deformation Control of Chassis Frame in Large-scale Mining Excarator

作　　者：方利刚 

机构地区：[1]太原重工挖掘焦化设备分公司,山西太原030024

出　　处：《机械管理开发》2010年第5期68-69,共2页Mechanical Management and Development

摘　　要：介绍了矿用挖掘机的底架梁结构——箱形放射形结构,分析了后壁板的焊接弯曲变形,通过采用调整焊接规范参数、刚性固定组合、反变形法三种方案的对比,认为反变形法能有效地控制此类焊接变形,保证结构的质量和技术要求。This article describes the mining excavator box-shaped chassis frame,and analyzes the after-panel bending caused by welding。By comparison of three programs of adjusting the welding parameters,combination of rigid fixation,and anti-deformation,it is obtained that Anti-deformation method can effectively solve such welding deformation,and guarantee the quality of Structure and technical requirements.

关 键 词：底架梁 焊接变形 焊接规范参数 刚性固定组合 反变形法 

分 类 号：TG457.2[金属学及工艺—焊接]