机械毕业设计-筒体焊接夹具设计.doc

优秀机械毕业设计欢迎下载,学****交流加 QQ 197216396 专业机械设计解君之忧 1 毕业设计说明书设计题目:筒体焊接夹具设计设计者: 班级学号: 指导教师: 优秀机械毕业设计欢迎下载,学****交流加 QQ 197216396 专业机械设计解君之忧 2 诚信承诺我谨在此承诺: 本人所写的毕业论文《筒体焊接夹具设计与工艺规程》均系本人独立完成, 没有抄袭行为, 凡涉及其他作者的观点和材料,均作了注释,若有不实,后果由本人承担。承诺人(签名): 年月日优秀机械毕业设计欢迎下载,学****交流加 QQ 197216396 专业机械设计解君之忧 I 摘要此次设计任务是对筒体的加工工艺、焊接夹具以及定位的设计, 该工件由于上端面两小筒体的焊接位置和角度都有位置关系, 在大筒体两端和侧面也需要焊接, 因此在工序安排上, 先两端面端盖, 再焊接侧面端盖, 最后焊接两小筒体, 保证角度和中心距离。这三步焊接工序采用同一个专用夹具, 由于该零件的尺寸大, 所需的夹紧力也大, 因此都采用自动夹紧, 手动脱件的方法, 它的机构设计复杂, 但能满足要求。关键词筒体,加工工艺,定位,夹紧,夹具优秀机械毕业设计欢迎下载,学****交流加 QQ 197216396 专业机械设计解君之忧 II A bstract The design task is to design and processing of welding fixture and positioning technology, the barrel body, the workpiece as the angle and position on the end face of the two small cylinder welding has welding position, also in the two ends of the cylinder body and side, so in the process arrangement, the first two end surface of the end cover, and the welding of the side cover, finally the welding of two small cylinder, ensure the angle and center distance. The three step of welding process with a special fixture, due to the size of the parts, the clamping force required is large, so the automatic clamping, manual methods of removal of parts, its mechanism plex, but can meet the requirements of. Keywords : cylinder, processing technology, positioning, clamping, fixture 优秀机械毕业设计欢迎下载,学****交流加 QQ 197216396 专业机械设计解君之忧 III 目录摘要.......................................................................................................................... I ABSTRACT .................................................................................................................. II 目录............................................................................................................................ III 内容提要........................................................................................................................ 1 序言................................................................................................................