1 目 录 题 目 ······································1 摘 要········································1 1 引 言··································1 1.1 开发焊接变位机的意义和目的·································1 1.2 焊接变位机目前的发展状况····································1 1.2.1 国内焊接变位机的产品简介·····································1 1.2.2 国外焊接变位机的产品简介····································1 1.3 本次设计的意义和工作内容······················