起重臂焊接在塔机制造中属于一种繁重的体力劳动 ,我国加入WTO后 ,我们的产品出口到欧美等国家 ,需要通过SA80 0 0 - 2 0 0 1《社会责任》这张通行证。降低劳动强度 ,改善工作环境 ,成为我们国内企业的当务之急。国内大部分塔机厂家由人工直接焊接起重臂 ,即先将起重臂的下弦接 Jib welding is a laborious manual labor in the manufacture of tower crane. After China’s accession to the WTO, our products are exported to Europe and the United States and other countries and need to pass the “Social Responsibility” SA8000-2001. Reduce labor intensity and improve the working environment, a priority for our domestic enterprises. Most of the tower crane manufacturers by artificial direct welding jib, that is, the first jib crane connection