接地螺栓的焊接赵世厚（辽宁省安装公司沈阳１１０００６）当按设计或规范要求在电气保护钢管或电气设备金属支架上焊接接地螺栓时，常因镀锌螺栓短小，不易扶持而使焊后的螺栓歪斜，附着许多电焊飞溅物和对镀层的严重损坏。为克服上述缺点，可用四种直径的无缝钢管制作一... Welding of Grounding Bolts Zhao Shouhou (Liaoning Provincial Installation Company, Shenyang 110006) When the grounding bolts are welded or welded on the metal support of the electrical protection pipe or electrical equipment according to the design or specification requirements, the bolts after welding are often skewed due to the short and difficult support of galvanized bolts , Attached to many welding spatter and serious damage to the coating. To overcome the above shortcomings, the available four kinds of diameter seamless steel pipe making a ...