气缸体在使用中经常发生气缸间壁裂纹、缸盖螺丝孔损坏、水套壁冻裂及帆体捣洞等缺陷,可以用下面方法进行焊修: 焊前准备: 将机体清洗干净,拆去其他附件,将缺陷及其四周用碱水或汽油清洗干净;用扁铲或砂轮开出坡口;选择焊条、焊药与焊缸盖相同;焊炬和焊嘴与焊缸盖相同。施焊: Cylinder block often occurs in the use of cracks in the cylinder wall, the cylinder head screw hole damage, water jacket wall cracking and sabotage and other defects, you can use the following methods of welding repair: Welding preparation: the body clean, remove the other Accessories, the defect and its surrounding with alkaline or gasoline clean; with a flat shovel or wheel out bevelling; selection of electrodes, welding flux and welding the same cylinder head; welding torch and nozzle with the same welding cylinder head. Welding: