中型挖掘机油管的焊接工艺设计

AbstractBox belongs to the bracket type parts,is the reducer of theinclusion of the parts of the reducer play an inclusive role.It is a complicated part in the reducer.It is not a transmission,the force is not high.According to the structuralcharacteristics and performance,g235-a is selected as thematerial of cover plate,bearing seat and floor plate.According to q235-a steel select the appropriate moldingprocess and welding method,prepare reasonable processprocedures,select the correct assembly method,the predictionof welding defects,hazard analysis and find out the relevantremedial measures.Keywords:welding process,welding method,welding defects,welding inspection