Defect: Poor welding | metal screen
Cause: 1)Nonstandard length of pole cutting; 2)Nonstandard mold or careless workmanship during shaping screen; 3)poor welding workmanship
Solution: 1)Pole length must be accurate to match shaping mold; 2)Mold size must be accurate and overhauled properly, and pay attention on shaping during processing; 3)carefully welding.
Typical: * * * *
Rework difficulty: * * * *
Rework collateral risk: * * *
