Aimed at the problem of lamellar tearing in the welding of bakie, generating cause of lamellar tearing was analyzed from the product structure and welding procedure etc.

• 针对中间包焊接时产生层状撕裂问题,从产品结构、焊接工艺等方面分析了层状撕裂的原因,并制定相应的工艺措施,避免了层状撕裂的产生。