1.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.

1.针对中接时产生层状撕裂问题,从产品结、接工艺等方面分析了层状撕裂,并制定相应工艺措施,避免了层状撕裂产生。