bakie

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.

针对中间包焊接时生层状撕裂问,品结构、焊接工艺等方面分了层状撕裂原因,并制定工艺措施,避免了层状撕裂生。