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介绍了货车转向架轴箱导框在堆焊修复时,采用静力过载的工艺方法,可以消除焊接的残余拉伸应力;对比堆焊后进行高温回火的侧架,其疲劳寿命提高了2倍。
Introduced the truck bogie axle box in the surfacing welding repair, the use of static overload process can eliminate residual tensile stress welding; contrast after welding high temperature tempering side frame, the fatigue life increased by 2 Times