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钻基合金焊丝氧—乙炔焰堆焊锻模是一项新技术。佳木斯第二农机厂生产的圆盘耙主要零件“方轴”和“圆盘挂勾”的镦头工序用的是W18Cr4V或5CrMnMo锻模,模块寿命短,产品供不应求。采用钴基112号焊丝氧—乙炔焰堆焊工艺后,模具寿命提高10倍之多,解决了生产中的难题。 1.堆焊工艺①将模块刀口处加工成一定大小的圆角,并清除模块表面的氧化物及油污; ②将待焊模块预热至400～500℃(在焊接过程中不应低于280℃)。将焊丝烘干(烘温为
Drilling-based alloy wire oxygen - acetylene flame welding forging die is a new technology. Jiamusi second agricultural machinery factory production of the major parts of the disc harrow “square shaft ” and “disc hook ” heading process using W18Cr4V or 5CrMnMo forging die, the module life is short, the product in short supply. The cobalt-based 112-wire oxygen-acetylene flame welding process, the die life increased by 10 times as many, to solve the production problems. 1 surfacing process ① the module edge processed into a certain size of the fillet, and remove the module surface oxide and oil; ② to be welded preheated to 400 ~ 500 ℃ (during the welding process should not be less than 280 ℃). The wire drying (drying temperature is