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本文就我厂选用的四种软氮化渗入剂配方对高速钢进行的气体软氮化作了介绍,指出滴入100%甲酰胺进行氮化,在排气时添加氨和滴入100%甲酰胺,滴入甲醇两种渗入剂配方对高速钢刀具可获得良好的效果。还介绍了不同直径或厚度的高速钢刀具气体软氮化的保温时间,以及软氮化处理的各种高速钢刀具的寿命比较,指出经气体软氮化处理的不同高速钢刀具如铣刀、铰刀、锪刀、滚刀、丝锥等的使用寿命均有大幅度的提高。
In this paper, the four soft nitriding infiltrant formulations used in our factory were introduced for gas nitrocarburizing of high-speed steel. It was pointed out that 100% formamide was added dropwise for nitriding, ammonia was added during the venting and 100% Amide, drip methanol infiltration of two formulations of high-speed steel cutter can get good results. In addition, the holding time of gas nitrocarburizing of high speed steel cutting tools with different diameters or thicknesses is also introduced, and the lifetimes of various high speed steel cutting tools with soft nitriding are compared. It is pointed out that different high speed steel cutting tools, such as milling cutters, Reamer, trowel, hob, tap, etc. have greatly increased the service life.