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在金属的切削过程中,工具的切削部分总要伴随产生剧烈的磨损,尤其在切削难于加工的高合金的钢材和合金时更为严重。在金属加工工业中,广泛采用各种对切削工具耐用性和切削过程有良好效果的处理方法来提高工具的耐磨性(1～3)。诺治契尔卡斯克综合技术学院切削实验室采用P18高速钢钻头(直径14毫米),经化学酸洗后施镀以铬或铬磷层,以之进行耐磨性试验。钻头后面的刃磨,是把钻头夹在特殊的夹具中,在3A64M万能工具磨床
In the cutting process of metal, the cutting part of the tool always accompanied by severe wear and tear, especially in the cutting difficult to process high alloy steel and alloy more serious. In the metalworking industry, a wide range of treatments that have a good effect on the durability of the cutting tool and the cutting process are used to increase the wear resistance of the tool (1 to 3). The cutting-edge laboratory at the Noerz-Kirchkusk Krasnoyarsk Institute of Technology uses a P18 high-speed steel drill (14 mm in diameter). After chemical pickling, a chrome or chrome-phosphorus layer is applied for abrasion resistance testing. Sharpening behind the drill bit, the drill is sandwiched in a special fixture, in the 3A64M universal tool grinder