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全国青年工人先进经验观摩团团员,重庆嘉陵机器厂钳工唐远康同志,在我厂传授先进经验时,提出用双重刃高速钻头,加工8马力柴油机连杆小头的孔,孔直径为φ32,5毫米,厚47毫米,材料是45号碳钢锻件。经他亲自磨了一个钻头,在主轴每分钟375转,走刀量每转0.375毫米情况下进行切削,机动时间只需20秒左右即可加工完一个孔,较原来我厂使用的主轴每分钟200转,走刀量每转0.15毫米的情况下,机动时间需1分35秒才能加工好一个孔,提高效率3倍多。这种先进钻头在我厂实地表演后,很受工人同志们的欢迎,现把这种钻头介绍出采,供各厂工人同志们学习参考。
Comrade Tang Yuankang, the fitter of Chongqing Jialing Machinery Factory, advanced the experience of young workers in the country. When we passed the advanced experience in our factory, we proposed to use the double-blade high speed drill bit to process the small horsepower hole of 8 horsepower diesel engine connecting rod with a hole diameter of φ32,5 mm , 47 mm thick, the material is 45 carbon steel forgings. After he personally sharpened a drill, the main shaft 375 revolutions per minute, the amount of knife per revolution of 0.375 mm cutting, maneuvering time only 20 seconds to finish a hole, compared with the original I used the spindle every minute 200 rpm, take the amount of knife per revolution of 0.15 mm case, the maneuver time need 1 minute 35 seconds to process a hole, improve efficiency more than 3 times. This advanced drill in the field performance of our factory, very popular with the workers comrades, now introduce this bit mining for the factory workers comrades learning reference.