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在机械加工中,当孔的深度为直径的3～5倍时,可用一般钻头加工。但当钻孔长度超过直径5倍时,属深孔加工范畴,那就必须用深孔钻头来加工了。近年来,我厂从国外引进了一些比较先进的柴油机机型。随着这些柴油机结构性能的提高,给零部件制造带来了一定的困难,其中有不少是深孔加工问题,对精度和粗糙度要求都比较高。如何解决深孔加工问题呢?我们学习了国外孔加工的先进经验,结合本厂实际,引进并研制了部份先进刀具,如枪钻、喷油钻、BTA深孔钻等,满足了生产要求,从而使我
In machining, when the hole depth of 3 to 5 times the diameter, the general drill can be used. However, when the length of the hole exceeds 5 times of the diameter, it belongs to the deep-hole processing category, then it must be processed with the deep-hole bit. In recent years, I plant imported from abroad some of the more advanced diesel engine models. With the improvement of the structural performance of these diesel engines, some difficulties have been brought to the manufacture of spare parts. Many of them are problems of deep-hole processing, and require high precision and roughness. How to solve the problem of deep hole processing? We learned the advanced experience of foreign hole processing, combined with the actual factory, the introduction and development of some advanced tools, such as gun drill, spray drill, BTA deep hole drilling, to meet the production requirements , So that I