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我们通常所用的标准剃齿刀在设计中采用的是给定正变位法向啮合角法,一般为20°+(1°～1.5°)。用这种方法设计的剃齿刀,在使用中会出现被剃齿轮剃后存在齿形中凹,且以少齿数齿齿轮更为严重。近几年来,随着贯彻JB179—83齿轮新标准的深入进行,为解决齿形中凹,在剃刀的设计上有了突破性进展,如出现了平衡剃齿齿刀和我厂自行设计制造的负变位剃齿刀。使用实践证明,按负变位啮合角设计的剃齿刀,在减轻直至消除剃后齿形中凹上确有独到之处,尤其是对于剃后中凹较严重的少齿数齿轮不失之为一种行之有效的剃齿刀设计
The standard shaving cutter we usually use in the design is given a positive displacement normal engagement angle, usually 20 ° + (1 ° ~ 1.5 °). Shaving knives designed in this way, there will be used in the razor gear shaving after the dentate crescent, and to a less number of teeth gear more serious. In recent years, with the implementation of new standards JB179-83 gear in-depth, in order to solve the dentate crescent, razor in the design has made a breakthrough, such as the emergence of a balanced shaving tooth cutter and I design and manufacture of the factory Negative displacement shaving cutter. The use of proven practice, according to the negative displacement angle of engagement gear design shaving cutter, to reduce until after the shave to eliminate the indentation is indeed unique, especially for the shaving after the more serious number of teeth without losing the gear An Effective Gear Shaver Design