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零变位齿轮和标准齿轮有什么区别
更新时间: 2020-08-19 00:00:00  

零变位齿轮与标准齿轮相比,其模数、齿数、压力角均无变化;但是正变位时,齿廓曲线段离基圆较远,齿顶圆和齿根圆也相应增大,齿根高减小,齿顶高增大,分度圆齿厚与齿根圆齿厚都增大,但齿顶容易变尖;负变位时,齿廓曲线段离基圆较近,齿顶圆和齿根圆也相应减小,齿根高增大,齿顶高减小,分度圆齿厚和齿根圆齿厚都减小。

零变位齿轮是通过改变”标准刀具”对齿轮毛坯的径向位置或改变”标准刀具”的齿槽宽切制出的齿形为非标准渐开线齿形的齿轮。

关键词: 变位 齿轮 标准 什么 区别

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