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螺旋伞齒輪(圓弧齒輪)的切齒工序,在机床调整方面,不但计算理论复杂,而且与刀具设计有着极密切的关系。如果不懂得刀具设计的一些理论,很难了解机床调整的原理,因此需要有丰富经验与高度技术熟练水平的调整技师。我们从上期所介绍的刀具设计一节中已经看出,最多数值是採用近似值和标准值,因此与理论数值已有了偏差;再加上齒輪毛胚和夹具刀具的制造公差,所以除了精确的计算机床调整之外,还必须有‘接触区的修正’(Tooth bearing correction)这一段过程。 (1)机床调整计算
Spiral bevel gear (arc gear) cutting process, in the adjustment of machine tools, not only the computational complexity of theory, but also has a very close relationship with the tool design. If you do not understand some of the theory of tool design, it is difficult to understand the principle of machine adjustment, so you need skilled technicians with rich experience and highly skilled technicians. We have seen from the tool design section introduced in the previous issue that the maximum values are approximated and normalized and therefore deviate from the theoretical values. Together with the manufacturing tolerances for the gear blank and the tool holder, in addition to the precise In addition to computerized adjustments, there is also the “Tooth bearing correction” process. (1) machine adjustment calculation