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在第三章中我们谈过,齿轮除基节、基圆齿厚和基圆半径外,要测算其他有关数据,首先要测算出压力角,然后才能对其他数据进行测算。可见压力角的测算是很重要的。第三章中测算压力角的公式是在节圆齿厚等于 cp/2的基础上推导出来的,因而只适用于标准齿轮,而不适用于变位齿轮的测算。现在我们就来讨论一下变位齿轮的测算方法,首先谈高修正变位齿轮的测算。
In the third chapter, we have talked about the gear in addition to the base section, the base circle tooth thickness and radius of the base circle, to calculate other relevant data, we must first calculate the pressure angle, and then other data can be measured. Visible pressure angle calculation is very important. The formula for calculating the pressure angle in Chapter 3 is deduced on the basis of cp / 2 of the pitch circle tooth thickness, so it is only applicable to the standard gear but not to the displacement gear. Now we will discuss the calculation of the displacement gear, first of all, talk about the high correction gear displacement calculation.