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对于齿轮来讲,模数是衡量轮齿抗弯曲能力强弱的一个重要参数,是加工齿轮时选择刀具的依据,也是齿轮几何尺寸计算的3个基本参数之一。通常,模数是已知的,不需测定,但是,对于数据已丢失的正在使用中的齿轮,要想得知它的模数,可以通过试验方法测定。
For gears, modulus is an important parameter to measure the strength of anti-bending of gear teeth. It is the basis of tool selection when machining gears and is also one of the three basic parameters of gear geometry calculation. In general, the modulus is known and does not need to be measured. However, in the case of a gear in use that has lost its data, its modulus can be determined experimentally.