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Question:

Is it true that the adjustment of the deflection coefficient affects the bending strength of the gears?

An old expert asked me to choose the total displacement factor at more than 0.5 when I was in gear box ratio. After checking with the software, increase the displacement coefficient, the safety coefficient of gear bending strength really big, but only by ISO6336 to calculate, if the test does have so big? Although it is an international standard, I doubt it. What do you think?

Answer:

Standards have been verified by numerous practices and approved by most experts. Therefore, in order to share these useful experiences and data, standards are set. The deflection of the gear does increase the bending strength of the gear. I don't have any specific data on how much specific improvements can be made. I don't think there is universal applicability even if you know a set of data. Now only by the relevant software calculation. In fact, when we do some strength calculation, we often adopt the contrast method. Because many coefficients and operating conditions are not always accurate. Only by comparison with actual data can the calculation be more accurate. See topic "
I am from the gear processing to provide you with some reference, has greatly improved the negative our machining gear intuitively is weakened a lot, is the displacement of the gear machining, obviously feeling is "thick", it should be to prove your point, now is not convenient if it is convenient for me to see 2 photos as much change modulus. See topic "
Not long ago, I have been in work related numerical simulation of suspected or justified. On the bending strength of gear standard, which is confined in a hugh coefficient range is very accurate, single in general there are still a lot of deviation or view ".

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