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Question:

Selection of couplings between reducer and main shaft

Hello Motor selection 1.5kW, 1450rpm, through the 800:1 reducer, the reducer and the main shaft of the coupling between how to choose? Reducer sample said, the output torque is 1864N.m, according to this torque selected couplings, got TL10#, it is too big, I was wrong? Consult an expert, thank you.

Answer:

According to the motor power to calculate, your torque is only 100, according to the aperture, select the minimum TL7 is more than enough, so do not recommend the sleeve, there is no buffer. Power KW= (torque N.M*, speed R/MIN) /9550
That's right. I calculate the torque of the motor according to the formula. It's about 15N.m, or you can talk about the diameter and length of the shaft of the motor and the reducer. I'll help you pick it
In general, the couplings are selected according to allowable rotational speed and allowable transmission torque. Of course, the installation of eccentricity accuracy requirements, and so on.The transmission torque 1864N.m is not small, and the radial dimension of the coupling will certainly not be small.
The output torque of the retarder is the rated torque that he can bear. It is not your actual output, how much 1.5KW motor can do! Don't get me wrong!

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