How to choose the accuracy grade of the motor end cover and the type of fit
2022/05/09
The inner diameter of the bearing matched with the rolling bearing adopts the 7-level precision;
The type of fit depends on the bearing type and structural requirements.
The end caps of small motors generally use grade 7 accuracy, the end caps of medium-sized motors generally use grade 6 accuracy, and the end caps of large end caps use grade 9 accuracy.
General rules for selection of matching accuracy and roughness: H8/s7 is used for the joint between the small motor base and the end cover, and H7/j6 is used for the joint between the medium motor base and the end cover. The machining roughness is selected according to the type of fit, accuracy grade and diameter.
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2022-04-27
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