Why Can’t the Cardan Shaft Add Oil?
Take the common SWC350BH universal joint shaft as an example. After calculation, the clearance space in a single bearing sleeve is about 97000mm³without oil injection. As the assembly generally uses a four-point lubrication method, during assembly of the assembly, the operator will pre-lubricate the bearings in the four directions one by one. Some users sometimes encounter the situation that the oil cannot be added.
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