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The dynamic torque detection technology developed by JB BEARINGS can determine whether the oil seal assembly of the wheel hub unit is in a reasonable range by detecting the torque αNm, to ensure the effectiveness of the sealing system to the greatest extent.
The working environment of the agricultural hub unit is very harsh, and it is in the environment of dust and mud for a long time, which makes the hub unit have a better sealing structure. In order to meet the harsh sealing requirements, the general practice is to use a multi-lip skeleton oil seal, the multi-lip structure of the multi-lip skeleton oil seal can effectively form an air cavity, which can effectively block foreign mud and dust.
What is the relationship between sealing effect and torque?
The torque of the hub unit mainly comes from two parts, the torque of the hub unit itself and the torque generated by the seal. Under the action of a certain locking force, the torque generated by the rotation of the hub unit itself changes very little, generally less than 0.1Nm. More torque comes from the seal itself, seal in accordance with the actual needs of the design of the lip, in the oil seal combination assembly will produce a certain interference α, while producing a reasonable torque α Nm, it can make the seal structure in a reasonable state and play a role.
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