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Oldham coupling

The material of the sliding shaft coupling parts can be 45 steel, and the working surface needs to be heat treated to improve its hardness; Q275 steel can also be used for lower requirements without heat treatment. In order to reduce friction and wear, the oil hole in the middle plate should be lubricated with oil.

Unlike other couplings, the sliding shaft coupling does not have an elastic element that works like a spring, so it will not increase the bearing load because of the increase in relative displacement between shafts. In any case, this series of couplings is more than good value for money, the ability to choose different materials of the slider is an advantage of this coupling.