Research on Performance of MPIA/PTFE Union Fabric Used as Self-Lubricating Bearings Liner

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Self-lubricating bearings liner is a fabric that can extend the period of use of spherical plain bearing. In this paper, the structural parameter of self-lubricating bearings liner was discussed. Taking MPIA as warp, respectively the MPIA/PTFE twisting yarn and PET/PTFE twisting yarn as weft, we obtained 12 fabrics by changing the weft surface effect of fabric structure, linear density and twist of weft. Then, the wear resistance and frictional property of the fabrics were tested, and the relationship between the factors was analyzed. The data shows that the wear resistance and frictional properties of the fabric with change of different factors. In comprehensive, more suitable self-lubricating bearings liner can be made by selecting MPIA and MPIA/PTFE twisting yarn intertwined, increasing weft surface effect, with moderate weft twist factor, and increasing weft linear density.

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225-228

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September 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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