Abstract
The tractive capacity of rolling with superimposed spinning motion in elastohydrodynamic lubrication is analysed on the basis of a simplification, that the contact area can be divided into strips in the direction of rolling and that the total traction carried by the contact can be obtained from the sum of these strips.
For the contact conditions considered here, the slide (or creep) occurs in the rolling direction. It is shown that the traction versus slide relationship for this situation can be constructed from the basic traction data of the lubricant provided by a two-disc machine.
The results can be used to assess the performance of a rolling contact drive design. The analysis also highlights the essential ***rheological properties of a good transmission fluid.
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