| 摘要 |
Lamellar clutch discs consisting of sheet steel and arranged in an enclosed housing filled with a viscous liquid medium for a fluid friction clutch are described. To achieve a torque transmission behavior of the clutch that will remain constant over long periods of time, the surfaces of the discs are to exhibit a roughness with an arithmetic mean rugosity Ra in the range between 0.2 and 2 microns and a profile depth Pt in the range between 2 and 15 microns. Furthermore, the distance between neighboring elevations of the rugosity profile is to lie in the range between 50 and 750 microns, and the surfaces are to have a wear-reducing nickel-phosphorus coating.
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