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  1. gentcho

    Elevator Design Safety Factors

    Hi Perrins, 1. For a portable ski tow SF for cable is 4 - 4.5 2. SF for transmission - >1.5* Mdyn.max 3. SF for drum axe, pillow block bearings, fasteners and others >2.5*Max.dynamic Load 4.??? Success, G.
  2. gentcho

    Material to slide on Stainless Steel

    The jerking is self-exited oscilations in the elastic system of the gate and actuator caused by the falling characteristic of the friction in relation of the velocity between plates and guides. To avoid the oscilation you need to minimize the diference between friction at rest and friction at...
  3. gentcho

    plain bearing problem

    The right clearance (D-d) acc. Huette 27 auflage (1951) is app. (D-d)/D = 0.001; more precise see in Mashinery's handbook 25 ed. pp.2118-2130.
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