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  • Different Types of Bulkhead Shaft Seals
    A breakdown of the different types of bulkead sealing equipment available on the market today: *Pressure Activated Composite Rings. *Dry Carbon Seals. *HydroActive Seals
  • Lube-for-life journal bearings
    Composite journal bearings can operate without external lubrication, even in harsh environments that challenge most conventional types. Lube-free composite journal bearings from Polygon, Co., Walkerton, Ind., use interwoven PTFE super filaments. The material provides small pockets for contaminants
  • Plastic Bearings
    loads. Composite materials that consist of cotton fabric, or other fillers bonded with phenolic resin. The compatibility of the phenolics makes them easily lubricated by various fluids. They have replaced wood bearings and metals in such applications as propeller and rubber-shaft bearings in ships
  • Proper Film Thickness key to Bearing Survival
    wear and fail. Step one is to estimate film thickness. A film thickness parameter, , quantifies the composite surface roughness for mating surfaces: = the rms surface finishes of surface 1 and 2, respectively. When starting with a normal distribution of surface heights, multiply the arithmetic
  • Precision coupling "shock proofs'' innovative packer
    the Zero-Max CD coupling between the servomotor and speed reducer. Zero-Max CD Double Flex couplings handle misalignment up to 3 angular, 0.137-in.. parallel and 0.5-in. axial, depending on size. They come in 1.85 to 12-in. diameters and handle up to 47,200 lb-in. of torque. A durable composite disc
  • Plain Bearings Outperform Rolling-Element Bearings
    requirements. * Larger contact areas let plain bearings bear more load, resist shocks, and tolerate misalignment. Basics of Design Engineering: Bearing topics, "Composite bearings keep heavy equipment on track, " MACHINE DESIGN, Nov. 18, 2004, , 700 Mid Atlantic Pkwy., Box 189, Thorofare, NJ 08086

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