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  • Bearing Wear
    Wear of plain bearings is influenced by the state of lubrication and, conversely, wear characteristics influence the various lubrication states. Hydrostatic bearings do not wear when operating properly because the bearing surfaces are separated by a film of oil. Erosion of flow restrictors
  • Understanding the Importance of Transducer Orientation
    When monitoring vibration on large gas or steam turbines and generators with fluid-film bearings, the relative movement of the shaft within the bearing is typically measured by a pair of shaft proximity (eddy current) transducers. Data from these transducers is used to produce a variety of plots
  • Proper Film Thickness key to Bearing Survival
    in Numerous oil and grease-lubricated bearing designs rely on adequate lubricant film thickness for smooth and trouble-free operation. Engineers must check that films are sufficiently thick so asperities peaks of surface roughness between mating surfaces don't touch. Otherwise, bearings can rapidly
  • Hydrostatic Bearings
    for a given recess pressure and bearing load. The gap establishes the volume of fluid pumped through the bearing. An alternative design is to connect a fluid displacement pump (gear or vane type) directly to each pocket without flow restriction. Pressurizing pump power can be estimated from
  • Bonded films take the "bite "
    material. The black and dark gray layers above the reinforcement particles are films that reduce friction and wear. Glass-filled engineering thermoplastics (GFTPs) can replace metals in many applications. GFTPs are lightweight, stiff, strong, and inert to most process fluids and corrosives
  • Keeping Thrust Bearings Cool
    of lubricants and equipment. Excessive heat buildup is not limited to sleeve bearings; thrust bearings can also benefit from some heat-dissipation techniques we investigated. Similar to sleeve bearings, the performance of fluid film thrust bearings substantially deteriorates as operating temperatures rise
  • Bearings that bear up
    Bearing selection looks at several key design metrics including anticipated loads, lifetime and reliability, ambient conditions, vibration, and cost. This information lets you choose between one of four basic bearing types: dry, semilubricated, fluid-film, or rolling-element bearings. Dry bearings
  • The attraction of Ferrofluid Bearings
    to control the speed of the bearing unit. Operation at elevated temperatures can as well alter lubricating-grease properties and shorten bearing life. In contrast, ferrofluid bearings that carry loads on a film of oil don't suffer

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