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  • The Bonded-On Bearing
    They are good enough for NASCAR engines. Bonded bearing surfaces are coatings made from high-performance polymers reinforced with hard nanosized particles. Edited by Jean M. Hoffman Most engineers would jump at the chance to replace bearing inserts with dry lubricants. In many cases, of course
  • Why is PTFE Better Than Grease for Bushing Lubricants?
    A bushing's load and dynamic speed condition create heat through high surface interaction that generates friction. Heat, if not properly adjusted, will cause a bearing to fail. Lubrication is the key element in controlling bushing
  • Magnalube-G Case Study - Duke University
    Conditioning Refrigeration Department reported greatly reduced bearing trouble and, consequently, less equipment downtime in pumps and motors after he switched from conventional greases to PTFE reinforced grease.
  • 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
  • Direct-bond bearings challenge inserts
    , air cylinders, gas springs, solenoids, valve shuttles, small pumps, servomotors, and hydraulic and mechanical actuators. Bearings made of glass and bronze-filled PTFE or nylon go in machined bores and housings and are held in place by press fits, snap rings, staking, or pins. Most of the bearing
  • Lube-for-life journal bearings
    to embed allowing the film transfer (lubrication) process to continue unabated. The pin (mating surface) before and after PTFE film transfer begins. During break-in, PTFE fills valleys on the shaft. Once the process is completed, the coefficient of friction stabilizes and bearing wear practically
  • Why are Rod End and Spherical Bearings Teflon-lined?
    A PTFE (Du Pont trademarked product) liner in a spherical bearing or rod end is a component that allows the unit to be "self-lubricating". Metal on metal bearings need to be lubricated. In certain applications this can be difficult to accomplish. Grease lubrication attracts dirt and may prematurely
  • Nonlubed leadscrews
    PTFE-based coatings reduce leadscrew wear while practically eliminating maintenance. The stainless-steel leadscrews have threads coated with Danaher Motion's TriCoat PTFE-based solid-film lubricant. They perform well without oil or grease and with little to no maintenance even in environments
  • Plane Bearings That Grease Themselves
    , and a chain running through a channel are all examples of plane bearing. Sleeve or flange bushings, thrust washers, linear-slide plates, friction bearings, and wear pads all fall into the plane-bearing category. If there are no balls, needles, retainers, or races, it 's a plane bearing. In addition
  • Rolling-ring actuators spool up production, cut costs
    Rolling-ring bearings are basically standard ball bearings but with a ridge machined into the inner race. Just the ridge apex makes contact with a smooth, threadless shaft inserted in the bearing bore. The resulting clearance permits angling the bearing left or right while maintaining continuous
  • Bearings take the heat
    and oil lubricants aren't an option. Graphite-metal alloy bearings, in contrast, can operate dry for over 50 hr in some cases until fluid is reintroduced. Agrease-filled ball bearing on an oven-door latch seizes and keeps the door from latching. It turns out the +550 F oven temperatures over time
  • Bonded films take the "bite "
    . The film cross section is similar to that of a bronzefilled, DU-style bearing with a PTFE top layer. Other formulations exceed the wear rate of bronze but with lower inherent dry friction.
  • Pharmaceutical WFI Water
    of turbine flowmeters incorporates a design that is fully cleaned when flushed. Furthermore, this series of flowmeters is available with a hard carbon composite sleeve bearing that is suitable for steam cleaning. Other turbine flowmeter manufacturers offer sanitary turbine flowmeters with Rulon (a PTFE

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