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  • Ball Milling
    Ball milling and subsequent annealing is a simple method for the production of CNTs. It is well-established that mechanical attrition of this type can lead to fully nanoporous microstructures, it was not until a few years ago that CNTs of carbon and boron nitride were produced from these powders
  • Effects of Graphite Type, Purity and Concentration on Grease Performance (.pdf)
    from ASTM D2266 were augmented with graphs of coefficient of friction plotted as a function of time and optical micrographs of four-ball wear scars for each sample tested. Four-Ball Wear testing (D2266) shows that grease performance is a function of graphite type. There is very limited evidence
  • About Cobra Solid Lubricant (CSL)
    CSL (Cobra Solid Lubricants) is graphite based solid lubricant specifically designed for ball and roller bearings. It is a mixture of graphite and binders that is prepared in such a way as to allow the mixture to be injected into the clean bearing and then thermally cured to harden the mixture
  • 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
  • Talk About Speed and Life
    the maximum speed capability will be decreased , although it may still be acceptable for your application. The reason is that the CSL forms a barrier layer of graphite to prevent metal to metal contact between the ball and races of the bearing. In addition to preventing metal to metal contact, the CSL
  • Talk About Shaft and Housing Fits and Roundness
    When ball bearings have been processed with CSL, the CSL fills the entire space between the inner and outer race for the width of the bearing. It will mold around the cage and form to the geometry of that space. Since the graphite is a non-flexible solid, its roundness is determined
  • Medical Device Link .
    rotary tables. Speeds up to 250 rpm are possible on the rotation axis and up to 150 rpm on the swivel axis, with a swivel range of +-110 . A concrete polymer base provides rigidity, vibration dampening, and high thermal stability. Spindle motors are liquid cooled with hybrid ceramic ball bearings
  • History of Carbon Nanotubes -CNTs
    In 1980 we knew of only three forms of carbon, namely diamond, graphite, and amorphous carbon. Today we know there is a whole family of other forms of carbon. The first to be discovered was the hollow, cage-like buckminsterfullerene molecule - also known as the buckyball, or the C60 fullerene

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