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  • Color printers for the design lab
    as a digital offset press on your desktop. The heart of the printer is a full-width printhead. In contrast to disposable printheads in ink-jet printers, solid-ink printheads last the lifetime of the product. Other critical printing elements include a print drum, drum-maintenance unit, and a pressure
  • Wireless Monitoring of Internal Wound Roll Pressures
    . Walker discusses how he used Tekscan's I-Scan (R) Pressure Mapping System to measure the dynamic roll pressure during the winding process. With the I-Scan system, he was able to map the pressure distribution of the nip roller to see the contact, pressure losses from roller imperfections, and pressure
  • Web Lines - Air Bubbles in Your Laminate
    Do you ever get bubbles in your laminate? Do your bubbles ever get "caught" and accumulate on the entry side of an idler roller? Do these accumulating bubbles build up enough pressure to delaminate your product? If yes, yes, yes, you are not alone.
  • How Pumps Work
    out. As the tube springs back, atmospheric pressure pushes more fluid into the tube. Before the first roller leaves the sealed condition, the second roller starts to squeeze the tubing tight. Now you have a rotary pump.
  • Pulse Tool Selection Best Practice: Focus on Ergonomics, Productivity and Low Maintenance Cost
    A Pulse tool has the speed of an impact wrench with nearly the repeatability of a clutch based shut-off tool. Containing precision-machined parts the pulse unit is a sealed chamber that is filled with a formulated hydraulic fluid. Pulse blades with a custom designed precision roller push the fluid
  • Mining Review Africa - Issue 5 2003
    Interparticle comminution reduces energy and wear costs Use of high pressure bed particle comminution, more commonly known as interparticle crushing, in gold leaching processes can significantly reduce energy and wear costs while at the same time improving gold recovery. Johannes Kottmann, managing
  • Cooler-running wheel bearings help racers burn up the track
    goes inside Timken RacePac wheel hubs. Conventional lip seals are replaced with steel rings that ride close to rotating hubs. The arrangement keeps out contaminants by using heat from bearing friction to build a pressure differential inside hubs. The units come preassembed, pregreased, and ready
  • Felt Seals
    Unlike lip seals and squeeze packings, felt seals require relative little shaft pressure to function effectively. They are commonly used near ball and roller bearings as lubricant retainers. Advantages of felts seals include: Wool felt resists dilute mineral-acid solutions, unless continuously

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