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  • Hydraulic Speed Control
    and seal integrity. The piston-rod assembly returns when the load on the rod is released. A spring acts on the diaphragm to create internal hydraulic pressure, and oil passes through return-flow holes and unseats the check valve. Because internal pressure acts on a larger area of the piston side
  • Relating material tests to Seal Performance
    Test reports provide a wealth of information for specifying seal materials. Dan Ewing Testing material hardness, fluid compatibility, compression set, and other factors helps predict how O-rings will perform in the field. When specifying seals for hydraulic, pneumatic, and fluidhandling systems
  • Everything you wanted to know about seals, almost
    best. After selecting a hydraulic rather than pneumatic application
  • Better than metal
    linerless cylinders offer features not commonly available with traditional metallic cylinders for fluid-power pneumatic and low-pressure hydraulic applications. The advanced composite helps improve properties between bore surfaces and piston seals. For example, seals wear less and there'll be little
  • Air spring key to robot handler
    to a minimal height. A metal-walled hydraulic cylinder simply could not handle the system requirements, says Rugheimer. "Another problem with a hydraulic cylinder is the seals. We run in a very harsh environment. Every time the cylinder retracts, it draws dirt into the seal, " he says. An air spring
  • Soft Actuators Tackle Hard Jobs
    Air actuators shake off contamination that can destroy traditional cylinders. For more than 50 years, air actuators have played a key role in many pneumatically powered machines. Air actuators differ from metal pneumatic and hydraulic cylinders in that they have no piston rods and cylinder barrels
  • Hannover Fair Focuses on Energy Efficiency
    largest industrialtechnology event combines 13 trade shows in one venue, including Motion, Drive & Automation (MDA) devoted to hydraulic, pneumatic, mechanical, and electrical power transmission and control. Other exhibitions cover industrial and process automation, conventional and renewable-energy

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