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  • Application Considerations: Pneumatic or Electric Brakes & Clu
    What are the main differences between pneumatic brake and clutch assemblies versus electric brake and clutch assemblies? Pneumatic clutches and brakes use air cylinders to actuate and provide the normal force to transmit torque. They require 30-80 PSI of a clean compressed air...
  • Ground-fault interrupters
    in the system. The toroidal transformer detects this current and generates a signal in response that feeds to a highly sensitive electromagnetic relay. The relay mechanically actuates the tripping mechanism thereby instantaneously isolating the supply system. The National Electrical Code demands GFCI
  • Clutches
    clutches generally are the simplest and normally used where an operator can actuate the clutch manually. Vehicles, for example, typically use mechanical clutches. Electric clutches are generally used where remote actuation is required (as on automatic machinery) or where special slip characteristics
  • Gulliver's Engines
    Shrinking full-scale engines to pocket size is no small feat. A running quarter-scale model of a 1937 Harley Knucklehead V-Twin. An electric motor in the base starts the engine. The fuel tank sits where the generator would in the full-sized version. For size reference, adjusting the pushrods takes
  • The Basics of Electromagnetic Clutches and Brakes
    the years EM came to stand for electromagnetic, referring to the way the units actuate, but their basic operation has not changed. Electromagnetic clutches and brakes come in many forms, including tooth, multiple disc, hysteresis, and magnetic particle. However, the most widely used version

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