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bd40bc7c7a Motors designed with overlapping power strokes and accurate balancing are vibration-free at all speeds. Motors with four or more cylinders provide relatively smooth torque at a given operating speed because power pulses overlap: two or more pistons undergo a power stroke at any time within a revolution. Piston motors Piston air motors are used in applications requiring high power, high starting torque, and accurate speed control at low speeds. They boast a number of advantages over electric motors: • Because they do not require electrical power, air motors can be used in volatile atmospheres. Speed-limiting factors are the inertia of the moving parts (which has a greater effect in radial- than in axial-piston motors) and the design of the valve that controls inlet and exhaust to the pistons. However, axial-piston motors run smoother and deliver maximum power at much lower speeds than vane motors can. Radial-piston motors feature robust, oil-lubricated construction and are well-suited to continuous operation.
They must be mounted in a horizontal position to provide proper lubrication to bearing areas. However, at least one manufacturer offers a radial-piston motor with the shaft vertically-down as a standard configuration. Vane motors 123Next Print reprints Favorite EMAIL Tweet Advertisement Related ArticlesAir starter is small in size, big on power Air receivers Air compressors Engineering Essentials: Cylinders Low-speed/high-torque motors Advertisement Top Articles Danfoss Power Solutions to Acquire White Drive Products Bridging the Gap Between Education and Advanced Manufacturing Hydraulic-Electric Analogies: Hydraulic Power Conversion, Part 3 Tree Processor Comes Full Circle with Hydraulic Swivels Tough-Built Hydraulics Tackle Rough Terrain Hot Topics Automate With Air Fluid Power Handbook & Directory Digital Edition View All Advertisement Hydraulics Pneumatics Blogs Streamlining the Fluid-Power Supply Chain with Distributor Software by Leah Scully Posted 1 week ago in Fluid Power Talk FREE Webinar Aids Design of Compact Track Loader Drives by Alan Hitchcox Posted 6 weeks ago in The Hitch Post The REAL Value Of The Humble Hydraulic Symbol by Brendan Casey Posted 4 days ago in Hydraulics At Work Caterpillar Impacta con su Excavadora Hbrida by Ricardo Solorzano Posted 5 days ago in H&P en tu idioma! Advertisement Advertisement Advertisement Advertisement Hydraulics & Pneumatics Bookstore Our online bookstore features most of the industry’s most popular and classic technical training books available. • Air motors generate much less heat than electric motors. Your browser doesn't accept cookies. Rotary vane, axial- and radial-piston, and gerotor air motors are most commonly used for industrial applications. Maximum size is about 3 hp. Cookies are required to use this site. • Air motors operated directly from a plant air system are susceptible to speed and torque variations if system flow and pressure fluctuate. • Air motor speed can be regulated through simple flow-control valves instead of expensive and complicated electronic speed controls.