Backlash-free Couplings

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In bore sizes from 2 to 28 mm

Motors & Drives

Backlash-free Couplings
Backlash-free Couplings

For high technology applications such as test and measurement, inspection, semiconductor, solar panel production equipment as well as medical devices, Ruland beam and oldham couplings are offered in a variety of body sizes with bore sizes from 2 to 28 mm. While both coupling types are backlash-free and feature misalignment capabilities, small performance differences make the choice of coupling critical depending on application parameters. Oldham couplings are comprised of two aluminum hubs with drive tenons that mate with a floating center member. This design allows for easy sliding to accommodate misalignment. Oldham couplings have very light bearing loads since the only resistance caused by misalignment is frictional. They also have the advantages of electrical isolation. The couplings accommodate angular and axial misalignment, but are especially useful in applications where parallel misalignment is present. The replaceable center discs are available in two materials, offering different levels of torsional rigidity. Beam couplings have overlapping spiral cuts in a single piece of aluminum.  The spiral cuts accommodate angular misalignment, parallel misalignment, and axial motion. The one-piece design and cut pattern ensure backlash-free operation and allow for a small amount of shock absorption. Beam couplings are especially suitable when angular or complex misalignment is present. Stainless steel versions are also available for applications requiring higher torque transmission capabilities. The complete line of products includes shaft collars and rigid couplings, and a full line of motion control couplings: beam couplings, bellows couplings, oldham couplings, miniature disc couplings and zero backlash jaw couplings.

Edited by: Teoman Tugsuz

Posted on February 25, 2011 - (4204 views)
Ruland Manufacturing Co Inc.
6 Hayes Memorial Drive
01752 Marlborough - USA
+1-508-4851000
+1-508-4859000
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