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New Series of 14 Bellows Couplings from Sterling Instrument Feature Fairloc® Integral Fastening System
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Driven Product Finder & Current Prices
 A new series of 7 inch and 7 metric bellows couplings manufactured by Sterling Instrument feature the patented
Fairloc® integral hub fastening system which eliminates marred shafts. The choice of Fairloc® rotating component fastening system helps phase adjustment, timing, position adjustment and frequent removal problems while adding positive metal-to-metal fastening strength along both hub sections. It is compact, self-contained and offers a small coupling hub envelope.
The couplings, identified as the S50FP9 Series, feature zero backlash and are designed to correct for angular and parallel axis misalignment thereby permitting for looser tolerances in mounting components. In addition they absorb end play in shafts and dampen both vibration and noise levels. They are both easy to install and readily adjustable on the shaft. These couplings are designed to fit shafts ranging from 1/8" to 3/8" (3 mm to 12 mm) in diameter and have a maximum torque range of between 120 oz. in. to 300 oz. in. (0.85 Nm to 2.12 Nm). They can accommodate a maximum angular misalignment and parallel offset of 5° to 6° and .015" (0.4 mm) respectively. These couplings feature a phosphor bronze bellows section, brass hubs and a tin plate finish.
The Fairloc® system consists of two slots that are machined into the aluminum hub, one orientated radially the other angularly, to create a transverse wedge which remains attached to the solid portion of the hub on one side. The resultant cantilevered clamping section has a tapped hole to accept a cap screw which passes through a clearance hole in the solid portion of the hub, and into a threaded hole in the transverse wedge section. As the screw is tightened, the cantilevered section clamps the shaft securely. The screw can be tightened and released repeatedly without marring the shaft or affecting its torque transmitting abilities.
Additional specifications are contained in Catalog D790 and D785, available free upon request from Sterling Instrument, 2101 Jericho Turnpike,
P.O. Box 5416, New Hyde Park, New York 11042-5416. Phone: 516-328-3300 • Fax: 516-326-8827. Web:
http://www.sdp-si.com
NOTE TO
EDITOR: An
electronic version of this release can be downloaded at:
http://www.sdp-si.com/press/new/HiRes/Fairloc6_13.htm.
Images are 300 DPI at 3" wide.
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