New Video from SDP/SI Features Fairloc®, the Integral Rotating Component Fastening System


(New Hyde Park, NY; April 28, 2009) - Fastening rotating components to shafts becomes easier by incorporating Fairloc®, the integral fastener from Stock Drive Products (ISO 9001 registered) and Sterling Instrument (ISO 9001:2000+AS9100B registered) into your design. To demonstrate this unique, all-in-one fastening device, SDP/SI has produced a two-minute video entitled "Fairloc® - The Integral Fastener". The links to the video are:
http://www.sdp-si.com/web/email/fairloc/index.htm and/or www.youtube.com/watch?v=FMM8QsVyvq0.

Fairloc® is designed to solve phasing, timing, positioning and frequent removal problems which conventional fastening methods, such as clamps, keyways, pins or set screws cannot properly handle. The patented system offers several advantages including: built-in overload protection, full use of the bore, easy adjustment, and compact self-contained design. With the very economical Fairloc® system, the shaft remains smooth. Being self-contained, there is no additional inventory to stock. The component can be easily adjusted and is fully supported.

Here is how it works. Two slots are machined into the hub, one oriented 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.

In addition to the video, detailed specifications are contained in the 96-Page Fairloc® Catalog D243, available free upon request from Sterling Instrument. The 3,405 products in the catalog include inch and metric Fairloc® hubs, spur gears, timing belt pulleys, couplings, shaft extenders, shaft collars, and dials. Featured in the catalog are timing belt pulleys, which are shown in 6 pitches from .080" through 5.08 mm. The hub gears in the catalog represent the largest single product type and are shown in 120, 96, 80, 72, 64, 48, 32, and 24 Diametral Pitches and in Modules 0.5, 0.8, and 1. All products are available from off-the-shelf stock for immediate shipment.

For more information, or to request a free copy of the Fairloc® Catalog D243, contact Sterling Instrument, 2101 Jericho Turnpike, P.O. Box 5416, New Hyde Park, NY 11042-5416. Phone: 516-328-3300, Fax: 516-326-8827, Web: www.sdp-si.com/web/html/newprdfairloc2.htm

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