Product category:
Gears, brakes, couplings and engines
News Release from: Stock Drive Products/Sterling Instrument | Subject: Fairloc integral hub fastener
Edited by the Engineeringtalk Editorial
Team on 11 October 2007
Fasteners eliminate hub clamps
Fairloc hubs offers the benefits of frequent position adjustment, while adding positive metal-to-metal fastening strength along the entire hub surface.
2mm pitch GT2 aluminium timing belt pulleys for 6mm belts manufactured by Stock Drive Products feature the Fairloc integral hub fastening design which eliminates the need for conventional separate hub clamp devices Fairloc hubs offers the benefits of frequent position adjustment, while adding positive metal-to-metal fastening strength along the entire hub surface
This article was originally published on Engineeringtalk on 13 Sep 2005 at 8.00am (UK)
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The S1VZ05M, S1VZ08M and S1VZ10M are 20 degree, pressure angle metric gears that feature the Fairloc integral hub fastener.
Identified as the A 6D51 (inch) and A 6D51M (metric) series, these 44 GT2 pulleys are made of clear anodised aluminium alloy and are available from stock in 15 to 120 grooves.
Bore sizes range from 0.1875 to 0.375 inches and 6 to 10mm They are available in double or no-flange types.
SDP stocks a wide variety of other GT2 size pulleys in different materials and for different belt widths.
The Fairloc integral hub fastener consists of two slots that are machined into the hub, one 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.
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