Product category:
Chains and belts
News Release from: Stock Drive Products/Sterling Instrument | Subject: A 6H 25 and A 6H 25M Series
Edited by the Engineeringtalk Editorial
Team on 11 October 2005
Timing belt pulleys are easy to fit
A new series of 5mm-pitch timing belt pulleys for 9mm wide belts, manufactured by Stock Drive Products, feature the patented Fairloc integral hub fastening system.
A new series of 5mm-pitch timing belt pulleys for 9mm wide belts, manufactured by Stock Drive Products, feature the patented Fairloc integral hub fastening system 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 the entire width of the pulley to reduce wobble or misalignment
This article was originally published on Engineeringtalk on 23 Dec 2005 at 8.00am (UK)
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Fasteners get to grip with hubs
Fastening rotating components to shafts has become easier with the publication of the new 96-page "Handbook of Fairloc components, the integral fastener".
It is compact, self-contained and offers a small pulley hub envelope.
The Fairloc system consists of two slots that are machined into the aluminium 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.
The design offers the best of both worlds - the economy of the overmoulded black glass-fibre-reinforced polycarbonate pulleys plus the positive fastening characteristics of metal-to-metal contact.
There are 34 different models in the A 6H 25 (inch) Series and the A 6H 25M (metric) Series, all available from off-the-shelf stock in double or single flange styles.
They are designed to fit onto shafts that range from 4 to 8mm in diameter.
The number of grooves per pulley ranges from 11 to 50.
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