Product category:
Gears, brakes, couplings and engines
News Release from: Stock Drive Products/Sterling Instrument | Subject: S1VZ05M, S1VZ08M and S1VZ10M Series
Edited by the Engineeringtalk Editorial
Team on 05 August 2005
Acetal spur gears have integral hub
fasteners
A new series of precision 0.5, 0.8 and 1 module Acetal spur gears manufactured by Sterling Instrument are produced to ISO Class 7 specs with 303 stainless steel hubs.
A new series of precision 0.5, 0.8 and 1 module Acetal spur gears manufactured by Sterling Instrument are produced to ISO Class 7 specs with 303 stainless steel hubs They feature the Fairloc integral hub fastener
This article was originally published on Engineeringtalk on 10 Jul 2002 at 8.00am (UK)
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Fastening rotating components to shafts has become easier with the publication of the new 96-page "Handbook of Fairloc components, the integral fastener".
These 20-degree pressure angle metric gears are identified as the S1VZ05M, S1VZ08M and S1VZ10M Series.
Fairloc is a patented integral hub fastener which eliminates marred shafts.
The choice of Fairloc hubs permits frequent phase adjustment, timing and position adjustment while adding positive metal-to-metal fastening strength along both hub sections.
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.
They are stocked in 5mm face widths and are designed to fit shafts that are 5 or 8mm in diameter.
They are stocked in a range of sizes from 15 to 95mm in diameter and from 15 to 186 teeth.
Gears with 10mm bores are stocked without the Fairloc hubs.
Detailed specifications are contained in SI catalogue 785 available free on request from Sterling Instrument.
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