Bushings provide fast and firm connections
A
Zero-Max product story
Edited by the Engineeringtalk editorial team
Jan 31, 2008
When tightened, a single radial screw actuates a piston to compress the medium, expanding the bushing walls and creating a solid connection between shaft and hub.
ETP Express shaft locking bushings from Zero-Max minimise runout and system vibration.
They provide a strong, yet precise connection between keyless shafts and mounted components that can be installed in seconds.
Designed to lock gears, pulleys and other components to keyless shafts, ETP Express Bushings have a total indicated runout of less than 0.02mm.
This feature minimises component runout on rotating shafts, reducing machine vibration and noise.
"System designers are insisting on quieter machines in the workplace", Robert Mainz, Zero-Max Sales Manager said.
"ETP Express bushings can really help in this regard".
"They provide precision mounting of gears, pulleys, sprockets and other components on keyless shafts".
"They improve balance and reduce runout so systems operate with less vibration and are therefore quieter".
"Reduced vibration also means less stress on the machine and longer service life".
ETP Express bushings are designed with a double-walled hardened steel sleeve and flange filled with an actuating pressure medium.
When tightened, a single radial screw actuates a piston to compress the medium, thus expanding the bushing walls and creating a solid connection between shaft and hub.
ETP Express bushings handle torque ranges from 52Nm to 17,000Nm.
They are suitable for use in tight areas and where assembly needs to be verified.
Designed with just one radial adjusting screw, they are suitable for fast mounting, repositioning and phasing of components to shafts.
An Allen wrench is the only tool required to mount and lock these bushings into place.
They position in seconds and can be readjusted many times just as quickly and without any axial movement of the bushing or component along the keyless shaft.
ETP Express bushings are available in inch and metric sizes from 5/8 - 2in or 15 - 80mm.
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