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KEYLESS LOCKING DEVICES ( Shaft-hub coupling; Key less bushing)
The D&Y brand is synonymous with world class quality, engineering excellence
and unrivaled customer support. D&Y Keyless Bushings provide a high capacity, zero-backlash shaft-to-hub connection by using the simple wedge principle. An axial force is applied by series of annular screws to engage circular steel rings and mating tapers. The resulting wedge action creates a radial force on the tapered rings, one of which contracts to squeeze the shaft while the other expands and presses into the component bore.
Features
Versus Traditional Keyed Connections
■No Backlash due to fit tolerances
■No impact effect from reversing loads
■Ability to adjust axial position and angular timing
■No fretting corrosion due to movement at the fit interface
Versus Traditional Interference Fits
■Easier and quicker to install
■Higher contact pressures can transmit greater torques
■Easy and quick to remove without damaging the shaft or hub - even after years of service
Design Benefits
■Eliminate cost of machining keyways or splines
■Reduce the shaft stress by removing keyways or splines
■Eliminating keyways often allows the use of a smaller diameter shaft
■Can place anywhere on shaft, and allows for easy angular timing
■Easy removal without damaging the shaft or hub means easier maintenance for your customer
If you are interested in it ,pls contact us by mail : 18678298972@163.com
Or visit our web http://www.lfreducer.com