Hysteresis Brake & Clutch Accessories

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                    [post_content] => Pure Hysteresis Brakes produce torque strictly through a magnetic air gap without the use of magnetic particles or friction components. This method of braking provides far superior operating characteristics (smoother torque, longer life, superior repeatability, high degree of controllability, and less maintenance and down time) which make them the preferred choice for precise tension control during the processing of nearly any material, web or strand.
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                    [post_content] => Since 1953, Magtrol has created literally thousands of special and modified brake and clutch designs to help solve specific application problems for our customers.
Common Specials and Modifications Include:

 	
Non-Standard Coil Voltages
 	
Special Shaft Configurations: keyways, flats, holes, hollow
 	
Extended Shafts
 	
Forced Air Cooled Brakes
 	
Adjustable Permanent Magnet Brakes
 	
Speed Pickups
 	
Special Mounting Configurations
 	
Nonstandard Lead: material, lengths, location
 	
Higher Torque Devices
 	
High Speed Units
 	
Brake/Clutch Combinations
 	
Dust Covers

                    [post_title] => Hysteresis Device Special Designs & Modifications
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                    [post_content] => For many years Magtrol has designed Hysteresis Brakes with large bores, and without a shaft or bearings. These brakes are used for superior tension control for helical wrapping, braiding and other feed through applications. Magtrol Large Bore Brakes are used in machines for manufacturing cable, wire, fiber optic cable, rope and tape, among others. Magtrol Large Bore Brakes provide smooth, repeatable torque, largely independent of speed. Maximum speeds up to 8000 rpm are available.

These brakesconsist of two primary parts: a pole/case assembly and a rotor. The pole/case assembly is usually mounted in a stationary position within the machine, while the rotor is shaft mounted concentrically within the pole/case assembly.

The pole/case assembly and rotor are available are manufactured in standard bore sizes and hole patterns. Variations to the standard dimensions can be made based on customer requirements. Certain modifications to the brake, such as a larger bore dimension, may impact its performance ratings. Additional options available include rotor mounting flanges, power supplies, torque-current curves and other coil voltages. Contact Magtrol for more information.
Operating Considerations
Alignment Notes

 	


 	
The pole/case assembly and the rotor are shipped as separate items.
 	
It is the responsibility of the machine designer to assure proper alignment of the mating brake parts in the final assembly.
 	
These components must be mounted so that the concentricity and perpendicularity between the rotor and pole does not exceed the specified tolerances.
 	
Refer to individual LB model drawings for further details.



Additional Information
At the standard bore diameters, actual brake torque at rated current will normally exceed the minimum guaranteed values. Larger bore diameters can be provided, however, reductions in performance will result as bore diameters are increased. Any modification to a large bore brake should be reviewed in detail with Magtrol before ordering.
 
                    [post_title] => LB Series - Large Bore Brakes
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                    [post_content] => When torque control/torque measurement must be performed at the highest possible power, Magtrol AHB Series Hysteresis Brakes are ideal. Passages running through the brakes enables compressed air cooling, providing excellent heat dissipation. This design allows for continuous power ratings up to 3000 watts (5300 watts intermittent). Use of pre-loaded bearings in the AHB Series Hysteresis Brakes allows operation at speeds of up to 25,000 rpm for extended durations. AHB Brakes are conveniently base mounted. Base mounting, with integral barrier type terminal strip, provides easy mounting and wiring.
                    [post_title] => AHB Series - Compressed-air-cooled Hysteresis Brakes
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