Compact brake holds heavy loads
A
White Drive Products product story
Edited by the Engineeringtalk editorial team
Aug 1, 2005
The SB brake line's compact design and large, static load-holding capacity makes it a cost effective alternative to standard SAE-B brakes.
New from White Hydraulics is the SB brake line.
"The SB brake line's compact design (137mm diameter by 115mm length) and large, static load-holding capacity (620Nm) makes it a cost effective alternative to standard SAE-B brakes for truck-mounted cranes, winches, aerial boom lifts, marine winches, recycling equipment, drill-rigs, specialty skid-steer attachments and other mobile applications", says Paul Klassy, Director of Marketing.
"The SB brake can be used in stand-alone applications or in conjunction with any SAE-A motor, including our RS, RE and HB series".
Directly coupled to the output shaft, the SB brake uses proven, spring-applied/pressure-release (SAPR), wet multiple-disc technology to provide fail-safe brake capability.
All wear components are fully immersed in (factory prefilled) fluid and are environmentally sealed to prevent contamination and corrosion while providing extended brake life and maintaining proper holding capacity.
The SB is ruggedly constructed with a cast iron housing, case hardened steel shaft, and cylindrical bearing to provide long life and quiet, trouble-free operation.
The brake is painted a standard dark metallic gray, however, black and no paint options are available.
It can handle side loads up to 22kN, and has minimum and maximum release pressures of 20 and 250bar, respectively.
The release pressure is applied through a 7/16-20 SAE O-ring or 1/4 -19 BSPP port, and is independent of motor pressure allowing it to be applied with the motor in series circuits and not be affected by motor backpressure.
The SB brake is available in five torque ranges from 225 to 620Nm.
Both two- and four-bolt output mounting options are available along with metric mounts, long (5.3mm) and short (2.8mm) pilots and a variety of input (25mm keyed and 1in 6B spline) and output (1in keyed, 25mm keyed, 32mm keyed and 1in 6B spline) shaft options making the SB brake globally interchangeable.
One brake can be used for either stand-alone or brake/motor combinations by removing the cover plate on the rear of the brake - adding to design flexibility.
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