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Product Bulletin
Brake Pad Replacement Instructions
Case History
Tension Control Equipment Specification Form
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Universal Actuator
Braking force is applied between the two disks on
opposing sides of a dual disk brake by DFE's time-proven Universal ActuatorTM.
Each actuator is comprised of twin brake cylinders that can be activated
independently.
We refer to the actuator as Universal because
of its simple interchangeability between dual disk brakes of different sizes.
The same actuator is used in varying quantities for DFE Dual Disk Brakes from
the 90 Series on up.
The Universal Actuator is also interchangeable with
the pneumatic cylinder assemblies on some of the standard dual disk brakes of
other manufacturers. An example of a Universal Actuator retrofit we completed
at International Paper is described in a case history (pdf) .
Advantages of the Dual Disk brake with Universal
Actuator design include hassle-free friction pad removal and installation--no
tools are required to change brake pads, a patented quick-change pad release
lock, a limited travel actuator piston that prevents disk scoring, and a return
spring that cannot puncture the actuator diaphragm.
Benefits of a Universal ActuatorTM Assembly
- Proprietary 'quick-change' release locks allow friction
pads to be changed out in seconds without tools. Because
the machine operator can do this himself, downtime for pad
changes by maintenance personnel is eliminated. Actuator
bolts never need to be loosened to make pad changes.
- Zero-maintenance piston design. The piston diaphragms
are sealed from contact with the actuator spring. This feature,
in conjunction with DFE's limited-travel piston, has eliminated
the possibility of a blown diaphragm. The limited-travel
pistons also prevent disk scoring.
- All DFE products are warranted to be free of defects in
material and workmanship for 5 years--the industry's longest
warranty.
- Replacing the existing actuator assembly with DFE's user-friendly
alternative is more efficient and less expensive than replacing
an entire brake. Savings are substantial if upgrading multiple
unwinds.
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