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Safety Information
Safety Goggles
Safety goggles or full face shields worn over safety
glasses with side shields must be worn by all
operators and others in the area of the brush and
abrasive operations. Comply with the requirements
of ANSI Z87.1 “Occupational Eye and Face
Protection”.
Guards
Keep all machine guards in place.
Speeds
Observe all speed restrictions indicated on
brushes, containers, labels, or printed in pertinent
literature. MSFS means Maximum Safe Free
Speed (RPM) – spinning free with no work applied.
For reasons of safety, MSFS or maximum RPM
should not be exceeded under any circumstances.
Protective Equipment
Appropriate protective clothing and equipment
must be used where there is a possibility of
injury that can be prevented by such clothing or
equipment.
Tool/Work Rest
On bench grinders and pedestal machines,
tool/work rests should be used to support the
work-piece during use. It should have a minimum
opening of 1/8” to the product face. Only adjust the
rest when the product is not in motion.
Safety Standards
Comply with the Safety Standards of the American
National Standards Institute ANSI B165.1 “Safety
Requirements – Power Brushes” and ANSI B7.1
“Safety Requirements – For the Use, Care and
Protection of Abrasive Wheels”.
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Brushing Pressure
Avoid excessive pressure when using a wire brush.
Excessive pressure causes over-bending of the filaments and heat build-up
resulting in filament breakage, rapid dulling and reduced brush life.
Instead of greater pressure, try the following:
1. A brush with more aggressive action (increase filament diameter,
decrease trim length, different brush type, i.e.: knot type instead of crimped
type).
2. Higher surface speed (increase RPM or brush diameter)
Important Note: Never exceed the recommended Maximum Safe Free Speed
or RPM rating of the brush.
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Recommended Surface Speeds for Brushing Applications
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Important: When running a wire brush, a rule of thumb is
to run it a “mile a minute” or a minimum of 5,000 Surface
Feet Per Minute (SFPM). Normally, higher surface
speeds result in faster cycle times and longer brush life.
However, never exceed the Maximum Safe Free Speed
(MSFS) or RPM of the brush.
Example: A 6” diameter wheel running at 3,450 RPM has
a surface speed of 5,400 SFPM.
SFPM = ð Dia. (Inches) x RPM/12
Table of Surface Speeds
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