Ryobi HG500 User Manual Page 3

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407
8
Weiler Brush
Vendor Code: WB
Problem Cause Recommended Solutions
Slow cut rate
Insufficient power being used
Increase feed rate; run machine at full power
Contact area too large Reduce contact area
Side run out Check for spindle run out
Wheel binding Provide relief under part
Workpiece burn
Insufficient feed rate Increase feed rate
Wheel speed too slow Check for wheel slippage
Wheel too coarse Use finer grit or increase powe
r
Non-square
cuts
Work not properly fixtured Support both sides and fixture properly
Worn spindle bearings Check spindle
Too much burr
Improper fixturing Check part fixturing
Grit too coarse Use a finer grit
There are many variables in using Cut-Off Wheels. If the product you are using does not accomplish the
desired
results, select a solution from the suggestions below for your specific application.
General Operating Recommendations for Cut-Off Wheels
Wheel
Work
Use
an oscillating head when cutting
thicker cross sections (over 3"). This
reduces arc of contact and permits
larger sections to be cut with a given
diameter wheel.
Flanges should be of equal diameter, recessed and at least one-third
the diameter of the wheel.
Counter rotation of the work-piece is recommended
for cutting large cross sections (over 8") and when
cutting tubular stock.
INCORRECT
INCORRECT
(Wide
contact point)
Angle Iron
Profile
CORRECT
Operation Guide for Cut-Off Wheels
RPM
T
o maximize performance, run at or close to the Maximum Safe Free Speed or RPM.
NEVER EXCEED the MSFS or RPM.
Feed Rate
Only
the operator can determine if the feed rate is proper for an efficient operation.
A good starting point for dry cutting most materials is 2-3 seconds per square inch.
Abrasive users and others in area must wear goggles or face shields over safety glasses.
Safety guards must be used. Do not exceed maximum RPM.
Application Solutions Guide For Cut-off Wheels
Safety
Cut-Off Wheel Technical Information
Cut-off Wheel Technical Information
Angle Iron
Profile
Fixture work-piece to minimize wheel
contact area for a faster, cooler cut.
CORRECT
(T
wo small contact points)
Work
Wheel
Abrasives and Industrial Brushes Bonded
www.middlesexgases.com
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