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Dynabrade: Dynafile Contact Arms

 

To maximize the life of 1/4" bearings
or smaller, lower the operating air
pressure to 45 PSIG (3.1 Bar) and
run the motor at a lower RPM.
Dynafile Contact Arms
4" to 14" Workable Reach
All rubber Contact Wheels are 70 durometer, unless noted.
Part Number
Comments
Belt Size
Contact Wheel Assembly
Platen Pad
(W x L)
(includes bearing & shaft)
• Up to 32" reach
11178:
11178:
None
• Enter slots as narrow
1/2" x 34"
11068 Wheel
as 3/8"
(9" reach)
(5/16" dia. steel)
• Deburr 1/2" to 1"
11179:
11179:
tubing
1/2" x 34"
11078 Wheel
11257: Custom-made. Specify length and contact wheel.
(9" reach)
(5/8" dia. rubber)
• 45 PSIG maximum
1/4" x 24"
• File round openings as
5/16" dia. x 1/8" wide, steel
1/4" wide;
small as 7/16"
Thin
• 45 PSIG maximum
1/2" x 24"
• See 11239 for
5/16" dia. x 3/8" wide, steel
1/2" wide;
heavy-duty version
Thin
• 45 PSIG maximum
1/2" x 24"
• Work on contact wheel
7/16" dia. x 3/8" wide, rubber
1/2" wide;
or platen pad
Soft
• Enter 1/2" x 1/2"
1/4" x 24"
openings
7/16" dia. x 1/8" wide, brass
1/4" wide;
Thin
• Enter 5/16" x 3/4"
1/4" x 24"
openings
5/8" dia. x 1/8" wide, rubber
1/4" wide;
Soft
• Enter channels as
1/2" x 24"
narrow as 9/16"
7/16" dia. x 3/8" wide, steel
1/2" wide;
Thin
• Standard on
1/2" x 24"
Model 14000
5/8" dia. x 3/8" wide, rubber
1/2" wide;
• See 11228 for
Soft
heavy-duty version
• No platen due to
1/4" or
11219: 11080 Wheel,
None
offset design
1/2" x 24"
1" dia. x 3/8" wide, 70 duro
• Ideal for slack
11252: 11093 Wheel,
polishing; also
1" dia. x 3/8" wide, 40 duro
grinding radiuses
(Both wheels radiused rubber)
• Heavy-duty steel
1/2" x 24"
• Optional 11028
5/8" dia. x 3/8" wide, rubber
1/2" wide;
Steel Platen available
Soft
for grinding
• See 11243 for
1/2" x 24"
heavy-duty version
3/4" dia. x 1/2" wide, rubber
1/2" wide;
Hard
• For 1/8" wide belts
1/8" or 1/4"
None
“V” Shaped Wheel
• No platen due to
x 24"
1" dia. x 3/8" wide, 90 duro,
offset design
tapered urethane
• Grind corners,
strap polish
• Deburrs both edges of
1/2" x 34"
11080 (two)
None
workpiece simultaneously
1" dia. x 3/8" wide, rubber
• Contact wheels adjust
for material 1/8" to
5/8" thick
• 45 PSIG maximum
11237:
11237: 5/16" dia. x 1/8"
None
Turbine Blade Arm
• For use on turbine blades
1/4" x 24"
wide, steel wheel
• Reach areas as small as
11238:
11238: 1/4" dia. x 3/8" wide,
5/16" wide
1/2" x 24"
steel (Consists of three
• 1-1/2" strap polish area
11051 Bearings)
• 45 PSIG maximum
1/2" x 24"
• Heavy-duty steel
5/16" dia. x 3/8" wide, steel
1/2" wide;
• Grind in narrow areas
Thin
• 9" workable reach
1/2" x 34"
• Optional 11024 Steel
5/8" dia. x 3/8" wide, rubber
1/2" wide;
Platen Pad available
Soft
• 9" workable reach
1/4" x 34"
5/8" dia. x 1/8" wide, rubber
1/4" wide;
Soft
• Heavy-duty steel
1/2" x 24"
• Grind over contact
3/4" dia. x 1/2" wide, rubber
1/2" wide;
wheel or platen pad
Hard
• 14" workable reach
11244:
• Optional 11024 Steel
1/2" x 44"
5/8" dia. x 3/8" wide, rubber
1/2" wide;
Platen Pad available
11245:
Soft
1/4" x 44"
• Grinds and polishes
1/4" to 1/2"
1/4" to 1/2" wide wheels,
Big Wheel Arm
deep slots or narrow
x 34"
2-1/8" to 4-3/4" diameter
grooves
(specify size)
• I.D. polish, deburr or
1/2" x 34"
None
Cross Bow Arm
ream with one 180°
5/8" dia. x 3/8" wide, rubber
wrist turn
• Deburr leading radius of
1" to 4" round openings
• Great for pipe fitters
• Blend stainless steel
1/2" x 24"
Stroke Sander Arm
5/8" dia. x 3/8" wide, rubber
1/2" wide;
Soft
7/16" dia. x 3/8” wide, steel
• For in-line scratch
1/2" x 24"
“The Banana Arm”
pattern
5/8" dia. x 3/8" wide, rubber
1/2" wide
• For flat grinding using
1/2" x 24"
Offset Arm
platen at or near
5/8" dia. x 3/8" wide, rubber
1/2" wide;
corners and edges of
Hard
large radiuses
• Contact wheel is offset
to prevent gouging
• Guide wheels prevent
1/2" x 24"
None
Guide-Cut Arm
undercutting
60 to 80 grit
5/8" dia. x 3/8" wide, rubber
• Removes raised material
within .020" or less
• Use 60 to 80 grit belts
• Grind over contact
1/2" x 24"
wheel or platen
5/8" dia. x 3/8" wide, rubber
1/2" wide;
• Heavy-duty applications
Soft
Part Number
Comments
Belt Size
Contact Wheel Assembly
Platen Pad
(W x L)
(includes bearing & shaft)


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