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Dynabrade: Dynafile II Contact Arms

 

Dynafile II Contact Arms
For Air and Electric Models - 4" to 17" Workable Reach
All rubber Contact Wheels are 70 durometer, unless noted.
Optional 40078 Adapter
allows use of 24" long
belts. Extends reach
to 7" when used with
standard contact arms
Part Number
Comments
Belt Size
Contact Wheel Assembly
Platen Pad
(W x L)
(includes bearing & shaft)
• Work on broad areas
1/2" x 18"
• Leave in-line scratch
5/8" dia. x 3/8" wide, rubber
1/2" wide;
• Blend spot welds
Soft
• 45 PSIG maximum
1/2" x 18"
• Enter channels as
5/16" dia. x 3/8" wide, steel
1/2" wide;
small as 7/16"
Thin
• Enter 5/16" x 3/4"
1/4" x 18"
openings
5/8" dia. x 1/8" wide, rubber
1/4" wide;
Soft
Order 11312 for heavy-duty version.
• Standard on Models
1/2" x 18"
5/8" dia. x 3/8" wide, rubber
1/2" wide;
Soft
• Grind over contact
wheel or platen
• Unique offset design
1/8", 1/4"
11204: 11080 Wheel,
None
• Strap polishing is easy
or
1" dia. x 3/8" wide, 70 duro
with this arm
1/2" x 18"
11305: 11093 Wheel,
1" dia. x 3/8" wide, 40 duro
(Both wheels radiused rubber)
Order 11326 for heavy-duty version.
• Standard on Models
5/8" or
3/4" x 18"
3/4" dia. x 5/8" wide, rubber
3/4" wide;
and 40381
Hard
• 45 PSIG maximum
11220:
11220: 11352
None
• Offset design and minia-
5/8" or
5/16" dia. x 5/8" wide, steel
ture contact wheels
3/4" x 18"
• 2" strap polish in offset
All Others:
11300: 11332
None
area; polish turbine
1/2" x 18"
1/4" dia. x 3/8" wide, steel
blades and other
contours
11301: 11068
None
5/16" dia. x 3/8" wide, steel
11341: 11342
None
5/16" dia. x 3/8" wide, rubber
• Grind corners, enter
1/8" or
None
grooves, strap polish
1/4" x 18"
1" dia. x 3/8" wide,
• “V” shape wheel
urethane, tapered
• Optional 11024 Steel
1/2" x 24"
Platen Pad available
5/8" dia. x 3/8" wide, rubber
1/2" wide;
• 6-3/4" workable reach
Soft
• Standard on Model
5/8" or
3/4" x 20-1/2"
3/4" x 5/8" wide, rubber
3/4" wide;
• Grind on wheel or
Hard
platen
• 5-1/4" reach
Part Number
Comments
Belt Size
Contact Wheel Assembly
Platen Pad
(W x L)
(includes bearing & shaft)
• Work on broad areas;
1/2" x 18"
“The Banana Arm”
levels in-line scratch;
5/8" dia. x 3/8" wide, rubber
1/2" wide;
blend stainless
Hard
• Heavy-duty steel
1/2" x 18"
• Grind over contact
5/8" dia. x 3/8" wide, rubber
1/2" wide;
wheel or platen
Soft
• 45 PSIG maximum
1/4" x 18"
• File round openings
5/16" dia. x 1/8" wide, steel
1/4" wide;
as small as 7/16"
Soft
• For flat grinding using
1/2" x 18"
5/8" dia. x 3/8" wide, rubber
Offset Arm
platen at or near
1/2" wide;
corners and edges of
Hard
large radius round
• Contact wheel is offset
to prevent gouging
• 45 PSIG maximum
1/2" x 18"
• Work on contact wheel
7/16" dia. x 3/8" wide, rubber
1/2" wide;
or platen pad
Soft
• Guide-cut
1/2" x 18"
None
• Removes raised material
60 to 80 grit
5/8" dia. x 3/8" wide, rubber
within .020" or less
without undercutting
• For flat grinding and
1/2" x 18"
heavy stock removal
5/8" dia. x 3/8" wide, rubber
Steel
Platen
• Extra length arm
1/2" x 44"
• 17" workable reach
5/8" dia. x 3/8" wide, rubber
1/2" wide;
Soft
• Enter 1/2" x 1/2"
1/4" x 18"
openings
7/16" dia. x 1/8" wide, brass
1/4" wide;
Thin
• Enter channels as
1/2" x 18"
narrow as 9/16"
7/16" dia. x 3/8" wide, steel
1/2" wide;
Thin
• 45 PSIG maximum
3/4" x 34"
Optional
• Excellent for cleaning
5/16" dia. x 5/8" wide, steel
3/4" wide
oxide off electrical
bus bars
• Arm has a 12"
workable reach
• Unique offset design
1/2" x 18"
None
• Grind over contact
5/8" dia. x 3/8" wide, rubber
wheels or strap polish
USA Government
National Stock No. 5130012769560


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