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Dynafile® II Contact Arms

For Air and Electric Models - 4" to 17" Workable Reach

Part No.

40078 Adapter allows use of 24" long belts. Extends reach to 7" when used with standard contact arms

Part No.
40078	Adapter allows use of 24" long belts. Extends reach to 7" when used with standard contact arms

Part No. Comments Belt Size
(W x L) Contact Wheel Assembly
(incld. bearing & shaft) Platen Pad

11200

Work on broad areas

Leave in-line scratch

Blend spot welds

1/2" x 18"
11088 - 5/8" dia. x 3/8" wide, rubber

11025 - 1/2" wide

11201

45 PSIG maximum
Enter channels as small as 7/16"
1/2" x 18"
11068 - 5/16" dia. x 3/8" wide, steel

11027 - 1/2" wide

11202

Enter 5/16" x 3/4" openings
1/4" x 18"
11074 - 5/8" dia. x 1/8" wide, rubber

11032 - 1/4" wide

11203
Order 11312 for heavy-duty version.

Standard on models 40335 and 40590

Grind over contact wheel or platen

1/2" x 18"
11078 - 5/8" dia. x 3/8" wide, rubber

11025 - 1/2" wide

11204

Unique offset design

Strap polishing is easy with this arm

1/8", 1/4" or 1/2" x 18"
11080 - 1" dia. x 3/8" wide, radiused rubber
None

11206
Order 11326 for heavy-duty version.

Standard on models 40320 and 40330

5/8" or 3/4" x 18"
11282 - 3/4" dia. x 5/8" wide, rubber

11109 - 3/4" wide

11220 11300 11301 11341

45 PSIG maximum

Offset design and miniature contact wheels

2" strap polish in offset area; polish turbine blades and other contours

11220: 5/8" or 3/4" x 18"

All Others: 1/2" x 18"

11220: 11352 - 5/16" dia. x 5/8" wide, steel

11300: 11332 - 1/4" dia. x 3/8" wide, steel

11301: 11068 - 5/16" dia. x 3/8" wide, steel

11341:11342 - 5/16" dia. x 3/8" wide, rubber

11220: None

11300: None

11301: None

11341: None

11280

Grind corners, enter grooves, strap polish

"V" shape wheel

1/8" or 1/4" x 18"
11086 - 1" dia. x 3/8" wide, urethane, tapered
None

11286

11024 Steel Platen available

6-3/4" workable reach

1/2" x 24"
11078 - 5/8" dia. x 3/8" wide, rubber

11025 - 1/2" wide

11287

Standard on Model 40326

Grind on wheel or platen

5-1/4" reach

5/8" or 3/4" x 20-1/2"
11282 - 3/4" x 5/8" wide, rubber

11109 - 3/4" wide

11304
"The Banana Arm"

Work on broad areas; levels in-line scratch; blend stainless

1/2" x 18"
11078 - 5/8" dia. x 3/8" wide, rubber

11132 - 1/2" wide

11312

Heavy-duty steel

Grind over contact wheel or platen

1/2" x 18"
11078 - 5/8" dia. x 3/8" wide, rubber

11025 - 1/2" wide

11314

45 PSIG maximum

File round openings as small as 7/16"

1/4" x 18"
11066 - 5/16" dia. x 1/8" wide, steel

11034 - 1/4" wide

11320
Offset Arm

For flat grinding using platen at or near corners and edges of large radius round

Contact wheel is offset to prevent gouging

1/2" x 18" 5/8" dia. x 3/8" wide, rubber
11026 - 1/2" wide

11321

45 PSIG maximum

Work on contact wheel or platen pad

1/2" x 18"
11070 - 7/16" dia. x 3/8" wide, rubber

11025 - 1/2" wide

11322

Guide-cut

Removes raised material within .020" or less without undercutting

1/2" x 18" 60 to 80 grit
11090 - 5/8" dia. x 3/8" wide, rubber
None

11329

Extra length arm

17" workable reach

1/2" x 44"
11078 - 5/8" dia. x 3/8" wide, rubber

11025 - 1/2" wide

11330

Enter 1/2" x 1/2" openings

1/4" x 18"
11072 - 7/16" dia. x 1/8" wide, brass

11034 - 1/4" wide

11337

Enter channels as narrow as 9/16"

1/2" x 18"
11076 - 7/16" dia. x 3/8" wide, steel

11027 - 1/2" wide

11350

45 PSIG maximum

Excellent for cleaning oxide off electrical bus bars

Arm has a 12" workable reach

3/4" x 34"
11352 - 5/16" dia. x 5/8" wide, steel
Optional 3/4" wide

11360

Unique offset design

Grind over contact wheels or strap polish

1/2" x 18"
11078 - 5/8" dia. x 3/8" wide, rubberl
None

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