Electric Motor Repair Electric Motor Maintenance-Martindale Products
phone:  216-521-8567
fax:       216-521-9476
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"Comm-Pact" Grinding Tool
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Center Support for round brush arms, 1" diam, or less.  Adds 1-1/2" to height.
Long "L" Support for round brush arms, 1" diam. or less. Adds 7/8" to height.

Net Weight: 10 lbs. for 6" length,
Shipping Weight: 19 lbs. (w/case)

U-Support for round brush arms, 7/16" to 1-1/2" diam. Adds 1-1/4" to height.


Length:6", 8", 10", 12"
Width: (with knob) 7"
Height: (bottom of base to top of stone-holder bolt) 3-3/4" (add height of required support - see below)

Short "L" Support for round brush arms, 1" diam, or less.  Adds 7/8" to height.
Wedge Support for flat brush arms.  Adds 1-1/4" to height.
The "Comm-Pact" Grinding tool has a very low profile and is light-weight for use in confined spaces and on brush studs not heavy enough to support the weight of the large Commutator Grinder.  Available in 6", 8", 10", and 12" lengths, each of which can grind up to 2" longer than its base length.
The carriage travels on replaceable nylon V-blocks and is driven by a rack and pinion connected by a universal joint to a removable "speed-handle".  Standard 3/8" socket set extensions can be used to lengthen the drive handle.
Five different style mounting brackets are available including bushings for round brush arms from 1/2" to 1" diameter.  For flat brush arms a wedge support is offered.
Grinder with Carrying Case Supports and Accessories
Catalog Number         Catalog Number        
6" long GRDR106 Center Support GRDR200
8" long GRDR108 Long "L" Support (pair) GRDR201
10" long GRDR110 "U" Support GRDR202
12" long GRDR112 Short "L" Support (pair) GRDR203
  Wedge Support GRDR204
  6" Extension Handle GRDR205

Commstones for above:

1" × 1-1/2" × 6-1/2" COMMXLS847*

*When ordering, specify catalog number and grade (i.e. EC, C, M, F, P)
(See Commstone descriptions under (Abrasives / Commstones))