BARBER COLMAN 4-4HRS

Gear Hob Sharpener
For sharpening straight and spiral gash hobs.

SPECIFICATIONS:
Max. Rated Work Diameter.................................................4"
Max. Rated Work Length...................................................4"
Max. Distance Workspindle Face to Tail Center...........................15"
Max. Depth of Flute..................................................0.875"
Number of Gashes Accommodated, Max./Min. .............................20/3
(when equipped with suitable index plates)
Table Stroke Length Max./Min. .....................................7.75"/3"
Max. Number of Table Strokes per min. ..................................35
Max. Grinding Wheel Diameter.............................................7"
Grinding Wheel Spindle Speed......................................3000 RPM
Wheel Angle Setting Max. Degrees Right or Left..........................40
Max. Vertical Wheel Adjustment...........................................4"
Max. Rake Adjustment (Pos. or Neg.)................................... 0.5"
Max. Tangent Bar Setting..........................................25.5 Deg.
Min. Lead.............................................................19.7"
Floor Space, Approx., L x W x H.............................42" x 32" x 70"
Approx. Weight...................................................2,500 lbs.

THIS MACHINE IS EQUIPPED WITH THE FOLLOWING:
* Tailstock with Center
* (3) Index plates