OVERTON MODEL HD-250 GEAR HOBBER

Maximum workpiece diameter 9.8"
Maximum pitch 4 D.P.
Maximum axial travel 11"
Maximum tangential travel of hob head 5.9"
Maximum helix angle of hob head +/- 45 degrees
Maximum hob diameter 5.1"
Minimum number of teeth to be cut 8
Maximum hob shift travel 5.9"
Center distance (workpiece to hob) 1.2" - 8.3"
Diameter of table 12.2"
Diamter of table bore2.7"
Cutting feed range
Axial .028" - .248"
Tangential .004"- .157"
Radial .002" - .078"
Rapid feed range
Axial 14.17 IPM
Tangential 8.67 IPM
Radial 14.17 IPM
Hob speeds 56 - 335 RPM
Capable of hobbing spurs, helicals, splines, sprockets,
worm gears (radially or tangentially), tapered serrations, and
diagonally hobbed spurs or helicals