Barber Colman, Bourn & Koch 22-15 Variable HORIZONTAL HEAVY-DUTY DOUBLE CUT GEAR HOBBER

BOURN & KOCH/BARBER COLMAN
MODEL 22-15
REBUILT 1998

STANDARD HOB HEAD W/ANTI-FRICTION BEARING SPINDLE
ANTI-FRICTION BEARING WORKSPINDLE
DOUBLE-THREAD INDEX WORM, HARDENED & GROUND, BRONZE WORM GEAR
BUILT-IN DIFFERENTIAL MECHANISM
COOLANT PAN, PUMP, & PIPING
POWER FORCED LUBRICATION TO ALL WORKING ELEMENTS
AUTOMATIC HOBSHIFT, CLAMPED DURING WORKING CYCLE
HYDRAULIC TAILSTOCK - AUTOMATIC 2-CUT CYCLE
DWELL TIMER FOR BLIND CUTS
ONE (1) HOB ARBOR
SINGLE SET-UP OF SPEED, INDEX, AND DIFFERENTIAL CHANGE GEARS
HYDRAULIC CHUCKING WORK-HEAD W/WORK SPINDLE (COLLET) ADAPTOR
HYDRAULIC POWER UNIT

Maximum rated work diameter 22" (558.8MM)
Coarsest pitch (single cut in steel) 3.5 DP (7.3 MOD.)
Maximum travel of hob carriage 15" (381MM)
To tailstock center 27.25" (692.15MM)
To hob spindle centerline 1.75" (44.4MM)
Work spindle bore (standard) 4.18" (106.3MM)
Index worm gear pitch diameter 17.9" (454.6MM)
Maximum/minimum number of teeth cut 300/4
Maximum hob diameter (standard) 6.25" (158.75MM)
Maximum swivel angle (helix) setting r/l 50 DEGREES
Maximum hobshift travel 4" (101.6MM)
Main drive motor 10HP
Hydraulic pump motor 3HP
Lubricating pump motor 1/4HP
Coolant pump motor 1HP
Machine dimensions 114"X 80-3/4"X 90"
Machine net weight (approx.) 14,500 LBS.