Lot 3: BARBER-COLMAN 16/56 Horizontal Gear Hobbing Machine

Suitable for the cutting of spur/helical gears, pinions, splines, and other workpieces of similar profile up to 16″ (400mm) pitch diameter, and 56″ (1422 mm) face width. Maximum rated diametral pitch (nominal) 6 DP (4.2 module).Maximum diameter of workpiece 16″ (400mm).Maximum hob diameter 5″ (127mm).Maximum hob-slide travel 56″ (1422.4 mm).Maximum work slide travel 8″ (203.2mm).Maximum distance, work spindle centerline to hob spindle centerline 8.75” (222 mm).Minimum distance work spindle centerline to Hob spindle centerline 0.75” (19.05 mm).Maximum distance work spindle face to standard tailstock-center 84″ (2134 mm).Total length of shaft-type work-piece accommodated provided it can be fed through work-spindle bore 145” (3683 mm).Work spindle thro-bore diameter 4.13″ (105mm).Hob speed range 59 to 246 rpm.Feed ranges 0.015 to 0.150 i.p.r. Main drive motor 5 HP/1800 rpm.Rapid traverse 2 HP.Coolant pump 1/4 HP.Lubrication pump 1/20 HP. Machine Serial No.2927