Y31315B gear hobbing machine Max.workpiece diameter(with rear colum/no rear column) no column 3150 mm have column 2000 mm Min.workpiece diameter 300 mm Max.working width 1800 mm Max.spiral angle 45 Max.hobbing module Hob steel 30 cast iron 40 Finger-type milling cutter steel 50 cast iron 65 Wafer milling cutter steel 40 cast iron 55 mm Max.hob dimension Outer diameter 400mm Length 500 mm Tool post vertical stroke 1800 mm distance from hob center to worktable center Max 2350 mm Min 200 Hob rotate speed 5.5-40 mm Worktable diameter 2580 Feeding capacity Hobbing vertical 0.186-3.68 level 0.34-6.8 single(finger type tool post 0.066-1.316 Fast speed Slide base 63-157 Column117-292 Automatic cutter withdrawal57 Worktable loading capacity 40 Machine total power45kw Machine overall dimension Length114500mm Width 5070 mm Height5200 mm Machine weight(about) 99.6