YDQ31400gear hobbing machine,heavy-duty gear hobbing machine,gear machine Max.workpiece diameter(with rear colum/no rear column) no column 4000 mm have column 1600mm Min.workpiece diameter130 mm Max.working width1000mm Max.spiral angle 45 Max.hobbing module Hob steel30 cast iron 30 Finger-type milling cutter steel 36 cast iron 36 Wafer milling cutter steel 30 cast iron 30 mm Max.hob dimension Outer diameter 360 mm Length410 mm Tool post vertical stroke1000 mm distance from hob center to worktable center Max 1750 mm Min 100 Hob rotate speed 5-50 mm Worktable diameter 1800 Feeding capacity Hobbing vertical 0.16-4.2 level 0.09-1.75 single(finger type tool post) 0.04-1.13 Fast speed Slide base 150-300 Column 67-134 Worktable loading capacity 15 Machine total power 28.8kw Machine overall dimension Length 9800 mm Width 2550 mm Height 3700 mm Machine weight(about)48