Features: 1. Machining for spur gear, helical gear and short spline shaft etc., with high and stable accuracy; 2. With both Clockwise and Counter-clockwise Axial feed; 3. Adopt integrated control for hydraulic and electrical system, also, with PLC for electrical control; 4. Equipped with safety system and automatic system, with auto-stop function; 5. Easy for adjustment, and suitable for large scale production. Standard accessories: 1. Hob shank (Φ22, Φ27, Φ32 for GH20/GH50; Φ27, Φ32, Φ40 for GH80) 1set 2. Standard change gear 1set 3. Special tools 1set Specification: ModelDescription UnitGH20GH50GH80Max. diameter of workpiecemm200500800Max. modulusmm6810Max. speed of worktabler/mm167.85.2Speed of spindler/mm100-40040-25040-200Speed range of feedsmm/r0.4-40.4-40.4-4Distance between tool centre and worktable axisMm30-17530-33050-550Distance between tool centre and worktablemm260-490235-535235-585Distance between outer bracket and worktablemm350-600400-630390-790Max. swiveling angle of hob rest°240240±45Hob shifting distancemm55(manual)55(manual)55(manual)Max. curvature radius of the drum gear/mm16687----Max. angle of taper gear°30----Radial feed speedmm/min0.05-2----Max. size of hob (Dia.x L)mm140x180160x160180x180Worktable size Dia.x bore Dia.mm--Φ510xΦ80650x80T-slot of worktable(No. x type)----6xM12--Main motor powerkw7.56.458.5Overall dimension(LxWxH)cm244x227x185244x136x180280x155x205Packing case dimension (LxWxH)cm260x240x200263x165x222300x205x270Net weight/gross weightKg4000/50004500/55006000/7000