Y31125E gear hobbing machine is suitable for machining of cylindrical spur gear,bevel wheel,turbine,chain wheel. Y31125E gear hobbing machine is suitable for machining of cylindrical spur gear,bevel wheel,turbine,chain wheel. Main Technical Specification of Y31225E gear hobbing machine: SpecificationsDataUnitMax. diameter of work-piece (D-post/none D-post)1000/1250mmMax. modulus of work-piece ( ...