... for machining of cylindrical spur gear,bevel wheel,turbine,chain wheel. Y31125E gear hobbing machine is suitable for ... wheel,turbine,chain wheel.Main Technical Specification of Y31225E gear hobbing machine:SpecificationsDataUnitMax. diameter of work-piece (D ... Mexico, Saudi Arabia, etc.Certificate:ISO9001:2000, ISO9001:2008, CE certificate, “JX” vertical lathe awarded “Liaoning Province Famous Brand ...