PRINTING GEARBOX Double reduction , double output speed reducer is specially designed for roto gravure printing machine. It comprises of box housing make of C.I. close grain casting with PH-2 worm wheel and EN-19 shafts. Provision is also provided for printing cylinder drive. These speed reducers are also available for central drive and end drive for multi station printing machine. This gearbox is available in three different arragements of worm-worm wheel, helical and bevel type gearbox and in ratios of 2:1, 5:1 and 8.25:1