Worm Gear Units


Worm Gear Units

Challenge offers a range of worm gear units with aluminium alloy cases. This extremely versatile unit can be offered with output shafts, electric motors, input flanges, torque arms with many different configurations to fulfil most application criteria. The sizes match industry standards.



• A versatile range of modular aluminium bodied Worm

Gear Drives with a large range of mounting positions

• Meet industry standard for sizes and performance

• Offered with hollow shafts, output shafts, motors, double

reduction units, shaft mounting, torque arms

• Combinations of worm and helical gears offer great

flexibility and very large speed reductions upto 5000 : 1

• Gears are manufactured from case hardened tempered

steel (20MnCr5) and are accurately ground on the


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