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Worm gear components for power station coal pulversisers

25 May 2015

Renold Gears can provide replacement worm gears for power station coal pulverisers, and offers a replication programme to provide interchangeable replacements for existing coal pulverisers installed worldwide.

The replacement worm gears can be manufactured to the Renold gear form or reverse engineered from original parts. The company can also produce high quality custom made worms and worm wheels. In the production of worm gearing the Renold gear form is widely respected for its performance and reliability in a wide variety of applications such as coal pulverisers.

Renold supply huge centre distance worm gears with up to 1,220mm gearing centres. Each gear set is manufactured using the highest specification, centrifugally cast, bronze alloy worm wheel rims to ensure maximum tooth strength.

Worm shafts are manufactured from high quality alloy steel with the threads case hardened to produce a uniform, hardened thread flank with a precision ground finish. The gear teeth are hobbed to a predetermined backlash and lead correction for each size of mill.

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