APC-016 Roller Screen Roller Chain to Belt Drive Conversion

Coal wash plant replaces 16B Duplex chain drives with no maintenance 37mm wide Poly Chain® GT Carbon™. 39 annual chain replacements turns into 24 months continual driving.

End Market Industry  
Coal Wash Plant

Roller screen
7.5kW @ 138rpm

Original Components 
Chain = 16B duplex roller chain
DriveR Sprocket = 19 Tooth
DriveN Sprocket = 19 Tooth

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The existing roller chain drives were stretching, breaking and needed to run in an oil bath or be heavily greased. 39 chains required replacement in one year on the screen.

Solution Description
Belt = 14MGT-994-37 Poly Chain® GT™ Carbon™
DriveR Sprocket = 40 Tooth
DriveN Sprocket = 40Tooth

Poly Chain GT Carbon Belt Cutaway

Benefits of Gates Product

The Poly Chain® GT Carbon™ belts require no lubrication, however when first installed they were running in the oil bath without any issues.

The drives have run for 24 months without requiring any maintenance.

The success of the conversion has resulted in the screen manufacturer making this the original equipment design.

Submitted by: Neil Thomson

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