Pit & Quarry, August 2012
CONV E Y ING MAT E R I A L H A NDL ING Angled wings improve cleaning action PPIs Herringbone wing pulley is designed to give continuous smooth belt contact while providing good cleaning action The dual action is possible because the angled wings expel material out of the pulley rather than cast it forward onto the belt The design enables wings to angle up to 45 degrees meaning more material with a larger lump size can pass through without lodging www ppipella com Precleaner gets redesign for better wear performance Metso has modified its Trellex ABC 70 belt scraper improving the design and materials to increase wear life improve stability and performance and simplify installation Metso says the new designs wear life is now 25 percent longer The ABC 70 is also compatible with other Trellex precleaners such as the ABC 90 and ABC 95 meaning no mechanical alterations are necessary if changing to a different blade type The company also says that by making changes to its production process the Trellex ABC 70 is now more easily available to aggregate operations worldwide www metso com 44 PIT QUARRY August 2012 www pitandquarry com
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