Pit & Quarry, April 2013
CONVEYING MATERIAL HANDLING Plant Manager Wynne Stallcop inspects the conveyor system at the TXI Streetman ES C plant near Corsicana Texas signed and manufactured by Superior Industries As a test we started placing them in high wear high traffic areas and we found they delivered more than four times the wear life of other idlers we had used previously and at a cost thats just slightly higher than steel For me it was a no brainer to expand their usage throughout the operation Stallcop says According to Superior Industries engineers Moxie Rolls are retrofittable idler rolls that are designed with a specially formulated high density polyethylene HDPE material which is highly corrosion resistant and sheds material quickly When combined with a seal design that protects against bearing damage these rolls offer extended wear life with significant reductions in the frequency of roll replacement owing to bearing failure and wear Were already seeing the long term benefits Stallcop says Maintenance costs have been drastically reduced Replacing idlers after a year or more New seal design technology traps and ejects contaminants to prevent bearing damage versus 75 to 90 day intervals makes a tremendous difference Aside from labor costs we know that in the last six months we have realized significant savings in the purchase of idlers and that is a conservative estimate This savings just keeps multiplying during each month that we are not replacing idlers he says Engineering perspective Proper seal design is the major factor in wear life as typically the seal is the first fail point Jarrod Felton engineering manager for Superior Industries says that new seal design technology traps and ejects contaminants to prevent bearing damage For example he says the SpinGuard Seal System on the Moxie Roll involves triple labyrinth seals that increase What Do You Need to Weigh Weigh it with WY15 25 45 Conveyor Belt Scales WF10 WF17 Weigh Belt Feeders Processors WY10 20 40 Conveyor Belt Scales HY15 Conveyor Belt Scales Control Gate 18005364880 TECWEIGH COM 12 PIT QUARRY April 2013 www pitandquarry com
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