Conveyor Accessories
& Information
Engineering & Technical
Information
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Conveyor Component Location & Terminology
PULLEYS & LAGGING
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Mine Duty/Mill Duty Drum Pulleys
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Benefits
- Exclusive One Piece Rolled-in Crown ensures
consistent, proper belt tracking and tighter
tolerances
Construction
- Engineered for the roughest applications, rugged Douglas Mine/Mill Duty Drum Pulleys are intended
for use in critical applications where down time must
be minimized - Heavy construction reduces the likelihood of
metal fatigue and pulley failure in severe applications
minimizing down-time and maintenance - Full depth weld with reinforcing bar on single longitudinal
seam featured on each Douglas Mine Duty/Mill Duty Drum
Style Conveyor Pulley - Crown face pulleys are furnished standard, flat face must be specified
- Douglas hubs feature full depth welds on the inside and outside of the pulley end disk decreasing the likelihood of end disk failure due to shaft deflection and shock loads
- Douglas hubs and bushings are interchangeable with QD® or XT® style
Options
- Hot Vulcanized Pulley Lagging
- Shafting
- Bearing Assemblies
- Take-Up Systems
- QD® or XT® Hubs & Bushings
- Machined face pulleys for close T.I.R. tolerance and better belt tracking
- Optional Douglas Keyless Locking Assemblies available.
Spiral Drum Pulley
Benefits
- Promotes self cleaning, helps move material to outside the pulley
- Helps smooth vibrating belt movement
Construction
- Basic drum pulley in standard duty, Heavy Duty, Mine Duty or Extreme Duty with helically wound bar flights welded to drum pulley O.D.
WARNING: Douglas Conveyor Pulleys are not intended for use as transmission drive pulleys on high speed applications,
nor are they suitable for applications using steel cable belts.
CAUTION: Applications using wire mesh belts require flat machined face pulleys.
QD® and XT® are registered trademarks of Emerson Electric.
