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V-Belt Adjustable and Variable Speed Drives

Adjustable Speed Sheaves are designed to allow changes to driven shaft speed where drive motor speed is fixed.

Variable Speed Sheaves are designed for use in applications where drive motor speed is increased or decreased frequently to accommodate varying process conditions.

V Belt Adjustable and Variable Speed Drives
Features

  • Adjustable Speed Sheaves

    • Four types available
    • Wide range of sizes and groove counts
    • Machined from annealed cast iron
    • Exclusive, patented locking collars clamp all movable parts securely in place
    • Accurately balanced to assure smooth operation and long life
    • Eliminates freezing and sticking from fretting corrosion
    • Fits standard NEMA motor specifications
    • Datum diameter adjusted by loosening set screw(s) in the hubs
    • For use with standard or high capacity V-belts
    • No Lubrication required
    • Won’t freeze or stick

    Variable Speed Sheaves

    • Allows smooth, infinitely variable speed changes without stopping the drive motor
    • Fits standard NEMA motor specifications for most applications
    • For use with wide range variable speed belts
    • Five types available
    • Wide range of sizes and groove counts
    • Lightweight aluminum or rugged cast iron construction
    • Datum diameter adjusted by loosening hub set screw(s)
    • Maintenance-free design
    • Won’t freeze or stick
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