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Davis Standard, Upstack46, 1998, 46" Wide, 1800 lbs/hr Capacity, 6" Extruder

Davis Standard, Upstack46, 1998, 46" Wide, 1800 lbs/hr Capacity, 6" Extruder

Description

  1. Overview
    1. Used Davis Standard 46" wide sheet line last used for polypropylene sheet at a rate of 1800 lbs per hour.
  2. Extruder
    1. Davis Standard model 6in60TPIN 6" 30:1 L/D extruder.
    2. Six zone electrically heated, water cooled barrel (closed loop), non vented, at a 47" centerline height.
    3. Gearbox has an 11.3:1 reduction ratio and is direct driven by a 500 hp Reliance DC motor with 550 kVA isolation transformer, allowing for a maximum screw speed of 154 rpm.
    4. Gearbox has a rating of 700 hp at a service factor of 1.5.
    5. Feed throat has a 12" x 8" entrance.
    6. Extruder screw is a barrier type.
    7. Control panel with six Eurotherm 2208 temperature controllers for the extruder barrel zones plus 9 more discrete controllers for the die and downstream zones.
    8. Serial number X7505.
    9. Manufactured 1998.
  3. Screen Changer
    1. Extek model HSC60 screen changer having two nominal 6" diameter breaker plates.
    2. Includes 2 hp hydraulic power pack.
  4. Melt Pump
    1. Xaloy model SPD-300 melt pump with 25 hp drive system and controls.
  5. Sheet Die
    1. EDI 44" model Ultra-Flex UHRC-100 flexible lip sheet die having a 45 degree restrictor bar.
    2. Set up for five zones of temperature control.
    3. With deckling provision.
    4. Includes die support cart with casters.
    5. 230 volt.
    6. Serial number 98-20339.
    7. Manufactured 1998.
  6. Polishing Stand and Downstream
    1. Davis Standard model Upstack46 Cool-King and polishing stand having three nominal 24" diameter chrome plated rolls mounted in a vertical arrangement for up-stack operation.
    2. Hydraulically actuated chrome rolls are each driven by a 3 hp inverter duty motor with encoder through SEW Eurodrive 86.34:1 gearboxes with a 0-1750 rpm speed range.
    3. Includes pull roll stand with 46" x 8" diameter rolls with 5 hp drive system and 20' idler conveyor.
    4. Includes three zone water temperature control system with heaters, heat exchangers, and 7.5 hp pumps.