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Alan Duffy, Center Surface Slitter, 65 inch Web Width, 40 inch Rewind OD, Upgraded 2021

Alan Duffy, Center Surface Slitter, 65 inch Web Width, 40 inch Rewind OD, Upgraded 2021

Description

  1. Overview
    1. 65” Alan Duffy center surface slitter rewinder
    2. Single shaft unwind
    3. 40” diameter shafted unwind with roll lift
    4. Designed to run simplex on the first rewind position or duplex
    5. Coming out of service feb. 2024
  2. Unwind Section
    1. 3” air shaft can accommodate 40” package
    2. Pneumatic roll lift for self loading
    3. Pneumatic braking and closed loop tension control
    4. Side shifting with electro-mechanical actuator for automatic edge guiding
    5. Walk over platform (steel) for access to upstream duplex shaft
  3. Slitter Section
    1. Slitter, 40” duplex
    2. 3” od air shafts
    3. Center driven shafts on pneumatically actuated lay-on arms with individual drive motors
    4. S-wrap roll, lay-on bed roll and slitter anvil roll have a common drive motor
    5. Designed and procured parts for upgrade to original shear slitting section (2021) with tidland class ii knife holders (used), female anvil knives (sharpened), and new (2021) tidland class 2/3 knife holder support bar (not mounted)
    6. Replaced nylon drive gears in slitter arms
  4. Rewind Section
    1. 40” od rewind upgraded in 2021
    2. Duplex slitter / 40” rewinder
    3. Added (2) new (2021) componex winertia av air vent low-friction aluminum spreader rolls (1 mounted)
    4. Replaced existing idler rolls with componex winertia av air vent low-friction aluminum idler rolls
  5. 2021 Upgrades
    1. New (2021) montalvo disc brake with new 5 pneumatic pistons, individually valved with low coefficient of friction brake pads
    2. New (2021) magpower cygnus tension controller by maxcess with (2) new load cells
    3. New floor mounted custom built roll stand for path and load cell roll
    4. 3” air shaft with new (2021) key drive and brake-side bearing
    5. New (2021) maxcess tidland edge/line guide with electro-mechanical linear actuator and multi-function dst-1 sensor
    6. New (2021) componex winertia av air vent low-friction aluminum idler rolls: (2) on tension stand, (1) in unwind frame
    7. Replaced all pneumatic tubing
  6. Drive System
    1. Ssd 3 motor dc drive system
  7. Condition
    1. Used