Nucor Steel ● Rolling Mill


   1. AGC-CVC

     •  AGC-CVC HPU - On

     •  AGC-CVC HPU Off - Energy Stored in Accumulators

     •  Polishing System - On

     •  AGC Accumulator Stand Delivering Low Pressure

     •  AGC Accumulator Stand Delivering High Pressure

     •  AGC Operator Side Entry Column Cylinder - Retract

     •  AGC Operator Side Entry Column Cylinder - Extend

     •  CVC Entry Side Top Cylinder - Retract

     •  CVC Entry Side Top Cylinder - Extend

     •  CVC Entry Side Bottom Cylinder - Retract

     •  CVC Entry Side Bottom Cylinder - Extend

     •  Locking Lower Work Roll Cylinders - Retract

     •  Locking Lower Work Roll Cylinders - Extend

     •  Bending-Balancing Cylinders - Retract (Using Servo Valves)

     •  Bending-Balancing Cylinders - Extend (Using Servo Valves)

     •  Bending-Balancing Cylinders - Emergency Balancing

     •  Bending-Balancing Cylinders - Retract for Roll Changing

     •  Bending-Balancing Cylinders - Extend for Roll Changing

     •  Carrier Latch Top Work Roll Cylinders - Retract

     •  Carrier Latch Top Work Roll Cylinders - Extend

     •  Backup Roll Balancing Cylinder - Retract (Proportional Valve)

     •  Backup Roll Balancing Cylinder - Extend (Proportional Valve)

     •  Backup Roll Balancing Cylinder - Retract (Manual Valve)

     •  Backup Roll Balancing Cylinder - Extend (Manual Valve)

     •  Backup Roll Balancing Cylinder - Emergency Extend

     •  Looper 1 - Retract

     •  Looper 1 - Extend

   2. Downcoiler HPU

     •  Downcoiler HPU - On

     •  Downcoiler HPU Off - Energy Stored in Accumulators

     •  Recirculation System - On

   3. Downcoiler VS1

     •  Coil Car Table Cylinder - Lifting (Extend)

     •  Coil Car Table Cylinder - Lowering (Retract)

     •  Coil Car Cradle Roller Cylinder - Blocking (Extend)

     •  Coil Car Cradle Roller Cylinder - Unblocking (Retract)

   4. Downcoiler VS2

     •  Coil Car Traveling Cylinder - To Conveyor (Extend)

     •  Coil Car Traveling Cylinder - Back to Coiler (Retract)

     •  Switch Cylinder - Closing (Extend)

     •  Switch Cylinder - Opening (Retract)

     •  Coiler Shifting Cylinder - Move Out (Extend)

     •  Coiler Shifting Cylinder - Move In (Retract)

     •  Mandrel Support Bearing Cylinders - Close (Extend)

     •  Mandrel Support Bearing Cylinders - Open (Retract)

     •  Strip Catcher Cylinder - Lifting (Extend)

     •  Strip Catcher Cylinder - Lowering (Retract)

   5. Downcoiler VS3

     •  Coiler Mandrel - Expand (Retract)

     •  Coiler Mandrel - Collapse (Extend)

     •  Mandrel Gear Change Over Cylinder - Stage 1 (Extend)

     •  Mandrel Gear Change Over Cylinder - Stage 2 (Retract)

   6. Downcoiler VS4

     •  Rocker Arm Assembly Cylinder - Lifting (Extend)

     •  Rocker Arm Assembly Cylinder - Lowering (Retract)


     •  Bottom Roll Clamping Cylinders - Clamp (Extend)

     •  Bottom Roll Clamping Cylinders - Unclamp (Retract)

     •  Top Roll Positioning Cylinders - Extend

     •  Top Roll Positioning Cylinders - Retract

     •  Top Roll Balancing Cylinders - Extend

     •  Top Roll Balancing Cylinders - Retract

   7. Downcoiler Other Circuits

     •  Wrapper Roll Cylinder - Approach - Servo Valve (Extend)

     •  Wrapper Roll Cylinder - Retract - Servo Valve

     •  Wrapper Roll 1 Gap Adjust Cylinder - Emergency Approach (Extend)

     •  Wrapper Roll 1 Gap Adjust Cylinder - Emergency Retract

   8. Roll Change HPU

     •  Roll Change HPU - On

     •  Roll Change HPU Off - Energy Stored in Accumulators

     •  Roll Change Recirculation System - On

   9. Roll Change Descaler

     •  Descaling System Hood Swiveling Cylinder -Down (Retract)

     •  Descaling System Hood Swiveling Cylinder - Up (Extend)

     •  Liftable Roll Upper Cylinder - Lifting (Retract)

     •  Liftable Roll Upper Cylinder - Lowering (Extend)

     •  Liftable Roll Lower Cylinder - Lifting (Retract)

     •  Liftable Roll Lower Cylinder - Lowering (Extend)

     •  Hold Down Roller Cylinder - Up (Retract)

     •  Hold Down Roller Cylinder - Down (Extend)

     •  Hold Down Roller - Emergency Mode

     •  Pinch Roll Exit Side Cylinder - Lifting (Retract)

     •  Pinch Roll Exit Side Cylinder - Lowering (Extend)

     •  Upper Pinch Roll Entry Side Cylinder - Retract

     •  Upper Pinch Roll Entry Side Cylinder - Extend

     •  Pendulum Frame Movement Cylinders - Extend

     •  Pendulum Frame Movement Cylinders - Retract

   10. Roll Change

     •  Tilting Work Roll Changing Cylinder - Lower (Retract)

     •  Tilting Work Roll Changing Cylinder - Raise (Extend)

     •  Work Roll Changing Cylinder - Drive Out (Retract)

     •  Work Roll Changing Cylinder - Drive In (Extend)

     •  Backup Roll Changing Cylinder - Drive Out (Retract)

     •  Backup Roll Changing Cylinder - Drive In (Extend)

     •  Backup Keeper Plates Cylinders, Top - Open (Retract)

     •  Backup Keeper Plates Cylinders, Top - Close (Extend)

     •  Backup Keeper Plates Cylinders, Bottom - Open (Retract)

     •  Backup Keeper Plates Cylinders, Bottom - Close (Extend)

     •  Spindle Carrier Cylinders Top - Open (Retract)

     •  Spindle Carrier Cylinders Top - Close (Extend)

     •  Spindle Carrier Cylinders Bottom - Open (Retract)

     •  Spindle Carrier Cylinders Bottom - Close (Extend)

     •  Lifting Rail Cylinders - Lowering (Retract)

     •  Lifting Rail Cylinders - Lifting (Extend)

     •  Delivery Guide Cylinder - Move Out (Retract)

     •  Delivery Guide Cylinder - Move In (Extend)

     •  Thrust Block Cylinder - Retracting (Retract)

     •  Thrust Block Cylinder - Forward (Extend)

     •  Work Roll Side Shifting Cylinder - To Coiler (Retract)

     •  Work Roll Side Shifting Cylinder - To Furnace (Extend)

   11. Component List

     •  Component List #1

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