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SPIDEM (CLECIM) HI REVERSING HOT ROLLING MILL

Qty. 1 Second-hand hot rolling mill
Production data: Real productivity achieved:
 AA 1xxx – 8xxx series (reroll for after foils tock)  up to 13.2 ton/h
 AA 1xxx – 3xxx series (reroll for sheet coils)  up to 11.6 ton/h
 AA 5052 (reroll for hard sheet coils)   up to 8.3 ton/h
Main mill advantages:
- All table rollers are driven, which is an important factor of quality
- The entry and exit guides are powerful, which is advantage for alloys
- Largely sized pinion stand
- Quite high rolling speed can be used for final passes (140 m/min.) – productivity
- Low thickness reachable – 3.0 mm
- Exit edge trimme on-off device (better quality of reroll edges & higher productivity)
- Exit and entry side table and crop shears (provide a min. process scrap & better quality)
Mfc.:  Spidem (Clecim)  Type: 4-Hi Reversing  
Built:  1962/63 1989 Roller table was replaced & fully motorised
    Advantage: avoiding damages of strip surface
  1991 New semi automatic reroll coil discharging device was incorporated,
   Including new motorised coil grab, momorail, four exit coil bases etc.
Stopped: in 1998 
Condition: The mill is in good condition and it is in very good conservation state!
Rolls size: 600/1000x1600 mm  Main drive power: 1325 kW, 1800 RPM
Rolling speed: 0 – 140 m/min.  
Slab diemsnions: 300 x 1420 x 2650 mm – with the installed table length – several
      Extra table rollers available
Strip width: 650 - 1340 mm trimmed max. untrimmed: 1420 mm
Exit thickness: min. 3.0 mm for aluminium for alloys: 3.5 – 4.0 mm depending on the alloy
Exit coil: ID: 600 mm   OD: 1220 mm
Coil weight: 3250 kg – untrimmed  3050 kg – trimmed
Screwdown: mechanical + hydraulic Drives power supply: DC by WL set  
Max. rolling force: 1140 Ton (1000 Ton by design specification)
Edge trimming with chopper: by 3 – 6 mm strip thickness – exit side!
Coiler:  Type: collapsible mandrel Max. coiling strength: 8 Ton DC Drive 300 CV

Others:
Qty. 3 Slabs preheating pit furnaces  Dimensions: 5.7 x 2.0 x 1.6 m – L x W x H
Fully motorised rolling table   Entry side: 67 m from the mill rolls center
      Exit side: 39 m from the mill rolls center
Table end hydraulic crop shears  Displaceable slabs feeding table
Slabs handling overhead crane (with grab) Automatic coil exit device & storage
Monorail with motorised coil grabs and six coil stands and weighing device
Mill description
1. Mill stand
Strong mill housing (2600 cm² of total frame cross section)
Complete sets of work rolls and back-up rolls with bearing chocks.
Work rolls: Ø 600 mm x 1600 mm barrel length – forged steel
  Hardness: Neck: 52 – 55 Shore C Barrel: 55 – 60 Shore C
Back-up rolls: Ø 1000 x 1600 mm barrel length – forged steel
  Hardness: Neck: 38 – 43 Shore C Barrel: 70 – 72 Shore C
Rolls extraction carriage for work and bottom back-up roll change
Work roll (top & bottom) steel brushes cleaning device
Electro mechanical top screw down device with one AC motor and two gear boxes
Two bottom hydraulic roll load cylinders (total force 1140 Ton)
One side tilting device by mean of hydro mechanical device (cylinders actuated by an
 electrician motor) for pot cylinders pressure finr regulation
Positive bending (hydraulic) device: Qty. 2 pistons located in each bottom work roll chock
actuating on the bottom face of the work roll chock , and qty. 2 pistons located in each bottom
back-up roll chock actuating on the bottom faceof the top back-up roll chock.
Oil mist system for lubrication of back-up rolls bearings.
Work rolls coolant device: 10 emulsion injecting nozzles by roll and by each mill side
Flow rate: 1500 L/min., 4 bar pressure, two pumps (one stand by)
Filter system: The emulsion is passed through a continuous paper filter and saturation
control system is available
Blow-off device, consisting in one air nozzle by side (entry & exit)
Heavy duty cardanic drive spindles with support device and work roll muffs
Largely sized pinion stand gear box
Fume exhaust hoods, ducts & blower
Main pulpit mill command
Main drive: ACEC, DC Motor, 1800 HP, 500 V, 2850 Amps., 210/440 RPM
DC Generator: Ward Leonard Set: 1600 kW, DC Generator “ACEC” (500 V, 3200 Amps.,
750 RPM with excitation current of 280 V, 14 Amps.)&Asyncronic AC Motor “ACEC”,
3 phases, 50 Hz, Power: 2300 HP (primary voltage: 6350 V, 178 Amaps.
Connection schematic: “Δ”,  Rotor: 820 V, 1270 Amps., 750 RPM)
Includes start rheostat device with servo motor for AC motor starting
Gauge control system: By electro-mechanical double screw position and double bottom hydraulic
 cylinders with Precilec sensor
Work roll bearing system: Quadruple conic roll bearing  Lubrication: Pre-lubricated (grease)
Back-up roll roll bearing system: Double conic roll bearing Torrington. Oil mist lubrication system.
Edge trimmer drive:  “JACQUET FRERES”, 100 CV, 400 Amps., 1500 RPM
Edge trimmer width range: from 650 – 1300 mm exit strip width
2. Mill entry side
Mill stand:
Slab / Strip centering device (lateral roller guides)
Mill entry roll table: From the mill rolls stand toward the entry side rolls table
 33 biconic driven rolls (dimensions: 1600 mm length, 300 mm both ends diameters
 and 270 mm diameter in the center)
Displaceable crop slitter circular knife (up to 3 or 6 mm thickness)
Tilting roll table module to allow the circular knife entrance
Roll table module with slab turning device (90°)
Mill entry side roll table (to continuation of the mill stand entry roll table)
Displaceable biconic driven rolls hot slab s feeding table  (7 biconic rolls)
90 biconic rolls driven by 30 DC motors, 2 HP each. 1500 RPM, 230 V (with reduction gearbox
 Incorporated) supplied by Associated Electrical Industries Ltd.
 Total biconic roll table length from the mill rolls center line to the end table crop shear:
 67.0 m
Table end crop shear (12 – 20 mm thickness capacity depending on the alloy)
3. Mil exit side
Mill stand
Slab / strip centering device (lateral roller guides)
Mill exit roll table:  From the mill rolls stand toward the exit side table
 32 biconic driven rolls (dimensions: 1600 mm length, 300 mm both ends diameters
 and 270 mm diameter in the center)
Under floor level coiler with collapsible mandrel (three sectors, hydraulically operated by axial
 cylinder with work ratio of 570/600 mm diameter, 1600 mm length.
 Rewind drive: “JACQUET FRERES” DC motor, 300 CV, 950 Amps., 260 V,
950/1600 RPM
Winding tension:  max. 8000 kgf  Exit coil car hydraulic
Exit handling system (monorail, motorised coil grab, coil stands, etc.)
Belt wrapper for coiler hydraulically actuated and strip guiding roller
Tilting roll table module to allow the coiling process
Displaceable edge trimming device with chopper
Mill exit side roll table (to continuation of the mill stand exit roll table)
 (12 – 20 mm thickness capacity depending on the alloy)
45 biconic rolls driven by 15 DC motors, 2 HP each, 1500 RPM, 230 V (with reduction gearbox
 Incorporated) from Associated Electrical Industries Ltd.,
 Total biconic roll table length from the mill rolls center line to the end table crop shear:
 39.0 m
Table end crop shear

Ref. 91296

WATERBURRY FARREL HOT ROLLING MILLS

Qty. 1 Second-hand hot rolling mill
2 High design hot rolling mills   Brand: Waterburry-Farrel
Built: 1959  completely rebuilt in 2007 (electrical, gearbox, bearing boxes…)
Sleeve bearing    Water cooled bearing boxes
Entry thickness: approx. 127 mm Exit thickness:   2 mm
Two motors / two speed power screwdown Strip Width: 620 mm
Distance between housing post: 28”  Roll dim.: 26” wide x 19” dia. (25” roll surface)
300 HP DC Motor Electric Toshiba  Built: 1982  fan cooled dc motor
Estimated separating force: 450 Ton
New 2006:  PLC system – type: SLC 500
New 2007:  Hydraulic pump cylinder and piping
Maintenace work platform
2 sets of bearing boxes   2 sets of roll 19.5” dia. x 26” face
1 spare roll 19.5” dia. x 26” face
Philadelphia gearbox rebuilt in 2007  ratio: 32.5:1
Roll speed 200 fpm    Screwdown rate: 4.125 and 1.375 in/min.
30” design pass line    Coolant tray nozzles
All parts details drawing and manuals Voltage: 480 Volts, 3 ph. 60 Hz
21’-0” length entry / exit roll conveyor 2’-4” wide roll 6 5/8” dia. x 7 7/8” c/c
All rolls are motorized    Heavy design
Built into 2007 (entry / exit are same design)
Voolant steel tank 935 gallon c/a electric heater
Gould main pump 20 HP with electric drive / Gorman-Rupp return pump
Steel npt piping
Rolling mill is installed on foundation  Not working since 2009 but still functional
In-line oven 
Brand: Moco Thermal Industries  Built: 2000
1500 pounds/hour    conveyor belt ½”x1” flat wire x 24” width
8 fpm      (2x) electric heater
Voltage: 480 Volts, 3 ph., 60 Hz  1050°F max. Temp.
41’-10 3/8” total length   33’-4 3/8” heated length
Everything is in very good shape

Ref. 91297

ACHENBACH ROLLING MILL

Qty. 1 Second-hand rolling mill
Mfc.: Achenbach  Built:  1964  Overhauled:  1970 & 1986 Stopped: 2008
Single stand reversing 4 hi mill  double unwind reel
Can be modified according to your requirements – also for steel!
General characteristic
Strip width:  1700 mm  Speed:    485 m/min.
Inner coil dia.:  600 mm  Outer coil dia.:    1520 mm
Entry thickness: 8.0 mm  Exit thickness:  0.2 mm
Hydraulic system pressure:  40 bar
Screw down are mechanical plus hydraulic capsule
Main drive  Power: 400/480/960 kW Speed:  260 – 580 RPM
The coiler and uncoiler are hydraulically expandable
Mandrel type: 600 mm – no spool!   
Max. coil weight: 7700 kg  Max. diameter: 1600 mm
Shape control system – Vidiplan  Spray bars
Vollmer thickness device

Ref. 91298