Qty. 1 Second-hand cold rolling mill

Material: Copper & Copper Alloy (Pbc, Etc.), Aluminium, Etc.

Manufacture: Hitachi (Japan), Type: 4-Hi Reversing Rolling Mill

Strip Width: Max 450 mm, Thickness: 0.3 mm ~ 4.0 mm (Copper)

Line Speed: 100 m/min., Coil Weight: 5,000 kg         

Manufacturing Date: 1963, 1st Revamping  Date: 2008, 2nd Revamping Date: 2010, 3rd Revamping Date: 2020

Scope of Revamping: Mill Housing Clean & Painting, Improvement of Screw Down System (Ram Cylinder, Geared Motor), Change of Deflector Roll & Press Plate, Right/Left Reel: Increased Capacity

Right Reel: 30 kW, 200/500 RPM – 110 kW, 650/1,800 RPM,

Left Reel: 30 kW, 200/500 RPM – 75 kW, 400/1,500 RPM

Change of Drive for 2-Coil Car: Hydrauric Cylinder – Geared Motor

Press Method: Geared Motor (Worm Screw)           

Right/Left Reel Dia.: 400 mm (Supply of Attachment D508 mm)

Roll Diameters:

Work Rolls: Dia.: 212 mm ~ 212 mm * Length 530 mm

Back-Up Roll: Dia.: 540 mm ~ D515 mm * Length 500 mm

DC Motors:

Hitachi Main Mill: DC Motor: 110 kW, 400/800 RPM, 220 V, 550 A, Gear Ratio 1/6.9

Hitachi Right Reel DC Motor: 110 kW, 650/1,800 RPM, 220 V, 484 A

Toyo Denki Seizo Left DC Motor: 75 kW, 400/1,500 RPM, 220 V, 350 A

Hydrauric AC Motors: 3.7 kW, 1,134 RPM, 6 pieces

Screw Down AC Geared Motor: 7.5 kW (Worm Gear Type)

Configuration

Right Side: Right Reel & DC Motor, Reducer, Deflector Roll, Pad Wipper (Press Plate), Coil Car & Rail

Mill Housing Side: Mill Housing, Spindle & Spindle Support, DC Motor & Reducer, Screw Down, Right Reel Side, Flying Micrometer (1 Set)

Left Side: Left Reel & DC Motor, Reducer, Deflector Roll, Pad Wipper (Press Plate), Coil Car & Rail

Coolant Filter & Pump, Coolant Tank, Supply & Drain Piping, Electric Panel (4 Cabins), Main Operation Desk

Spare Parts & Accessory List:

1) WORK ROLLS: Dia. 212 ~ 212 mm * Length 530 mm: 8 pieces

2) BACK UP ROLLS: Dia. 540  ~ D515 mm * Length 500 mm: 2 pieces

3) WORK ROLL CHOCKS: upper, 1 set (2 pieces)

4) WORK ROLL CHOCKS: lower, 1 set (2 pieces)

5) BACK UP ROLL CHOCKS: upper, 1 set (2 pieces)

6) BACK UP ROLL CHOCKS: lower, 1 set (2 pieces)

7) ATTACHMENT: Dia. 508 mm, 2 sets (8 pieces)

8) COUPLING, Etc.: Screw Down Ram, Flying Micrometer, 1 set

9) DOCUMENTATION: 1 set