Hitachi Stainless Steel Black Coil Rolling Mill Plant

Listing description

Make:Hitachi(Japan)
Manufacturing year:2004
Production Cpacity:600,000ton/year
Product: Stainless steel black coil( hot coil)
Product width:1000mm~1270mm
Product thickness:1.6mm~4mm

(1st mill)

- Mill Type : 4Hi-Non-reverse Mill
- Rolling Force : 1800ton
- Roll Opening : 35 mm
- Main Motor : AC 2000kw x 200/600 rpm(VVVF Vector Control)
- Main Reducer : Gear Ratio 1/3.8
- Rolling Speed : Max 219.1 m/min

(2nd mill)

- Mill Type : 4Hi-Non-reverse Mill
- Rolling Force : 2600ton
- Roll Opening : 35 mm
- Reduction : Max 35%
- Main Motor : AC 3000kw x 200/700 rpm(VVVF Vector Control)
- Main Reducer : Gear Ratio 1/4.143
- Rolling Speed : Max 222 mpm
- work Roll: 570D/480D x 1460L
- Back Up Roll: 1150D x 1050D x 1440L

(Drum Shear)

- Type : Rotary Drum Type
- Cutting Strip:
b) Temp. : 500℃
c) Thickness : 1.6~4.0 mm
d) Width : 1040~1350 mm
- Dummy Sheet:
b) Temp. : Room Temp'
c) Thickness : 1.0 mm
d)Width : 400 mm
- Cutting Capacity : Max 160 ton
- Cutting Speed : 21~231 mpm
- Drum Center Distance : 650 mm
- Knife Length : 1450 mm
- Gear Reducer : 2-Stage Reducer Gear Ratio 1/8.63
- Motor : 1-AC 400kw x 975 rpm OL 350%

(Carrousel Coiler:Pinch roll included)

- Type : Two-Four-Segment Two-Step Expanding Wedge Type
- Expanding : One-hydraulic Cylinder Operated by Servo Valve
- Diameter : Collapse 730D, Expand 762D, Over Expand 770D
- Coiling Speed : Max 340 mpm
- Winding Speed : Max 220 mpm
- Drum Turning Speed : Max 4 mpm
- No.1 Mandrel Driving Motor AC-340kw x 360/1180 rpm 300%OL
- No.2 Mandrel Driving Motor AC-340kw x 360/1180 rpm 300%OL
- Carrousel Drum Turn Motor AC-110kw x 970 rpm 200%OL
- Front Gear Unit 2-Stage Reduction Gear I=11.01
- Ring Gear & Pinion Ratio 1.01(Total Gear Ratio 11.1)
- Gear Unit for Drum Turn 3-Stage Reduction Gear I=54.8

This equipment is located in KR