Description:

Used 1350mm Hot Coil Rolling Mills (2004, Hitachi: Japan )

Make:Hitachi(Japan)
Manufacturing year: 2004
Quantity: 2sets
Material: Steel
Production Cpacity:600,000ton/year
Product width:1270mm
Product thickness:1.2mm~4mm

(1st mill)
- Mill Type : 4-Hi Mill
- Rolling Force : 1800ton
- 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 : 4-Hi Mill
- Rolling Force : 2600ton
- 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

(Accessary Equipment list)
1. Drum Shear
- Type : Rotary Drum Type
- Cutting Strip : Temp(500℃), Thickness(4.0mm), Width(1350 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%

2.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

3.  Banding machine

4. Automatic Thickness controllers