BEIJING SINO STEEL ENGINEERING & EQUIPMENT CO., LTD.
Beijing Sino Steel Engineering & Equipment Co., Ltd. Building Our Future Together
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Rolling Mill Stand 12-Hi MILL 14-Hi MILL 16-Hi MILL 18-Hi MILL 20-Hi MILL
Features and application
1.Suitable for mild steel, stainless steel, and special steel, especially for high precision wider and thin coils.
2.That hydraulic bending devices and middle rolles horizontal moving installations can fast regulate the roller's in order to eliminate the harmful touching areas of rollers to aim to control the plate shape and gibbous degree.
3.Flat,stability, and controllable. It's effective to improve thinner of strip edges and cracks with smaller working rollers to enhance pressure force and total pressure force of rolling routes. Type of working rollers is flat rollers which reduce the requirement of spare parts and consumption.
4.It is equipped with AGC system to get high precision, which is especially suitable for rolling hih precision requirement of wider coils and thinner coils.
Components of roling mill
Pay-off reel (loading car)→head straightening unit→entry tension reel (unloading car) →Front devices→six roller master mill→Rear device→exit tension reel(unloading car)→(auxiliary coiler) the techincal data for cold rolling mill.
The technical agreement
A.Rolling conditions:
1.Rolling material: The general carbon steel, steel, low alloy steel belt
2. The embryo of specification: 2.75 x 550 mm or less
3. The product specification: acuity 0.8 x 550 mm
4. The rolling force: P 450 t or less
5. Diameter: D580mm, maximum volume weight 7000 kg
6. Speed: 3 # frame the exit velocity of 160 m/min
B. Equipment process scheme: (for reference)
Rolling framework - spiral piston - 1 # (work roll drive) - 2 # frame (work roll drive) - 3 # frame (backup roll drive) - seamless winding machine
C. The main equipment configuration
1. The feeding rack
2. A welding platform (welding machine users should bring along their own)
3. The spiral loop
4. The host three sets (see the equipment parameters)
5. Thickness gauge technology platform Two (thickness gauge users should bring along their own)
6. two measurement for tension
7. Reel
8. Lean is a gas station
9. Hydraulic station
10. A set of direct current control system
| 12-Hi MILL | 14-Hi MILL | 20-Hi MILL | ||
| Purpose | Cold roll strip of material with middle & low yield limit,such as carbon steel,lower alloy and copper or copper alloy etc. | Cold roll strip of material,width≤500mm,with high yield limit,or foil with middle & low yield limit | Cold roll strip of material with high yield limit,or foil with middle & low yield limit. | |
| DESCRIPTION | Structure | 1.Monobloc mill stand+roll box 2.4 upright post type | Monobloc mill stand + roll box | 1.Monobloc mill 2.4 upright post type |
| Roll gap control | Hydraulic AGC | Hydraulic AGC | Hydraulic + mechanical AGC | |
| Flatness control | Axial adjustment | Axial adjustment | Axial + radial adjustment | |
| Characteristic | Large output,middle precision | Good at narrow strip | Lower output,high precision | |
| MATERIAL | Yield limit(N/mm2) | 150-1200 | 150-1500 | 150-1800 |
| Rating thickness(mm) | 2.5-4.0 | 2.5-4.0 | 2.5-4.0 | |
| Width(mm) | 500-1750 | 300-500 | 500-1750 | |
| Max. OD of coil(mm) | 2000 | 1350 | 2000 | |
| ID of coil(mm) | 508 or 610 | 508 | 508 or 610 | |
