1200mm 20-Hi CRM
I. Equipment Overview
This 1200mm 20-high cold rolling mill is precision rolling equipment jointly manufactured by Shandong Yuanda and Henan Huatai. It was manufactured in 2006 and shut down in 2018, with the equipment in good condition. The mill adopts an advanced 20-high roll configuration, equipped with an AGC hydraulic screw-down system, specifically designed for high-precision stainless steel strip rolling. It can achieve a minimum rolling thickness of 0.1mm, maximum rolling width of 1080mm, and rolling speed up to 780m/min.
II. Core Parameters
2.1 Basic Parameters
| Item | Parameter | Remarks |
|---|---|---|
| Equipment Name | 1200mm 20-High Cold Rolling Mill | - |
| Manufacturer | Shandong Yuanda / Henan Huatai | - |
| Manufacturing Year | 2006 | - |
| Shutdown Year | 2018 | - |
| Equipment Status | Good | Ready for disassembly |
2.2 Rolling Capabilities
| Item | Parameter | Remarks |
|---|---|---|
| Designed Rolling Materials | Stainless Steel 201/304 | - |
| Designed Min. Finished Thickness | 0.1 mm | - |
| Actual Min. Rolling Thickness | 0.1 mm | Proven in production |
| Actual Max. Rolling Width | 1080 mm | - |
| Max. Rolling Speed | 780 m/min | - |
| Max. Rolling Force | 500 tons | - |
2.3 Roll Specifications
| Item | Specification | Remarks |
|---|---|---|
| Number of Rolls | 20 rolls | - |
| Working Roll Specification | Φ63.8 mm | Diameter 63.8 mm |
| Intermediate Roll Specification | Φ105 mm | Diameter 105 mm |
| Drive Roll Specification | Φ172 mm | Diameter 172 mm |
III. Power System
3.1 Main Motor
| Item | Parameter | Remarks |
|---|---|---|
| Power | 1500 kW | - |
| Voltage | 660 V | - |
| Speed Range | 310 - 1000 r/min | - |
| Motor Type | DC Motor | - |
3.2 Coiler Motors
| Position | Brand/Model | Power | Voltage | Speed |
|---|---|---|---|---|
| Left Coiler | - | 1500 kW | 660 V | 310-1000 r/min |
| Right Coiler | Z710-4A | 1500 kW | 660 V | 310-1000 r/min |
IV. Coiling System
| Item | Specification | Remarks |
|---|---|---|
| Reel Diameter | 600 mm | - |
| Coiling Method | Collapsible Drum | Hydraulic Expanding |
| Drum Type | Hydraulic Expanding | - |
| Number of Coilers | 2 units (Left & Right) | Reversing configuration |
V. Control System
| Item | Specification | Remarks |
|---|---|---|
| Screw-down System | AGC Hydraulic Screw-down | Automatic Gauge Control |
| Control Method | Automatic Thickness Control | - |
| Control System Status | Good Condition | No missing components |
| Control System Type | Industrial PLC Control | - |
VI. Equipment Highlights
⭐ High-Precision Rolling Capability
Minimum rolling thickness of 0.1mm, suitable for precision stainless steel strip production
Equipped with AGC hydraulic screw-down system for automatic gauge control, ensuring product dimensional consistency
Capable of rolling stainless steel grades 201 and 304
Proven production capability with actual minimum thickness of 0.1mm achieved
⭐ High-Power Drive System
Main motor power of 1500kW provides ample rolling power
Both left and right coilers feature 1500kW high-power motors for stable high-speed coiling and uncoiling
660V high-voltage design reduces current loss and improves energy efficiency
Wide speed range (310-1000 r/min) for flexible operation
⭐ Advanced 20-High Configuration
20-high roll configuration ensures uniform rolling force distribution
Small working roll diameter (Φ63.8mm) enables thinner gauge rolling
Multi-stage roll support system ensures rolling stability
Intermediate rolls (Φ105mm) and drive rolls (Φ172mm) provide robust support
⭐ High-Speed Rolling Capability
Maximum rolling speed of 780m/min ensures high production efficiency
Suitable for mass production of stainless steel strips
Maintains good shape control even at high speeds
Reversing rolling capability with dual coilers
⭐ Flexible Coiling System
Collapsible drum design accommodates different coil inner diameters
Dual coiler configuration (left and right) enables reversing rolling
600mm drum diameter with high coil weight capacity
Hydraulic expanding mechanism for reliable operation
⭐ Maximum Rolling Force
500 tons maximum rolling force
Capable of handling significant reduction ratios
Suitable for various stainless steel grades and thicknesses
Ensures consistent product quality
⭐ Reliable Equipment Condition
Shut down in 2018, short idle time
Control system intact with no missing components
Well-maintained during operation period
Ready for inspection and immediate purchase
Summary
This 1200mm 20-high cold rolling mill is a high-performance, high-precision stainless steel strip production equipment. Manufactured by renowned domestic manufacturers in 2006 and shut down in 2018, the equipment is in good condition. Its main advantages include: advanced 20-high configuration, AGC hydraulic screw-down system, 1500kW high-power main motor, 780m/min high-speed rolling capability, minimum 0.1mm rolling thickness, and collapsible drum design. The control system is intact, and comprehensive services including disassembly, refurbishment, installation, and commissioning are available. It is an ideal choice for investment in precision stainless steel strip production.
