Precision Four Six Hi Reversing Cold Rolling Mill Factory Suppliers in China
The Four/Six-Hi Reversing Cold Rolling Mill is a high-precision industrial solution engineered for superior metal processing. By integrating advanced PLC-based automation with mature process control, this system ensures exceptional stability and accuracy in reducing the thickness of metal strips, making it an essential asset for high-performance metal cutting and processing tool manufacturing.
Designed for maximum operational efficiency, the mill features a sophisticated closed-loop tension and speed control system. With the inclusion of multi-stage Automatic Gauge Control (AGC) and specialized roll bending technologies, it delivers unparalleled surface quality and thickness uniformity, meeting the most stringent international industrial standards for cold rolling.
Detailed Parameters
| Control System | PLC-based Automation Control | Speed Control | Full Digital DC Speed Control |
|---|---|---|---|
| Tension Control | Closed Loop Feedback Control | Thickness Control | Forward/Feedback/Mass Flow AGC |
| Roll Cooling | Segmented Cooling Control | Working Roll Bending | Positive/Negative Bending |
| Intermediate Roll | Positive Bending & Shifting | Level Adjustment | Motor and Worm Gear Drive |
| Roll Change | Quick Change for Work/Inter Rolls | Data Management | Digital Collection & Storage |
Key Advantages
Precision AGC
Advanced hydraulic Automatic Gauge Control including forward and feedback loops for extreme thickness precision.
Rapid Roll Change
Optimized mechanical design allows for quick replacement of working and intermediate rolls, reducing downtime.
Digital Speed Control
Full digital DC speed control ensures smooth acceleration and precise synchronization across the production line.
Real-time Monitoring
Integrated data collection and display systems provide instant visibility into process performance and status.
Roll Bending Tech
Sophisticated positive/negative bending of working rolls ensures a perfectly flat profile across the strip width.
Smart Diagnostics
Equipped with an intelligent fault diagnosis and alarm system to minimize unexpected operational failures.
Product Gallery
Management Platforms
Process Automation
Full PLC-driven automation for seamless transition between rolling cycles.
Tension Management
Closed-loop control to maintain optimal strip tension and prevent defects.
Alarm Systems
Real-time fault detection and instant notifications for rapid response.
Thermal Control
Segmented cooling management to maintain roll temperature stability.
Data Storage
Secure input/output data logging for quality traceability and auditing.
Gauge Calibration
Precise mass flow and feedback monitoring for thickness accuracy.
Investment Return Comparison
| Metric | Standard Mill | Our Reversing Mill |
|---|---|---|
| Thickness Tolerance | ±0.02mm | ±0.005mm |
| Roll Change Time | High | Ultra-Low (Quick Change) |
| Energy Efficiency | Baseline | Optimized (DC Control) |
| Waste Rate | Moderate | Minimized via AGC |
| Operational Life | Standard | Extended (Heavy Duty) |
Frequently Asked Questions
Reversing mills allow for multiple passes through the same roll gap, offering greater flexibility for small-batch production and high reduction ratios in a compact footprint.
The Automatic Gauge Control (AGC) monitors thickness in real-time and adjusts the roll gap instantly, eliminating variations and ensuring a consistent gauge across the entire strip.
Yes, the mill is designed for versatility in metal cutting and processing, supporting various steel and non-ferrous alloys depending on the roll materials selected.
Maintenance primarily involves periodic software updates, sensor calibration, and checking electrical connections to ensure the closed-loop controls remain precise.
It prevents thermal deformation of the rolls during high-speed operations, which ensures that the flatness and thickness of the metal strip remain stable.
Yes, our systems are designed for integration, and we offer comprehensive revamping services and spare parts to ensure seamless compatibility with your current infrastructure.









