Precision Four Six Hi Reversing Cold Rolling Mill Factory Suppliers in China
Precision Four Six Hi Reversing Cold Rolling Mill Factory Suppliers in China

Precision Four Six Hi Reversing Cold Rolling Mill Factory Suppliers in China

YWLX is a leading China factory and suppliers of Four and Six Hi reversing cold rolling mills. Our precision systems handle carbon, stainless, and silicon strip steel with advanced AGC and PLC automation for extreme thickness tolerance and superior flatness.

Product Detail

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 SystemPLC-based Automation ControlSpeed ControlFull Digital DC Speed Control
Tension ControlClosed Loop Feedback ControlThickness ControlForward/Feedback/Mass Flow AGC
Roll CoolingSegmented Cooling ControlWorking Roll BendingPositive/Negative Bending
Intermediate RollPositive Bending & ShiftingLevel AdjustmentMotor and Worm Gear Drive
Roll ChangeQuick Change for Work/Inter RollsData ManagementDigital 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

MetricStandard MillOur Reversing Mill
Thickness Tolerance±0.02mm±0.005mm
Roll Change TimeHighUltra-Low (Quick Change)
Energy EfficiencyBaselineOptimized (DC Control)
Waste RateModerateMinimized via AGC
Operational LifeStandardExtended (Heavy Duty)

Frequently Asked Questions

Q: What is the benefit of using a Reversing Mill over a Tandem Mill?

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.

Q: How does the AGC system improve product quality?

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.

Q: Can this mill handle different types of metal alloys?

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.

Q: What maintenance is required for the PLC automation system?

Maintenance primarily involves periodic software updates, sensor calibration, and checking electrical connections to ensure the closed-loop controls remain precise.

Q: How does roll segmented cooling affect the final product?

It prevents thermal deformation of the rolls during high-speed operations, which ensures that the flatness and thickness of the metal strip remain stable.

Q: Is the system compatible with existing production lines?

Yes, our systems are designed for integration, and we offer comprehensive revamping services and spare parts to ensure seamless compatibility with your current infrastructure.

Ready to Optimize Your Metal Processing Production?

Contact Us

If you are interested in our products, you can choose to leave your information here, and we will be in touch with you shortly.


Write your message here and send it to us

If you are interested in our products, you can choose to leave your information here, and we will be in touch with you shortly.