4 Hi Reversing Mill Unit – Comprehensive Product Introduction by HANI

Brand name: HANI
Packing Details : Wooden box with fumigation or Wooden Fram or Steel Frame
Delivery Details: 30~60days or Based on the quantity
Shipping: Sea freight、Land freight、Air freight

HANI focuses on cold rolling mill equipment technology, safeguarding your production.

Product Details

The 4 Hi reversing mill is an essential piece of equipment in the metal rolling industry, widely recognized for its efficiency and versatility in rolling operations. As a leading manufacturer, HANI offers advanced 4 hi reversing mill units designed to meet the demanding needs of modern steel production. This detailed product introduction will explore the features, specifications, applications, and benefits of the 4 hi reversing mill, providing valuable insights for industry professionals and decision-makers.


What is a 4 Hi Reversing Mill?

4 hi reversing mill is a type of rolling mill that consists of four rolls arranged in two pairs: two smaller diameter work rolls and two larger diameter backup rolls. The mill operates in a reversing mode, meaning the material passes back and forth through the rolls to achieve the desired thickness and surface finish.

Unlike traditional continuous mills, the reversing capability allows for precise control over the rolling process, making it ideal for producing high-quality sheets, strips, and foils.


Key Features of HANI 4 Hi Reversing Mill Unit

  • Four-Roll Configuration: Two work rolls and two backup rolls provide excellent roll stability and minimize deflection during rolling.
  • Reversing Operation: Allows the material to be rolled in both directions, improving flexibility and surface quality.
  • Advanced Hydraulic System: Ensures precise control of roll gap and rolling force.
  • Robust Construction: Designed to handle high rolling forces and extended operational hours.
  • High Precision Control: Equipped with state-of-the-art automation for thickness, speed, and tension control.
  • Wide Range of Rolling Applications: Suitable for steel, aluminum, copper, and other non-ferrous metals.
  • Energy Efficient Design: Optimized for reduced power consumption and operational costs.

Technical Specifications

Parameter Specification
Roll Diameter (Work Rolls) 250 mm
Roll Diameter (Backup Rolls) 600 mm
Rolling Width 1200 – 1600 mm
Maximum Rolling Force 5000 kN
Maximum Rolling Speed 60 m/min
Thickness Range 0.3 – 25 mm
Drive Type AC Motor with Reversing Gearbox
Hydraulic System Pressure 25 MPa
Control System PLC with Touchscreen Interface
Cooling System Water-cooled Rolls
Weight Approx. 60 Tons

Applications of 4 Hi Reversing Mill

The 4 hi reversing mill is widely used in various industries due to its versatility and precision. Common applications include:

  • Steel Plate and Sheet Manufacturing: Producing high-quality steel sheets with tight thickness tolerances.
  • Aluminum and Copper Rolling: Ideal for non-ferrous metals requiring delicate handling and surface finish.
  • Automotive Industry: Manufacturing body panels and components with consistent thickness.
  • Appliance Manufacturing: Producing metal sheets for household appliances.
  • Electrical Industry: Rolling thin foils for electrical transformers and capacitors.

Advantages of Choosing HANI’s 4 Hi Reversing Mill

  1. Superior Roll Stability: The 4 hi configuration minimizes roll deflection, ensuring uniform thickness across the strip.
  2. Enhanced Product Quality: Reversing rolling provides better control over mechanical properties and surface finish.
  3. Operational Flexibility: Suitable for a wide range of materials and thicknesses.
  4. Energy Efficiency: Advanced hydraulic and drive systems reduce power consumption.
  5. Ease of Maintenance: Modular design facilitates quick roll changes and maintenance.
  6. Customizable Options: HANI offers tailored solutions based on specific production requirements.

FAQ: Frequently Asked Questions about 4 Hi Reversing Mill Unit

Q1: What materials can be rolled using a 4 hi reversing mill?
A1: The 4 hi reversing mill is suitable for rolling steel, aluminum, copper, and various non-ferrous metals. Its versatility allows for processing both ferrous and non-ferrous materials with excellent surface quality.

Q2: How does the reversing operation benefit the rolling process?
A2: Reversing operation enables the material to pass through the rolls multiple times in opposite directions, allowing for precise thickness control and improved surface finish, which is especially important for thin gauge and high-quality products.

Q3: What is the typical thickness range achievable with this mill?
A3: HANI’s 4 hi reversing mill can process materials from as thin as 0.3 mm up to 25 mm, accommodating a wide range of production needs.

Q4: How does the 4 hi mill differ from a 2 hi mill?
A4: The 4 hi mill includes backup rolls that support the smaller work rolls, reducing roll bending and allowing for higher rolling forces and better thickness control compared to 2 hi mills.

Q5: Can the mill be customized?
A5: Yes, HANI offers customization based on specific production requirements, including roll sizes, drive configurations, and automation levels.


Production Reference and Further Information

For detailed production data, technical drawings, and case studies regarding the 4 hi reversing mill, HANI provides comprehensive resources to assist your manufacturing planning and process optimization. You can find more information on the official HANI product page: HANI 4 Hi Reversing Mill Reference.


Conclusion

The 4 hi reversing mill unit is a critical asset for any metal rolling operation seeking high precision, versatility, and reliability. HANI’s expertise in engineering and manufacturing ensures that each unit delivers optimal performance, energy efficiency, and ease of use. Whether you are rolling steel sheets or delicate aluminum foils, the 4 hi reversing mill from HANI provides a proven solution that meets the challenges of modern metal production.

For inquiries, detailed specifications, or customization options, please contact HANI’s sales team or visit their website.

HANI is one of China’s leading professional cold rolling mill manufacturers, providing complete cold rolling systems to steel companies worldwide. HANI focuses on designing and manufacturing integrated cold rolling solutions that meet the industry’s highest standards of precision, efficiency, and durability. Our engineering expertise lies in providing turnkey cold rolling production lines to optimize the performance of modern steel manufacturing plants.

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