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  • Cold rolling mill
    • 2 hi Cold rolling mill
    • 4 hi Cold rolling mill
    • 6 hi Cold rolling mill
    • 8 hi Cold rolling mill
    • 20 hi Cold rolling mill
    • Reversing mill
    • Tandem rolling mill
    • Continuous rolling mill
    • Auxiliary equipment
    • Spare parts
  • Application
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    • Φ320/Φ250×250 Four-Stand Two-Roll Cold Rolling Mill Line
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Cold rolling knowledge and guidelines

Tension in 4-Hi Cold Rolling Mill and Range of Roll Diameter Ratios

Mastering tension control and optimal backup-to-work roll diameter ratios (2.5–6) in 4-Hi cold rolling mills for improved flatness, reduced rolling force, and consistent strip quality.

2026-06-29

Use of Rolls in 4-Hi Cold Rolling Mill and Whether Rolling Tension Can Be Constant

Explains roll roles, tension dynamics, and practical control strategies in 4-Hi cold rolling mills for high-precision steel and stainless strip production.

2026-06-24

Tension in 4-Hi Reversible Cold Rolling Mill and Comparison with 4-Hi Mill

Practical guide to tension control in 4-Hi reversible cold rolling mills—compare with standard 4-Hi setups, optimize flatness, prevent defects, and improve precision.

2026-06-12

Roll and Tension Design Components of 4-Hi Reversible Cold Rolling Mill

Precision engineering of roll design and tension control in 4-Hi reversible cold rolling mills for high-quality strip production.

2026-06-11

Is a four-high cold rolling mill the same as a four-high foil mill, and how is roll profile adjusted?

Clarifies the key differences between four-high cold rolling mills and foil mills, and explains practical roll profile adjustment methods like bending, shifting, and thermal control for optimal strip flatness.

2026-04-07

Comparison of different types of four-high cold rolling mills and which roll deserves more attention

A concise guide comparing reversible and tandem 4-high cold rolling mills, emphasizing why backup roll structural integrity demands greater attention than work rolls despite their different critical roles.

2026-03-28

Drive methods and balancing force settings for four-high cold rolling mills

Optimizing drive methods and balancing force settings in 4-high cold rolling mills for precision, efficiency, and equipment longevity.

2026-03-26

Some comparisons of four-high cold rolling mills and whether tension adjustment is necessary

Explains why 4-high cold rolling mills are industry standard, clarifies that tension is managed by drive systems—not mechanical devices—and offers key selection and maintenance tips for optimal performance.

2026-03-16
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Our Products

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    Φ320/Φ250×250 Four-Stand Two-Roll Cold Rolling Mill Line

    Φ320/Φ250×250 Four-Stand Two-Roll Cold Rolling Mill Line HANI TECH Equipment Overview This cold rolling mill line is designed for continuous rolling of steel strip. The system features four tandem rolling stands for precision thickness reduction and surface finishing. Technical Specifications Material Processing Range Material Grade: Q195-235 (Annealed) Input Thickness: 2-10mm Output Thickness: ≥1mm Strip Width:…

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  • 4 hi cold rolling mill

    4 hi cold rolling mill

    The 4 hi cold rolling mill represents one of the most versatile and efficient solutions for precision metal forming in modern industrial settings. This sophisticated equipment has revolutionized the production of thin metal strips and foils across numerous industries, offering unparalleled dimensional accuracy and surface finish quality. HANI has established itself as a trusted manufacturer…

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  • 2 hi cold rolling mill

    2 hi cold rolling mill

    A high-precision 2 hi cold rolling mill represents the pinnacle of metal processing technology for achieving superior surface finishes and precise thickness control in metal strip production. HANI’s engineering team has perfected this essential equipment for modern metalworking facilities worldwide. Technical Overview of the 2 Hi Cold Rolling Mill The 2 hi cold rolling mill…

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  • 4 hi reversing cold rolling mill

    4 hi reversing cold rolling mill

    Our advanced 4 hi reversing cold rolling mill represents the pinnacle of metal processing technology, designed for precision cold rolling of various metal strip materials with exceptional efficiency and product quality. The 4 hi reversing cold rolling mill stands as a cornerstone equipment in modern metal processing facilities worldwide. This sophisticated machinery enables manufacturers to…

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  • 4 hi cold rolling mill(Hydraulic AGC Φ50/Φ80/Φ300×300 Φ80/Φ110×380/Φ350×350)

    4 hi cold rolling mill(Hydraulic AGC Φ50/Φ80/Φ300×300 Φ80/Φ110×380/Φ350×350)

    The 4 hi cold rolling mill represents the pinnacle of precision metal processing technology. This Hydraulic AGC four-high precision cold rolling mill system is meticulously engineered to deliver unparalleled performance in the production of high-quality metal strips and foils across numerous industrial applications. Technical Overview of the 4 hi Cold Rolling Mill The 4 hi…

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  • Aluminum foil rolling mill

    Aluminum foil rolling mill

    The Aluminum foil rolling mill represents one of the most sophisticated manufacturing solutions in modern metal processing industries. As demand for high-quality aluminum foil continues to surge across diverse sectors including packaging, electronics, construction, and pharmaceuticals, manufacturers require equipment that delivers precision, efficiency, and consistent quality. An advanced Aluminum foil rolling mill system provides exactly…

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  • Copper strip rolling mill

    Copper strip rolling mill

    The Copper strip rolling mill represents one of the most sophisticated metal forming technologies in modern metallurgical engineering. Designed specifically for the production of high-quality copper and brass strips, this equipment combines precision engineering with advanced control systems to deliver exceptional product consistency and operational efficiency.

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  • BL20-225 20 hi reversing cold rolling mill

    BL20-225 20 hi reversing cold rolling mill

    Engineered for precision, built for performance. The BL20-225 20 hi reversing cold rolling mill delivers exceptional quality in stainless steel, silicon steel, and high-strength alloy strip production. Introduction to Advanced Cold Rolling Technology In today’s demanding metal processing industry, the requirement for high-precision, ultra-thin metal strips continues to grow exponentially. The BL20-225 20 hi reversing…

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