4-Roll Rolling Mill

A 4-Roll Rolling Mill is a metal processing equipment consisting of two parallel, smaller diameter horizontal work rolls and two larger diameter support rolls used to support the work rolls. High relative stiffness, which can effectively control the dimensional accuracy and plate shape of the rolled piece; The large amount of compression can cause significant deformation of metal materials; Low rolling force, capable of rolling thinner plates, suitable for various metal materials such as plain carbon steel, alloy steel, stainless steel, copper, aluminum, etc

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Product Description

Hot & Cold Rolling Switchable

High-Precision Multi-Batch Rolling Solutions

Flexible Tandem Production Lines for Efficient Manufacturing

The GRM 4-Roll Rolling Mill series is widely used in the steel and non-ferrous metal industries for its high-precision rolling and excellent and stable surface quality.

Compared with the GRM two-roll mill, the four-roll mill can more effectively control the flatness of the strip, reduce bending deformation, and thus improve product accuracy.

• Multi-Stand Configuration: Capable of tandem arrangement with 2 to 7 stands, enabling efficient continuous production.

• Versatile Material Compatibility: Supports flexible switching between cold and hot rolling processes for carbon steel, stainless steel, and non-ferrous metals.

• Precision Rolling Control: Achieves thickness tolerance accuracy of ±0.003mm, meeting high-precision and multi-batch rolling requirements.

• Wide Processing Capability: Accommodates coil widths from 50 to 450mm, with a maximum rolling force of 1200kN, covering cross-industry applications.

Core Advantages

• Hot & Cold Rolling Integration: Switch modes rapidly to match material requirements.

• Reversible Rolling System: Space-saving design with automated feeding for continuous operation.

• Smart Control: Dual servo screw-down & hydraulic roll change for minimal downtime.

Applications

Field	Scenarios
Steel Industry	Production of hot-rolled and cold-rolled carbon steel strips
Non-Ferrous Metal Processing	Precious metal strips (e.g., titanium, nickel alloys)
Electronics and Electrical Industry	Manufacturing of lithium battery electrodes (e.g., aluminum foil, copper foil rolling)
Automotive and Aerospace Industry	Production of lightweight aluminum and magnesium alloy sheets

Technical Specifications

Parameter	Specification
Material	Copper, stainless steel, carbon alloy
Roller diameter	40-320mm
Max. Rolling Force	1200kN
Rolling Speed	1200 m/min
Entry Thickness	15–20 mm
Exit Thickness	0.5–2.0 mm
Thickness Tolerance	±0.03 mm (Cold Rolling)

Note: The above parameters may change due to continuous product improvements; please refer to each product’s manual for exact specifications.

• Induction Heating Rolls: Precise temperature control for high-strength alloys

• Coiler Expansion Module: Customized to Client Requirements

• Industry 4.0 Interface: IoT-enabled production analytics

Why Choose Us?

• Global Support: 24/7 remote assistance

• Certifications: CE, ISO 9001 compliant

• Tailored Solutions: Material-specific rolling profiles & tension control

Contact Us for Customized Solutions

Email: solutions@grm-machinery.com

Powering Tomorrow’s Manufacturing – GRM Mills Redefine Precision Rolling

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4-Roll Rolling Mill

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Core Advantages

Applications

Technical Specifications

Why Choose Us?

Contact Us for Customized Solutions

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