20-Roll Rolling Mill

The 20-Roll Rolling Mill is a high-precision rolling mill used for cold rolling metal sheets and ultra-thin strips. It is mainly used for the production of thin and ultra-thin strips such as cold-rolled stainless steel, silicon steel, high-strength metals and alloys. It almost undertakes 96% of the world's stainless steel production and is widely used in industries such as automobiles, home appliances, electronics, aerospace, etc. that require high precision and quality of sheet metal

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Product Description

GRM 20-Roll Rolling Mill is a Roan clamp type mill, which adopts advanced hydraulic automatic control technology and combined with roller control to achieve excellent plate shape and thickness accuracy. The equipment can flexibly switch between 20-roll and 8-roll modes, suitable for precision rolling of materials of different thicknesses. Its high efficiency, energy saving and easy operation make it an ideal choice for high-end metal processing industry.

Industry applications

• Precision rolling of stainless steel, carbon steel, copper, aluminum and other metal sheets

• Aerospace High-precision alloy sheet production

• Electronic manufacturing Ultra-thin metal material production

• New energy Lithium battery foil, photovoltaic industry precision strip manufacturing

• Automobile manufacturing Lightweight metal material processing

Applications

Field	Scenarios
Precision stainless steel manufacturing	Mirror stainless steel strip (Ra≤0.01μm): high-end home appliance panels, elevator decorative panels
New energy material processing	Mirror stainless steel strip (Ra≤0.01μm): high-end home appliance panels, elevator decorative panels
Aerospace	Nickel-based alloy sheet for aircraft engines
Cutting-edge material development	Metallic layered composites, nanocrystalline ribbons

Core advantages

• Ultra-thin rolling: minimum thickness can reach 0.001mm (1μm)

• Ultra-high precision: servo hydraulic AGC + X-ray/contact thickness gauge, thickness accuracy up to ±0.002mm

• Flexible rolling: twenty rollers/eight rollers can be switched to meet different thickness requirements

• Small footprint, easy to install: compact structure design, easy to operate, can be operated by one person independently

Technical Parameters

project	Specifications
Rolling mill type	Twenty-high hydraulic rolling mill
Working roll diameter	Eight roller mode: Φ68mm
Working roll diameter	Twenty roller mode: Φ30mm
Feed thickness	1.2mm
Minimum finished product thickness	0.03mm
Maximum bandwidth	280mm
Rolling speed	0-120m/min
Main motor power	90KW (AC frequency conversion + reducer)
High tension motor	75KWx2 sets (1:18 reduction)
Small tension motor	7.5KWx2 sets (1:3.54/1:11.1 reduction)

Why choose us?

• Innovative technology: industry-leading hydraulic AGC + intelligent constant tension control to ensure ultimate precision

• High cost performance: lower energy consumption and more convenient maintenance compared to traditional twenty-high mills

• High production efficiency: large single press volume, reducing the total number of passes and annealing times, and improving productivity

• Safe and stable: full AC frequency conversion control, low noise, with multiple safety protections

Contact Us for Customized Solutions

Email: solutions@grm-machinery.com

Powering Tomorrow’s Manufacturing – GRM Mills Redefine Precision Rolling

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20-Roll Rolling Mill

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Industry applications

Applications

Core advantages

Technical Parameters

Why choose us?

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