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Electric Roller Press

    Electric Roller Press

    The Annimet Electric Roller Press is a motor-driven precision rolling machine for sheet or coil materials. It features adjustable roller gap from 0 to 1.3 mm and achieves a rolling accuracy better than ±2.5 μm when raw material thickness uniformity is within ±3 μm. With real-time pressure display, it is suitable for rolling lithium-ion battery cathode and anode electrode sheets. It handles materials up to 100 mm in width and hardness below 50 HRC. Compact and easy to operate, it is an ideal tool for R&D sample preparation and small-batch production.
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Product Introduction
This electric roller press is driven by a motor and is designed for precise rolling of sheet or coil materials, particularly for lithium-ion battery electrode sheets. The roller gap is continuously adjustable from 0 to 1.3 mm, with a customizable maximum gap of 2 mm. A pressure display allows operators to monitor the rolling force in real time, ensuring process consistency. The machine accepts materials with hardness below 50 HRC and a maximum width of 100 mm. Reference data show that a LiFePO₄ double-coated electrode sheet can be rolled from 0.205 mm to 0.09 mm, and a copper foil single-coated sheet from 0.09 mm to 0.04 mm. The compact footprint of 450×210×310 mm and standard 220V/50Hz power supply make it a practical addition to any laboratory. With motorized operation and straightforward controls, it provides uniform, high-precision rolling with minimal effort.

Key Features 
High Rolling Precision:Rolling accuracy better than ±2.5 μm, provided the raw material thickness uniformity is within ±3 μm, ensuring consistent finished thickness.
Wide Adjustable Gap:Roller gap is continuously adjustable from 0 to 1.3 mm, with an optional extension to 2 mm for thicker materials.
Real-Time Pressure Display:Built-in pressure readout enables the operator to monitor rolling force, improving batch-to-batch repeatability.
Motor-Driven Uniform Rolling:Electric drive replaces manual operation, providing stable speed and even force, significantly improving surface quality and thickness uniformity.
Lithium Battery Material Compatibility:Processes sheets or coils up to 100 mm wide with hardness below 50 HRC, including cathode, anode, and coated copper foil.
Compact Benchtop Design:Overall dimensions of only 450×210×310 mm allow direct placement on a laboratory bench without occupying excessive space.
Simple Operation:Mechanical gap adjustment and intuitive controls require no complex programming, making the machine accessible to new users.
Low Maintenance & Durable:High-quality rollers and frame materials ensure long-term reliability with minimal routine maintenance.

Technical Specifications 

ItemSpecification
Rolling accuracy±2.5 μm (raw material uniformity ≤ ±3 μm)
Roller gapMax. 1.3 mm, Min. 0 mm (custom max. 2 mm)
Material requirementHardness < 50 HRC
Maximum material width≤100 mm
Overall dimensions450 × 210 × 310 mm
Power supply220 V, 50 Hz

Reference Rolling Dimensions

MaterialDimensionsInitial ThicknessRolled ThicknessNotes
LiFePO₄ double-coated50 × 260 mm0.205 mm0.09 mm
LiMn₂O₄ double-coated50 × 260 mm0.205 mm0.09 mm
Copper foil single-coated75 × 240 mm0.09 mm0.04 mm

FAQ 
Q: What materials can this roller press process?
A: It is primarily designed for lithium-ion battery electrode sheets, but it can also process other sheet or coil materials with hardness below 50 HRC and width under 100 mm.
Q: What rolling accuracy can be achieved?
A: When raw material thickness uniformity is within ±3 μm, the rolling accuracy is better than ±2.5 μm.
Q: Is the roller gap adjustable? What is the range?
A: Yes, the gap is continuously adjustable from 0 to 1.3 mm. A maximum gap of 2 mm can be customized on request.
Q: Does the machine require manual rolling?
A: No, the machine is motor-driven. The operator sets the gap and loads the material, and the rolling process is completed automatically. A pressure display is also provided.
Q: What is the maximum material width?
A: The maximum material width is 100 mm, suitable for laboratory samples and small-format products.
Q: What results can I expect with battery electrodes?
A: According to reference data, LiFePO₄ double-coated sheets can be rolled from 0.205 mm to 0.09 mm, and copper foil single-coated sheets from 0.09 mm to 0.04 mm with good thickness uniformity.

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After-Sales Service
Thank you for your interest. Shandong Annimet Instruments Co., Ltd., founded in 2007, has been committed to the R&D, manufacturing and sales of quality testing instruments. Throughout our development, we have treated product quality as the lifeline of our enterprise and relentlessly pursued perfection in every instrument we build. Looking at the history of science and technology, we firmly believe that every product relies on the advancement of technology, every technological breakthrough originates from material exploration, every material discovery depends on process improvement, and every process improvement is supported by experimental means. Human creativity never falls short of ideas—what we need are tools to realize them. Annimet Instruments will continue to provide the means to bring your ideas and innovations to life. Should you have any questions, please feel free to contact our customer service team; we are fully dedicated to providing excellent pre-sale, in-sale and after-sale support.

Shandong Annimet Instruments Co., Ltd.
Address: Building 105, No.155, Xinmao Qilu Technology City, Zidong Avenue, Tianqiao District, Jinan City, Shandong Province, 250032, China
Tel: +86-400-9933-057 Fax: +86-531-88092218
Web: http://www.sdanmtyq.com E-mail: anmt_test@126.com


A roller press, also known as a calender or rolling mill, is a critical piece of equipment in lithium-ion battery manufacturing. After the electrode coating process, the coated sheets must be pressed to improve the adhesion between active material and current collector, reduce thickness, increase energy density, and enhance surface uniformity. The roller press achieves this by passing the electrode between two counter-rotating precision rollers that apply pressure, inducing plastic deformation to reach the target thickness. Laboratory electric roller presses are characterized by small size, high precision, and ease of use, making them ideal for R&D and small-batch production. The adjustable roller gap and rolling accuracy directly determine the thickness consistency of electrodes and, ultimately, the performance of the finished battery. Therefore, selecting a reliable electric roller press is essential for battery research institutions and manufacturers, as it serves as a vital bridge between formulation design, coating processes, and electrochemical performance testing.


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400-9933-057

Shandong Annimet Instruments Co., Ltd., established in 2007, is a professional manufacturer integrating R&D, production, and sales of laboratory testing instruments and sample preparation equipment. With nearly two decades of industry experience, we are committed to delivering reliable quality testing solutions to clients worldwide.

Contact Us

Contact: +86 400-9933-057 

Company Address: Factory Building 105, No. 155, Xinmao Qilu Science and Technology City, No. 299 Zidong Avenue, Tianqiao District, Jinan City, Shandong Province

E-mail: anmt_test@126.com

Fax: +86 0531-88092218

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