Versatile Roll to Roll coating Machine

The AOT-MSK-AFA-MC400 R2R Coating Machine revolutionizes precision thin-film manufacturing with modular flexibility for battery electrodes, flexible electronics, and functional coatings. Engineered for R&D and pilot production, this system supports slot die coating, doctor blade, and micro gravure methods, delivering ±1μm coating uniformity. Featuring a multi-zone convection drying oven with gradient temperature control (up to 200°C) and optional NMP/emission monitoring, it ensures solvent-free, crack-resistant film curing.Customize coating modes (continuous/stripe/grid) and integrate slurry feeding or solvent recovery systems for sustainable, high-throughput processing.Outputs are optimized for downstream battery calendering machines to achieve uniform electrode density.Ideal for lithium-ion battery anode/cathode R&D and perovskite solar cell prototyping.

Core Capabilities:

1. Modular Coating Heads:

• Slot Die Extrusion:Closed-loop positional control (±5μm) ensures slurry isolation for defect-free inputs to battery calendering machines

• Transfer Coating: Adjustable comma blade (electric height control) with 0.1mm accuracy

• Micro Gravure/Tape Casting: 10-200μm wet thickness range

2. Advanced Drying Solutions:

• Convection Oven: 1-3 zones, 1-2m length options, double-sided airflow

• Gradient Baking (RT-200°C) prevents cracks, critical for battery calendering machine compatibility.

• Curved Drying: Optional IR-assisted curing for heat-sensitive substrates

3. Process Automation:

• PLC/HMI Interface: Recipe storage, tension control (0-300N), and Web alignment (±0.2mm) maintains substrate integrity for coating machine feeding

  Intermittent Coating: Programmable start/stop cycles via pneumatic valves

4. Emission & Safety:

• NMP monitoring ensures emissions compliance in coating machine to calendering machine production lines.

• Solvent Recovery: Condensation + activated carbon adsorption (95% efficiency)

Technical Specifications:

• Coating Width: 50-400mm (adjustable for battery coating machine formats)

• Line Speed: 0.1-3m/min (synced with downstream calendering machine throughput)

• Slurry Viscosity: 100-50,000cP

• Substrate Thickness: 5-500μm

Applications:

• Pre-calendering machine electrode coating for NMC/LFP batteries

• Flexible current collector prep for coating machine lamination

• Photovoltaic Backsheets & Barrier Films

Optional Modules:

• MSK-156 Slurry Feeding System (10L capacity)

• In-line Thickness Gauges (β-ray/Laser)

• AI Defect Detection Camera

Technical Parameter

Versatile Roll to Roll coating Machine

AOT-MSK-AFA-MC400 Series products can be equipped with coating methods, drying methods, and functional modules according to needs. This coating machine is equipped with extrusion coating and transfer coating functions;

Calendering machine switch the coating function by changing the winding method is convenient to operate;

peculiarity

1. Slot die extrusion coating has high coating accuracy and good consistency.

2. Multiple coating die heads can be configured to adapt to different coating parameters.

3. Closed loop adjustment of mold position, with good positioning accuracy.

4. The slurry operates in a closed manner without external parameter interference.

5. Continuous coating, intermittent coating, stripe coating, and grid coating can be achieved by configuring intermittent valve bodies and gaskets.

Q1:How does the AOT-MSK-AFA-MC400 roll-to-roll coating machine optimize integration with battery calendering machines?
A:This coating machine ensures precise electrode slurry application (1μm uniformity) with programmable drying gradients, producing crack-free films ready for downstream calendering. Its tension-controlled web handling (±0.2mm alignment) maintains substrate integrity for smooth transitions to battery calendering machines that compress electrodes to target densities.

Q2:What coating methods does this calendering machine support for battery electrode manufacturing?
A: Designed as a multi-functional coating machine, it accommodates slot die extrusion (closed-loop positional control), doctor blade transfer (0.1mm height accuracy), and micro gravure coating – all critical for lithium-ion anode/cathode R&D. Optional stripe/grid patterns enable structured electrode prototyping.

Q3:Why choose a roll-to-roll coating machine over batch systems for battery production?
A: Our roll-to-roll coating machine enables continuous processing at 0.1-3m/min speeds, reducing interfacial defects by 60% compared to batch methods. Combined with optional NMP monitoring and solvent recovery, it achieves <500ppm VOC emissions – essential for gigafactory-scale battery calendering machine integration.

Q4: Can this system replace traditional battery calendering machines in electrode fabrication?
A: While specialized for coating/drying, it complements battery roll press machines by delivering pre-calendered electrodes with controlled porosity. Post-coating, the dried films are optimized for calendering machines to achieve final thickness (5-500μm) and density requirements.

Q5:  How does the slot die coating mode enhance consistency for battery electrodes?
A:  The slot die coating machine configuration provides closed-loop slurry isolation and ±5μm positional stability, critical for high-NMP cathode slurries. Combined with gradient drying (RT-200°C), it reduces pinhole defects by 45% versus open-face methods, directly impacting battery cycle life performance.