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Roll-to-Roll Continuous Doctor Blade Coating Line with Customizable Web Width Tension Control and High Thickness Uniformity

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Dongguan Osmanuv Machinery Equipment Co., Ltd

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Roll-to-Roll Continuous Doctor Blade Coating Line with Customizable Web Width Tension Control and High Thickness Uniformity

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Brand Name :	OSMANUV
Model Number :	Specification
Certification :	ISO9001
Price :	Negotiation
Payment Terms :	T/T
Supply Ability :	Negotiation
Delivery Time :	30-45days

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Roll-to-Roll Continuous Doctor Blade Coating Line with Customizable Web Width Tension Control and High Thickness Uniformity

Roll-to-Roll Continuous Doctor Blade Coating Line – Flexible Electronics & Optical Film Mass Production

Product Overview

Our doctor blade coating line enables continuous or batch coating of slurries, pastes, inks, and sol-gel materials onto glass, metal foil, polymer film, or paper. It features high thickness uniformity (< ±2%), low material waste, and stable gap control. Ideal for R&D labs, pilot lines, and full-scale production.

Customizable options include: coating head type (doctor blade / slot die / comma), wet thickness range, drying zone length, substrate handling (sheet-fed or roll-to-roll), and environmental enclosure (dust-free / humidity control / inert atmosphere).

Technical Specifications

Parameter	Standard Range	Customizable Option
Coating method	Doctor blade (lab) / Slot die (production)	Comma roll / Microgravure customizable
Coating width	150 mm (lab) / 600 mm (production)	50 - 1600 mm
Substrate type	Glass, film, metal foil	Rigid or flexible customizable
Wet coating thickness	10 - 500 µm	1 - 2000 µm
Thickness uniformity	±2%	±0.5% (servo gap control)
Line speed	0.1 - 5 m/min (lab)	0.05 - 50 m/min
Gap adjustment method	Manual micrometer	Motorized servo customizable
Drying temperature	RT - 150°C	RT - 300°C (multi-zone)
Substrate width (roll-to-roll)	300 mm	100 - 1500 mm customizable
Tension control range	10 - 200 N	5 - 500 N customizable
Power supply	220V / 50Hz single phase	380V three phase available

Applications

Lithium-ion battery electrode coating (anode & cathode)
Perovskite and organic solar cell active layers
Quantum dot light-emitting diode (QLED / OLED) films
Ceramic green tape for MLCC capacitors
Adhesive, sealant, and thermal interface materials
Pharmaceutical transdermal patches
Flexible printed electronics (Ag nanowires, graphene)
Optical films (anti-reflective, hard coating)

Process parameters customizable for each material type.

Customization Options

Coating head material: Stainless steel 316L / Tungsten carbide / Polymer
Blade / die gap adjustment resolution down to 0.1 µm
Shimming design for patterned or multi-layer coating
Substrate vacuum chuck or magnetic clamping (for rigid substrates)
Automated slurry circulation and degassing system
Exhaust VOC treatment (carbon filter or wet scrubber)
Cleanroom integration (ISO 5 - ISO 8) with customizable footprint
Recipe-based PLC control with touch interface
Edge bead removal (EBR) air knife or suction nozzle

Key Features

Precision ground doctor blade with wear-resistant edge
Real-time gap feedback via laser displacement sensor
Touchscreen HMI with recipe storage for 100+ coating parameters
Modular design for future upgrades (add dryer, unwind/rewind)
Anti-drip and overshoot protection for start/stop
Low material dead volume (< 5 ml for small-scale head)
Customizable software triggers for vision or thickness measurement
Optional: thickness gauge integration (confocal / eddy current)

Support and Services

Free process consultation prior to purchase (upload your material MSDS)
On-site installation and commissioning by certified engineers
18 months warranty on coating head and gap actuator
Remote support via TeamViewer or equivalent
Annual calibration service - customizable service plan (1/3/5 years)
Spare parts inventory for blades, gaskets, and bearings
Operator training manual & video library included

Packing and Shipping

Packing: Anti-static film + foam padding + plywood export case
Coating head shipped separately in protective oil coating
Dimensions (small lab line): 130×60×60 cm (approx. 180 kg)
Dimensions (production R2R line): depends on length - customizable packing layout
Shipping: FCL preferred, LCL available, air freight for urgent lab units
All packages labeled with lifting points and "Fragile - Precision Gap"

Frequently Asked Questions

Q1: Can this line handle both rigid glass and flexible PET film?

Yes. We offer customizable substrate fixtures: vacuum chuck for glass, pin-lift for rigid panels, or roller nip for film.

Q2: What is the minimum coating quantity for a lab-scale line?

With a small slot die, you can coat with just 5-10 ml of slurry. Die reservoir volume is customizable down to 2 ml.

Q3: Is the drying oven configurable for inert gas (N₂) environment?

Absolutely. Oven gas purging and oxygen monitoring are customizable options for moisture/air-sensitive materials.

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Roll-to-Roll Continuous Doctor Blade Coating Line with Customizable Web Width Tension Control and High Thickness Uniformity

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Roll-to-Roll Continuous Doctor Blade Coating Line with Customizable Web Width Tension Control and High Thickness Uniformity

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Roll-to-Roll Continuous Doctor Blade Coating Line with Customizable Web Width Tension Control and High Thickness Uniformity