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High-Throughput 24-Station Spin Coating Line for Pulp Molding
This advanced 24-station rotary spin coating production line is specifically engineered for the pulp molding industry, utilizing high-speed centrifugal spin coating technology to apply uniform functional coatings—waterproof, oil-proof, and biodegradable barrier coatings—onto molded pulp products such as tableware, food containers, and industrial packaging. The system combines precision dosing, high-speed spin coating, and integrated drying in a single continuous production flow.
Key Advantages
Precision Spin Coating: 24 independent stations ensure uniform coating coverage on complex 3D geometries with ±5% thickness uniformity
High Throughput: Continuous production capacity up to 1,200 pieces per hour
Integrated Drying: IR or UV-LED drying tunnel enables immediate curing without additional transfer steps
Clean & Eco-Friendly: Enclosed coating chamber with exhaust and filtration system ensures environmental compliance
Production Line Composition
Component
Description
Infeed Conveyor System
Automatic feeding with speed control and alignment mechanism
24-Station Rotary Indexing Table
Servo-driven rotary table with 24 independent spin coating stations (customizable)
Precision Dosing System
Metering pumps for accurate coating material application
Spin Coating Stations
High-speed centrifugal spin units with independent speed control
Coating Supply System
Precision metering pumps, pressure tanks, and filtration units
Drying Tunnel
IR / UV-LED / Hot Air drying system (customizable)
Exhaust & Filtration System
Overspray capture and solvent vapor filtration
PLC Control Cabinet
Industrial PC with HMI touchscreen, recipe storage, and data logging
Outfeed Conveyor
Automatic transfer to next station or stacking unit
Technical Specifications
Parameter
Specification
Customization Options
Number of Stations
24 stations (standard)
Customizable (12, 16, 24 stations)
Rotary Table Drive
Servo-driven, high-precision indexing
Customizable indexing speed
Spin Speed
Adjustable, up to 2,500 rpm
Independent speed control per station
Coating Thickness
5 - 50 μm (dry)
Customizable coating weight
Coating Uniformity
±5% thickness deviation
Customizable process parameters
Production Capacity
300 - 1,200 pcs/hour
Customizable per production targets
Conveyor Speed
1 - 20 m/min (stepless)
Customizable via VFD control
Drying Method
IR / UV-LED / Hot Air
Customizable drying system
Drying Temperature
40°C - 180°C
Customizable temperature profiles
Control System
Omron PLC + HMI
Integration protocols customizable
Power Supply
380V / 200V, 50Hz, 3-phase
Customizable to regional standards
Overall Dimensions
8m - 30m * 1.5m - 2.5m * 1.8m - 2.5m
Layout and footprint fully customizable
Applications
Molded Pulp Tableware: Waterproof and oil-proof barriers on plates, bowls, trays, clamshell boxes, and cup carriers
Industrial Pulp Packaging: Protective and anti-static coatings on egg trays, fruit trays, electronic cushioning pads, and industrial corner protectors
Agricultural Products: Biodegradable barrier coatings on seedling pots, horticultural trays, and planting containers
Premium Molded Products: Aesthetic and functional coatings on medical device trays, cosmetic packaging inserts, and custom-shaped containers
High-Volume Production Lines: Continuous spin coating for large-scale manufacturing requiring production flexibility and coating quality
Customization Options
Station Configuration: Customizable number of stations (12, 16, 24) and layout to match output targets
Spin Speed & Coating Thickness: Customizable spin speed (up to 2,500 rpm) and coating thickness (5 - 50 μm)
Drying System: Customizable drying method (IR / UV-LED / Hot Air) and temperature profiles
Material Handling: Customizable infeed and outfeed configurations, including robotic loading/unloading integration
Control System Integration: Customizable communication protocols (Modbus, Profibus, Ethernet/IP)
Enclosure & Exhaust: Customizable booth dimensions and exhaust capacity for factory layout compatibility
Support and Services
Comprehensive pre-installation site assessment and layout planning
Professional on-site installation, commissioning, and calibration
Thorough operator training and maintenance instruction
12-month standard warranty on entire system (extendable)
Lifetime remote technical support and online diagnostics
Preventive maintenance plans and global spare parts network
Coating process optimization and technical consultation
Spin coating unit maintenance and repair services
Packing and Shipping
Precision dosing pumps and spin coating units shipped in shock-resistant, moisture-proof foam crates
Entire system modularized and packed in heavy-duty, weatherproof wooden crates
Special anti-static packaging for electronic and control components
All shipments include detailed documentation and can be arranged via air or sea based on requirements
Frequently Asked Questions
Is spin coating suitable for pulp molding products?
Yes. Spin coating is ideal for applying uniform functional coatings on complex 3D molded pulp products. The system is designed with precision dosing and high-speed spin coating units to ensure complete coverage on corners, sidewalls, and curved surfaces. Fully compliant with CE and other international standards.
How does spin coating compare to other coating methods?
Spin coating offers excellent coverage on complex 3D geometries with precise thickness control, making it ideal for molded pulp products with intricate shapes. It provides customizable coating thickness and is compatible with a wide range of coating formulations. Compared to spray coating, spin coating offers better material utilization and less overspray.
Can the system handle various product sizes and coating requirements?
Yes. The system features customizable station configuration, spin speed, coating thickness, and drying profiles. Real-time monitoring allows dynamic adjustment, ensuring optimal coating quality for different products.
How much floor space does the system require?
The system layout is fully customizable. Depending on your production capacity and available floor space, we can design a compact or expanded configuration to best suit your needs.
What are the total operating costs?
Overall operating costs are optimized through high material utilization, reduced coating waste, and integrated drying. Coating material and electricity are the primary operating costs. We can provide a detailed cost analysis based on your specific production parameters.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2007
Total Annual:
2000000-3000000
Employee Number:
150~200
Ecer Certification：
Verified Supplier
Dongguan OSMANUV Machinery Equipment Co., Ltd. was established in 2007 and is headquartered in Dongguan, Guangdong Province, a renowned manufacturing hub within the Guangdong-Hong Kong-Macao Greater Bay Area. We are a high-tech enterprise integrating R&D, production, sales, and af... Dongguan OSMANUV Machinery Equipment Co., Ltd. was established in 2007 and is headquartered in Dongguan, Guangdong Province, a renowned manufacturing hub within the Guangdong-Hong Kong-Macao Greater Bay Area. We are a high-tech enterprise integrating R&D, production, sales, and af...
