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High-Speed 24-Station Rotary Spin Coating Line for Pulp Molding – Customizable Output up to 1,200 pcs/hr & PLC Control
Product Overview
This customizable 24-station spin coating line is a high-precision, automated production system engineered for applying uniform functional coatings (water/oil barrier, bio-based, UV-curable) to 3D-shaped products such as pulp-molded tableware, food containers, and industrial packaging.
Available in rotary indexing, modular robotic, and integrated drying configurations. The system is fully customizable in number of stations, output speed, coating weight, fixture design, and drying profile.
Working principle: Products are loaded onto custom fixtures on the rotary indexing table. At each spin station, precision dosing pumps dispense coating material onto the product, followed by high-speed spinning (centrifugal force) to evenly spread the coating across complex interior geometries, including corners and sidewalls. The coated products then pass through multi-stage drying tunnels (IR pre-dry + hot air curing + cooling) to achieve a pinhole-free, uniform barrier film with minimal material waste and >90% transfer efficiency.
R&D & pilot production: Small-scale models for testing new bio-polymer coatings before full-scale production
Eco-friendly packaging: PLA, PHA, bio-based coatings for sustainable compostable certifications
Customization Options
This 24-station spin coating line is highly customizable to meet your specific production requirements:
Number of stations: From single-station R&D units to 24+ station rotary systems - fully customizable
Fixture / nest design: Custom-machined fixtures for your specific product geometry (bowl, plate, tray, etc.) - customizable
Coating application method: Precision metering pump, spray nozzle, dip, or pour methods - customizable
Dosing system: Pump type, capacity, flow rate - customizable for different coating viscosities
Drying/curing profile: IR, convection, UV sections - zoned temperature and airflow control - customizable
Layout configuration: Circular, linear, U-shaped - customizable to fit your factory space
Automation level: Semi-automatic to fully automated with robotic loading/unloading - customizable
Integration: Interface with upstream molding presses and downstream packaging units - customizable
Voltage: 220V/380V/415V - customizable to local electrical standards
Key Features
Precision & uniformity: Individual servo-controlled dosing and spin units ensure consistent coating weight and thickness (>95% uniformity) across all products
High material efficiency: Spin coating achieves >90% transfer efficiency - drastically reduces coating waste compared to spray methods (50-70%)
360° internal coverage: Centrifugal force spreads coating evenly across complex 3D shapes, including deep corners and sidewalls - eliminates pooling and pinholes
High production output: 24-station continuous operation - up to 1,200 pcs/hour for mass production
Gentle curing: UV-LED or NIR options prevent thermal degradation of sensitive pulp substrates; multi-stage drying prevents bubbling or warping
Smart control: PLC + HMI with recipe management, real-time parameter monitoring, fault diagnostics, and IoT data connectivity
Rapid changeover: Quick-release fixtures and stored PLC recipes enable fast product switching between different shapes/sizes
Robust & hygienic construction: 304 stainless steel frame and food-grade material contact paths - easy to clean, suitable for food production environments
Support and Services
Free process consultation and feasibility analysis - send your product samples for testing
Custom layout design for your production floor
On-site installation and commissioning (customizable support packages)
Operator training program included (operational, maintenance, safety)
Remote troubleshooting via video call, IoT monitoring, or online support
18-month warranty on mechanical components, 12-month on electrical parts
Spare parts availability from regional warehouses
Preventive maintenance service contracts available
Lifetime technical support via phone, email, or chat
Packing and Shipping
Packing: Anti-rust film + reinforced wooden crate / wooden box (with foam padding for sensitive components - control panel, sensors)
Standard model lead time: 30-45 days after order confirmation
Custom configuration lead time: 60-120 days (longer for extensive customization)
Shipping: FOB Shanghai / CIF by sea, air, or rail
Customizable: Export crating, custom labeling, destination port documentation
Frequently Asked Questions
Q1: What is the main advantage of spin coating over spray coating for 3D-shaped products?
A: Spin coating uses centrifugal force to create an extremely uniform, thin film that perfectly conforms to complex interior geometries. It ensures seamless coverage in corners and sidewalls where traditional spray might miss, resulting in superior barrier properties with more precise coating weight control. Additionally, spin coating achieves >90% material transfer efficiency, while spray typically wastes 30-50% as overspray.
Q2: Can this line handle different product shapes (e.g., both round bowls and square trays)?
A: Yes. The key is the customizable fixture design. We design and machine dedicated nesting tools for each product geometry. Changeover between products involves swapping the fixtures and loading a different recipe from the PLC, which can be done in minutes.
Q3: What types of coatings can be applied with this machine?
A: The system is compatible with a wide range of functional coatings, including water-based acrylics, PFAS-free oil-barrier coatings, bio-polymer films (PLA, PHA), UV-curable coatings, and anti-static agents. The fluid path components can be customized to handle specific material viscosities and chemistries.
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...
