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High-Output Spin Coating Production Line for Molded Pulp Tableware
Production Line Overview
Our Spin Coating Production Line for molded pulp products is a fully integrated, modular system designed for seamless workflow. The standard production line composition includes:
Automatic Feeding/Stacking System: For continuous and precise loading of molded pulp products
Optional Pre-Treatment Zone: For surface activation or pre-heating to enhance coating adhesion
Core Rotary/Spin Coating Station: Multiple independent stations with customized fixtures for uniform 360° internal coverage
Precision Coating Dispense System: Servo-controlled spray nozzles for accurate application
Drying/Curing Tunnel: Modular drying zone with customizable temperature zones
Automatic Unloading & Stacking Unit: For organized collection of finished products
Centralized PLC Control Panel: Touch-screen HMI with recipe management
Note: The line configuration—including number of stations and conveyor layout—is fully customizable to fit your specific factory space and production volume.
Technical Specifications
Parameter
High-Output Model
R&D / Sample Model
Customization Options
Number of Stations
12-24 stations (rotary)
Single Station
Customizable from 1 to 24+ stations
Production Speed
Approx. 40s/group (variable)
5-15 cycles/min
Customizable cycle times via servo control
Coating Weight Control
0.1 - 5 g/piece (adjustable)
±1.0% accuracy
Customizable dispense volume & precision
Max. Product Size
Suitable for standard tableware
Ø 200mm x H 100mm (example)
Fully Customizable fixtures and station size
Coating Method
Precision Rotary Spray
Precision Rotary Spray / Syringe
Customizable spray head / dip / pour methods
Control System
PLC with HMI & Recipe Storage
PLC with HMI / Microprocessor
Customizable software, data logging, remote access
Power Supply
380V, 50Hz, 3-Phase
220V, 50/60Hz (Single Phase)
Customizable to local voltage/frequency
Applications
Eco-Friendly Food Packaging: Bowls, plates, clamshell containers, and meal trays with waterproof and oil-proof properties
Disposable Tableware: Pulp-molded cups, soup containers, and lunch boxes with heat resistance
Industrial Packaging: Anti-static, anti-corrosion, or moisture barrier coatings for protective packaging
R&D and Prototyping: Small-scale models for testing new bio-polymer coatings and optimizing parameters
Key Features
360° Uniform Coverage: Spin coating technology ensures seamless, pinhole-free barrier coating on complex 3D shapes
High Precision & Repeatability: PLC-controlled servo drives ensure exact coating weight for every piece
Material Waste Reduction: Automated, targeted application minimizes overspray and coating waste
Rapid Changeover: Quick-release fixtures and stored PLC recipes enable fast product switching
Stainless Steel Construction: Durable, corrosion-resistant materials suitable for food-grade production
Customization Options
We understand that no two products are alike. Therefore, our spin coating lines are highly customizable:
Custom Fixture Design: Tailored holding fixtures for your specific product geometry
Station Quantity & Layout: Customizable from single-station R&D units to high-speed 24-station systems
Coating Application Method: Customizable selection of spray nozzles, flow rates, and alternative methods
Drying/Curing Profile: Modular IR, convection, or UV sections with zoned temperature control
Automation Level: From semi-automatic lab models to fully automated lines with MES integration
Support & Services
Pre-Sales Engineering Consultation: Analysis of your product samples and coating requirements
Installation & Commissioning: On-site setup, calibration, and integration by experienced engineers
Comprehensive Training: Hands-on training for operators and maintenance staff
Warranty & Spare Parts: 12-month warranty with guaranteed supply of genuine spare parts
Lifelong Technical Support: Remote troubleshooting and consultation available
Frequently Asked Questions
What is the main advantage of spin coating compared to traditional spray coating for molded pulp?
Spin coating uses centrifugal force to create an extremely uniform, thin film that perfectly conforms to complex interior shapes. It ensures seamless coverage in corners where traditional spray might miss, resulting in superior barrier properties with more precise control over coating weight.
Can this line handle different product shapes (e.g., both square trays and round bowls)?
Yes. The key is the customizable fixture design. We create dedicated fixtures for each product shape. Changeover between products involves swapping the fixtures and loading a different recipe from the PLC, which can be done in minutes.
What types of coatings can be applied with this machine?
The system is compatible with a wide range of functional coatings, including water-based acrylics, PFAS-free oil-barrier coatings, bio-polymer films, and anti-static agents. The fluid path components can be customized to handle specific material viscosities and chemistries.
How is the coating thickness controlled?
Thickness is controlled by several programmable parameters: the rotational speed (RPM) of the spin, the acceleration rate, the volume of coating dispensed, and the viscosity of the material. All these parameters are stored in the PLC for perfect repeatability.
What is the typical lead time for a customized production line?
Lead time depends on the complexity of the customization. After finalizing the design based on your product samples, manufacturing typically takes between 30 to 50 working days, followed by sea freight shipping.
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
Company Profile
Dongguan Osmanuv Mechanical Equipment Co., Ltd. is a design, research, development, manufacturing as one of the UV equipment, UV equipment and coating, infrared IR equipment, professional production enterprises, automation equipment, environmental equipmen...
Company Profile
Dongguan Osmanuv Mechanical Equipment Co., Ltd. is a design, research, development, manufacturing as one of the UV equipment, UV equipment and coating, infrared IR equipment, professional production enterprises, automation equipment, environmental equipmen...
