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24-Station Rotary Coating Line for Internal Coating of Pulp Molding
This fully automated 24-station rotary coating production line is engineered for high-efficiency internal application of functional barrier coatings, primers, or decorative finishes to three-dimensional pulp molded products. Utilizing a precision rotary indexing system, it ensures each product receives identical, controlled coating coverage and thickness in a continuous, synchronized process. The system is highly customizable to accommodate a wide range of product sizes and shapes, making it ideal for large-scale manufacturing.
Production Line Composition
Automated Infeed Conveyor & Product Orienter
Customizable 24-Station Rotary Indexing Table with Precision Turntable
Individual Coating Head per Station (Dipping, Spraying, or Precision Dispensing)
Centralized Coating Material Supply & Recirculation System
Integrated Drip/Drain Station
In-process Drying/Curing Modules between Stations (Optional IR/UV/Hot Air)
Quality Inspection Station (Optional Vision System)
Automated Outfeed & Sorting Conveyor
Centralized PLC Control Panel with Industrial HMI
Technical Specifications
Parameter Category
Details & Specifications
Number of Work Stations
24 stations (standard), customizable to 12, 18, or 36 stations
Coating Method per Station
Precision rotary spin coating, dip coating, or spray coating (customizable)
Indexing System
Precision cam divider or servo-driven rotary table
Cycle Time
Adjustable, typically 6-20 seconds per station (dictates line speed)
Coating Material
Compatible with water-based, solvent-based, or UV-curable coatings
Material Supply
Centralized tank with pump, filtration, and viscosity control (optional)
Control System
Industrial PLC with recipe management for different products
Power Requirements
380V / 50Hz / 3-Phase, customizable to regional standards
Line Footprint (LxW)
Customizable based on station size and auxiliary modules (e.g., ~10m x 5m)
Overall Capacity
Up to 500-1500 pieces per hour (dependent on cycle time and product)
Applications
Food service items (plates, bowls, clamshells, cups)
Egg cartons and fruit trays
Industrial protective packaging
Premium gift packaging
Key Features
High Throughput & Consistency: 24-station parallel processing ensures identical coating quality for every piece at high speed
Reduced Material Waste: Precise, controlled application minimizes overspray and coating usage
Flexible Production: Quick-change fixtures and PLC recipes allow for running different product types with minimal downtime
Closed-Loop Control: Optional viscosity and level sensors maintain coating material consistency
Rugged Construction: Built for 24/7 operation in humid industrial environments
Customization Options
The entire line is built to order with extensive customization options. These include the number of stations, the specific coating mechanism per station (to handle different product geometries), the integration and type of drying systems between steps, material handling fixtures, and full integration with upstream (forming) and downstream (packaging) equipment.
Frequently Asked Questions
Can this line handle different sizes of pulp molded products simultaneously?
Not simultaneously. However, through customizable quick-change fixtures and saved PLC recipes, the line can be rapidly converted between different product families in a batch production mode.
How is coating uniformity ensured across all 24 stations?
Each station is equipped with its own individually calibrated coating head and fluid control system, all supplied from a common, agitation-equipped reservoir to ensure material consistency. The rotary indexing mechanism ensures identical dwell and process time at each station.
What about curing? Is it part of the line?
Curing can be integrated. We can design the line with intermediate drying stations (e.g., between coating steps) and a final curing tunnel as part of the customized layout, creating a complete "coated-and-dried" output.
How is maintenance handled for so many coating heads?
The design emphasizes modularity and easy access. Heads can be individually serviced or replaced without stopping the entire line. We provide detailed maintenance manuals and training.
What is the typical project timeline from order to commissioning?
For a customized 24-station line, the timeline typically ranges from 20 to 30 weeks, covering detailed engineering, manufacturing, factory testing, shipping, and on-site installation. A precise schedule is provided upon project finalization.
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...
