This precision coating platform is specifically designed for laboratory-scale sheet coating process development and validation. It integrates the complete workflow, including material positioning, slurry feeding, slot-die or doctor-blade coating, multi-zone drying, cooling, sample collection, and process data recording.
The system is suitable for small-scale coating trials involving functional coatings, membrane materials, electrode sheets, composite materials, and other flexible substrates. Its compact modular design supports recipe storage, rapid product changeover, and repeatable process parameter settings, helping users efficiently transition from laboratory development to pilot-scale production.
PRODUCT DESCRIPTION
1. High Repeatability & Full Data Traceability
Equipped with an industrial-grade PLC + HMI control system, the machine supports recipe management, alarm history, automatic recording of critical process parameters, and data export. Each experimental batch can be fully documented for process comparison, analysis, and traceability.
2. Flexible Process Adaptability
The effective coating width ranges from 50 to 300 mm and can be configured according to application requirements. Coating speed is continuously adjustable from 1 to 200 mm/s, while the syringe pump provides a flow-rate range of 0.015 to 0.25 mL/s, making the system compatible with a wide variety of slurry formulations and substrate specifications.
3. Precision Coating Control
The system adopts slot-die coating technology, with coordinated control of coating GAP, slurry flow rate, and coating-head travel speed. This helps ensure uniform coating thickness and consistent surface quality. Substrate positioning and alignment accuracy can reach ≤ ±0.20 mm.
4. Modular Design & Easy Cleaning
The slurry feeding unit uses corrosion-resistant, easy-to-clean materials. A vacuum-heated platform provides stable substrate positioning and controlled temperature, while adjustable hot-air drying zones support different drying profiles and process requirements.
5. Safe & Laboratory-Friendly Design
The machine incorporates mechanical interlocks, emergency-stop protection, and comprehensive electrical safety measures. Reserved exhaust-gas collection and ventilation interfaces facilitate integration with laboratory environmental control systems.
| Item | Specification |
| Applicable Samples | Laboratory-scale coating of flexible sheet substrates |
| Effective Coating Width | 50–300 mm, configurable |
| Coating Head Travel Speed | 1–200 mm/s |
| Positioning / Alignment Accuracy | ≤ ±0.20 mm |
| Coating Method | Slot-die coating, with optional die sizes |
| Syringe Pump Flow Rate | 0.015–0.25 mL/s |
| Syringe Pump Capacity | 100 mL |
| Drying Method | Adjustable hot-air drying |
| Repeatability (Pt Loading Deviation) | ≤ ±10% |
| Environmental Requirements | Class 10,000 cleanroom; temperature: 21–25°C; relative humidity: 40–60% |
| Control System | HMI + PLC / motion control, supporting recipe management and data export |
Drive & Vacuum System Start-Up → Substrate Positioning → Initial Parameter Setup → Coating GAP Adjustment → Speed / Flow-Rate Setting → Slurry Feeding → Slot-Die Coating → Zoned Hot-Air Drying → Coating Head Return → Sample Collection → Data Recording
1. Battery and fuel-cell electrode coating trials
2. Laboratory formulation validation for functional films, optical films, and composite materials
3. Process development for catalyst layers, electronic pastes, and other precision coating applications
4. Parameter screening and repeatability testing prior to pilot-scale process scale-up
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