Electronic Insulation Materials
Two Hot One Cold Press Line
A two-hot-one-cold press line for energy-efficient, high-throughput heating, curing, and controlled cooling of CCL and insulation laminates.
Core process capabilities
Production applications
Equipment and process details
Final parameters and system boundaries are confirmed against materials, process targets, capacity and site conditions.
Working Principle
The system consists of two hot presses and one cold press. The hot presses remain at high temperature; when the laminated boards enter, they undergo heating and pressing, followed by holding under temperature and pressure, and then partial cooling, with the temperature maintained above 100°C. The cold press is responsible for the final pressing and cooling, reducing the product temperature below 50°C before transferring it to the discharge rack for the panel separation line.
Advantages
- Saves energy and reduces unnecessary heat loss
- Improves equipment utilization
- Ideal for high-efficiency production
Process Description
Material is fed from the loading rack into the laminating press. After hot pressing, a movable shuttle trolley transfers the boards to the cold press for controlled cooling. The cold press then moves the product to the discharge rack. The pallets and stainless steel mirror plates return to the lamination line, ensuring an efficient process with controlled energy consumption.
Hot Press Specifications
Parameter | Specification |
|---|---|
Total Pressure | 10,000 kN |
Unit Pressure | 60 kg/㎡ |
Heating Plate Size | 1,220 × 1,372 mm (Effective Area: ≥1,160 × 1,310 mm) |
Number of Openings | 24 |
Number of Heating Plates | 27 (top and bottom plates: 2) |
Heating Method | Thermal oil |
Closing Speed (adjustable) | 600 mm/min |
Opening Speed (adjustable) | 200–800 mm/min |
Maximum Vacuum | ≤ -730 mmHg |
Vacuum Pumping Time | ≤ 2 min to -650 mmHg |
Cold Press Specifications
Parameter | Specification |
|---|---|
Total Pressure | 3,000 kN |
Heating Plate Size | 1,220 × 1,372 mm |
Number of Openings | 24 |
Cold Plate Thickness | 45 mm |
Closing Speed (adjustable) | 600 mm/min |
Opening Speed (adjustable) | 200–800 mm/min |
Cooling Rate | 4°C/min (from 60°C to 180°C) |
Cooling Medium | Circulating water |
Mobile Loading and Unloading System Specifications
Parameter | Specification |
|---|---|
Layer Load Capacity | ≥ 800 kg |
In/Out Feeding Speed (VFD) | 2.0 m/min |
Travel Speed (VFD) | 3.8 m/min |
Storage and Unloading System Specifications
Parameter | Specification |
|---|---|
Layer Load Capacity | ≥ 800 kg |
Lifting / Lowering Speed (VFD) | 3.5 m/min |
Tip: Parameters are for reference only; actual values can be adjusted according to requirements.
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