Double Facer Machine
Hot plate section for multi-ply corrugated board production through uniform heating and pressure bonding
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The double facer machine processes the laminated corrugated board semi-finished product through three main stages, thermal bonding, pressure smoothing, and cooling, to strengthen the board structure and stabilize the surface profile.
Features
- The heating plates are precision-ground to ensure uniform heat transfer and are arranged in multi-layer parallel groups.
- The conveyor belt system includes automatic tracking correction and dual tension mechanisms for stable operation with minimal manual adjustment.
- Both upper and lower cotton belts feature independent tensioning and fine-tuning systems to improve bonding quality and production accuracy.
- Drive rollers use a herringbone-pattern wear-resistant rubber surface and variable-frequency motor control, ensuring smooth conveying and flexible speed adjustment.
- The double facer supports customized configurations, including adjustable machine width and number of heating plates based on production capacity needs.
- Equipped with a pressure plate system to enhance the flatness and compactness of the finished corrugated board.
Technical Specifications
| Max. effective width, mm | 1400-2500 |
| Operating direction | Left or right (subject to customer factory layout) |
| Max. mechanical speed, m/min | 100-200 |
| Temperature requirement, ℃ | 160-200 |
| Steam pressure, MPa | 0.8-1.3 |
| Air supply pressure, MPa | 0.6-0.9 |
| Cooling & setting length, m | 4-6 |
| Number of heating plates | 10-22 |
| Hydraulic system pressure, MPa | 6-8 |