You are here: Home / Products / OSB Production Line / Hot Pressing Section / Oriented Strand Board (OSB) Modular Continuous Flat Pressing System

Oriented Strand Board (OSB) Modular Continuous Flat Pressing System

The modular continuous flat pressing system for oriented strand board (OSB) is one of the most core and technologically advanced equipment in the OSB production line. It directly determines the output, quality and energy consumption of the boards.

Modularization is the soul of continuous flat press machine technology. By decomposing the press machine into a series of independent and controllable units, it achieves precise and simultaneous control of pressure and temperature in the pressing direction, making it the only choice for modern large-scale, high-efficiency and high-quality oriented particleboard production.
Availability:
  • MH-OSB

  • MINGHUNG

Oriented Strand Board (OSB) Modular Continuous Flat Pressing System


Ⅰ. Core Concepts  

Oriented Strand Board

Oriented Strand Board (OSB):  

   Engineered wood panels made by hot-pressing multilayered wood strands arranged in specific orientations. Key features: high strength, dimensional stability, environmental friendliness. Widely used in construction and packaging.  

Modular Continuous Flat Pressing System:  

   Continuous Pressing: Enables uninterrupted feeding and continuous compaction (speeds up to 60 m/min), contrasting with traditional batch pressing.  

  Modularity: The press consists of multiple independently controlled modules. Each module allows real-time adjustment of temperature, pressure, and thickness.



Ⅱ. Core Components  


Component

Function

1. Steel Belt System

Two high-temperature alloy steel belts continuously transport the strand mat (core drive component).

2. Modular Platens

Segmented heated platens with independent hydraulic control per section for gradient pressure/temperature.

3. Hydraulic System

Provides high pressure (>5,000 tons) for strand bonding.

4. Heating System

Thermal oil or steam heating with precise zonal temperature control (180–220°C).

5. Thickness Control

Laser measurement + hydraulic feedback (accuracy: ±0.1 mm).


Details of continuous flat pressing lines


Ⅲ. Workflow  

OSB Production process_副本


MINGHUNG wood based panel production line


Forming: Surface layer (longitudinal) and core layer (transverse) strands are layered directionally.  

Pre-pressing: Initial compaction to prevent mat breakup.  

Continuous Pressing:  

   Strand mat enters via steel belts.  

   Gradient pressure application (high at entry, low at exit).  

   Temperature optimized for resin curing (e.g., high at entry, cooling at exit).  

Cutting & Stacking: Continuous board cut to length.  


Ⅳ. Core Advantages  

1. High Efficiency:  

  24/7 continuous production, daily output: 1,000–2,000 m³ (3× faster than batch presses).  

2. Superior Quality:  

   Uniform density distribution (modular pressure control).  

   High internal bond strength (optimized resin curing).  

   Thickness tolerance: ≤±0.2 mm.  

3. Energy Savings:  

   30% higher thermal efficiency (zonal temperature control).  

   Reduced hydraulic energy consumption (localized high pressure).  

4. Flexibility:  

   Rapid switch between thicknesses (8–40 mm) and resin types (MDI/PMDI).  


Ⅴ. Technical Challenges & Solutions  

Challenge

Solution

Steel belt misalignment

Laser steering + automatic tensioning

Low edge density

Modular pressure compensation

Thickness precision

High-response servo valves + real-time scanners

Platen deformation

Alloy cast iron + reinforced backing beams


. Modular Design   


1. Core Philosophy  

Deconstructs the press into physically independent, functionally collaborative, autonomously controlled modules. Each module contains:  

Heated Platens: With thermal channels.  

Hydraulic Actuators: Independent cylinders/servo valves.  

Temperature Control: Dedicated sensors/circuits.  

Thickness Sensors: Real-time gap monitoring.  

Control Interface: PLC communication.  

2. Technical Implementation  

2.1 Physical Modularity:  

   Segmented platens (8–30 modules).  

   Independent frame supports with precision alignment.  

   Expansion-compensated inter-module connections.  

2.2 Pressure Control:  

   Gradient Profiling:  

     Entry Zone: High pressure (max force) for rapid compaction.  

     Mid Zone: Reduced pressure for bonding optimization.  

     Exit Zone: Low pressure to prevent springback.  

   Real-time thickness feedback (±0.1 mm accuracy).  

2.3 Temperature Control:  

   Curing-Optimized Gradient:  

     Entry Zone: 180–220°C for rapid resin activation.  

     Mid Zone: Sustained heat for full cross-linking.  

     Exit Zone: Cooling for dimensional stability.  

   Compatibility with all resin systems (PF/MDI).  

2.4 Control Architecture:  

   Distributed PLCs (Profibus/EtherCAT).  

   Synchronized module-specific control objects.  

3. Benefits of Modularity  

Advantage

Impact

Process Flexibility

One-click product changeovers (thickness/density/resin).

Quality Consistency

Uniform density/thickness; eliminated edge defects.

Productivity

30% faster line speeds; near-zero changeover scrap.

Energy Efficiency

30% lower energy consumption.

Maintainability

Isolated module repairs; reduced downtime.

4. Challenges & Solutions  

Complexity: Mitigated by robust distributed control systems.  

Synchronization: High-speed industrial networks (e.g., EtherCAT).  

Cost: ROI achieved via operational savings in 2–3 years.  

5. Conclusion  

Modularity enables spatiotemporal control over pressure/temperature, delivering:  

- Unmatched flexibility for product diversity  

- Industry-leading thickness/density uniformity  

- Revolutionary efficiency in high-volume OSB production  

(Industry standard: Dieffenbacher ContiRoll®, Siempelkamp CPS)  




Claim Your Free OSB Line Layout! Get end-to-end plant design from strand preparation to sanding. Receive 3D factory plan within 30 days.


Our contacts:

Whatsapp: +8618769900191  +8615589105786  +8618954906501

Email: osbmdfmachinery@gmail.com





Inquire
Is committed to providing global customers with intelligent, efficient, and green overall solutions for panel production.

Quick Link

Product Category

Contact Us

WhatsApp: +8618769900191 
Skype: +86-15805493072
Address: Machinery industrial Park No.0191, Xiao Ge Zhuang Village, Yitang Town Lanshan District, Linyi City, Shandong Province China
Copyright ©  2025 Shandong MINGHUNG OSB&MDF Machinery Equipment Manufacturing Co., Ltd. All Rights Reserved.