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Mixed Wood Oriented Strand Board OSB Paving System

The system uses mechanical oriented forming technology to precisely align long wood strands in specific directions (longitudinal or transverse) and spread them onto the forming belt, producing an oriented mat with excellent mechanical properties. The system supports multi-layer oriented spreading (typically 3–5 layers) and allows flexible adjustment of the wood mixing ratio and orientation direction for each layer, making it suitable for producing OSB/2, OSB/3, OSB/4, and other grade boards.


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Model:
MH-OSB-PM
Brand:
MINGHUNG

Product Description

Mixed Wood Oriented Strand Board OSB Paving System

Mat forming with continuous pre-press and hot press

Working Principle

Dried and glued oriented long strands are fed into the vibrating hopper of the forming head by a metering device. The strands fall under gravity into a set of high-speed mechanical orienting rollers. These rollers have specially designed grooves or teeth that force strands into a predetermined direction (parallel to the production line for longitudinal orientation, perpendicular for transverse orientation). By adjusting roller speed, gap, and tilt angle, the orientation degree (typically >80%) can be controlled. In multi-layer forming, different forming heads are used for longitudinal layers, transverse layers, and the core layer, creating an alternating oriented structure on the forming belt. The formed mat is then pre-compressed and fed into a continuous or multi-layer hot press.

MINGHUNG Oriented Strand Board Forming for OSB Production Line

MINGHUNG Oriented Strand Board Forming Machine

Main Components

1. Metering Feeding System : Precise flow control for each layer with load cell closed-loop feedback

2. Vibrating Distributing Hopper : Prevents strand bridging, ensures continuous and uniform discharge

3. Mechanical Orienting Roller Set : Core component with specially grooved/ toothed surface for high orientation degree

4. Forming Head Frame & Adjustment Mechanism : Allows independent adjustment of roller gap, speed, and angle

5. Forming Belt & Drive System : Carries and transports the mat at high speed

6. Vacuum Edge Trimming & Thickness Control Device : Ensures uniform mat width and flat profile

7. Multi-Layer Forming Frame : Integrates 3–5 independent forming heads, each independently controllable

8. Electrical Control System : PLC with industrial HMI for closed-loop control of orientation degree, spreading quantity, and layer ratio

MINGHUNG OSB PB MDF Paving Forming Machine

Core Advantages

High Orientation Degree : Mechanical orienting technology achieves ≥80% orientation degree, significantly improving OSB’s longitudinal MOR and MOE

Strong Mixed Wood Adaptability : Capable of processing poplar, pine, eucalyptus, birch, fir, and their combinations; supports different wood species per layer or mixed together

Flexible Multi-Layer Forming : Standard 3 layers, optional 5 layers; allows arbitrary configuration of surface/core wood types and orientation directions

Adjustable Orientation Accuracy : Real-time roller parameter adjustment via PLC to meet OSB/2, OSB/3, and OSB/4 grade requirements

Excellent Mat Uniformity : Vacuum edge trimming + vibrating hopper design achieves ≤±4% transverse density deviation

Energy Efficient : Mechanical orientation consumes ~25% less power than pneumatic orientation

Low Maintenance Cost : Wear-resistant orienting roller surface with quick-change design; spare wear parts kept in stock

Technical Specifications

Parameter	Value
Nominal Capacity	30,000 – 200,000 m³/year (customizable)
Forming Width	1200 – 2800 mm (customizable)
Forming Speed	1 – 10 m/min
Mat Thickness Range	6 – 40 mm
Mat Density Range	550 – 850 kg/m³
Orientation Degree	≥ 80% (longitudinal/transverse adjustable)
Number of Layers	3 layers (standard), 5 layers (optional)
Forming Accuracy (transverse density deviation)	≤ ±4%
Total Installed Power	90 – 160 kW (depends on width and number of layers)
Orienting Roller Speed	0 – 1500 rpm (independent VFD control)
Air Supply Requirement	0.6 – 0.8 MPa

Mixed Wood Types

This oriented OSB forming system can process one or more of the following mixed wood raw materials (fed by layer ratio or mixed proportion):

Wood Species	Characteristics
Poplar	Light color, medium-low density, easy strand preparation, suitable for surface layers
Pine	Moderate resin content, high strength, suitable for core and structural layers
Eucalyptus	High density, high hardness, improves board rigidity and screw-holding strength
Birch	Fine grain, smooth surface, suitable for OSB surface aesthetics
Fir	Lightweight, good dimensional stability, suitable for core layer
Softwood Mix (Pine + Fir)	Lowers cost while maintaining good mechanical properties
Hardwood Mix (Eucalyptus + Birch)	High strength and stiffness, suitable for load-bearing OSB/4 grade
Fast-Growing Mix (Poplar + Pine)	Best cost-performance ratio for standard OSB/2 and OSB/3
Agricultural Straw (optional)	Wheat straw, rice straw – up to 30% blending ratio