15 - 45 M³/Hour (Annual Capacity 100000 - 300000 M
Thickness
8-40mm
Standard Format
1300mm X 2800mm or 1220mm X 2440mm (Standard)
Board Density
620-720 Kg/M³
Control System
Fully Automatic PLC/Dcs System
Main Energy Sources
Electricity, Steam/Natural Gas
Transport Package
No or as Required
Specification
make machine
Trademark
MINGHUNG
Origin
Linyi City, China
HS Code
846590
Production Capacity
20sets/Year
Product Description
High Bending Strength Oriented Strand Board Production Equipment
Production Overview
This High Bending Strength OSB Board Production Line is a state-of-the-art system specifically engineered to produce structural-grade Oriented Strand Board (OSB) with exceptional mechanical properties. By integrating precision long-log stranding, multi-head high-accuracy oriented forming, and advanced continuous hot pressing process control, this line consistently yields products whose Modulus of Rupture (MOR) and Modulus of Elasticity (MOE) significantly surpass standard construction-grade OSB norms. It is designed to meet the stringent demands of applications such as tall timber structures, heavy load-bearing components, I-joist webs, and high-performance concrete formwork, providing clients with the key equipment to build core competitiveness in the premium engineered wood market.
Production Line Process
1. Selected Raw Material Processing: Debarked logs undergo metal detection and sorting to remove sections with metal or decay, ensuring feedstock quality.
2. High-Precision Strand Preparation: A low-wear, high-precision long-log strander produces superior, thin, long strands with exceptional consistency in length and thickness (ideal length-to-thickness ratio >3:1), forming the physical foundation for high strength.
3. Gentle & Precise Drying: A multi-stage temperature-controlled rotary dryer avoids excessive charring or stress damage to strands, uniformly reducing moisture content to a very low range of 2%-4%.
4. Strand Screening & Enhancement: Multi-stage air and mechanical screening precisely separates strands for surface and core layers. Surface strands may undergo optional enhanced resin impregnation for superior surface properties.
5. Oriented Blending & Forming: The core section. A multi-head (typically 3 or 5) high-precision mechanical or electrostatic orienting former ensures maximum longitudinal orientation of surface strands (orientation angle deviation <10°), with the core layer arranged transversely or randomly, creating an optimal "sandwich" structure. The blending system ensures uniform and efficient application of MDI or phenolic resin.
6. High-Pressure Forming & Curing: The formed mat enters a high-tonnage continuous press. Precisely controlled pressure (up to 6-8MPa) and temperature profiles (180-220°C) ensure deep resin curing and highly uniform board density distribution.
7. Post-Pressing & Stress Equalization: Pressed boards pass through a forced air cooling system and a conditioning chamber with controlled temperature and humidity to release internal stresses, significantly reducing warping and stabilizing mechanical properties.
8. Precision Cutting & Inspection: High-accuracy sawing systems trim boards to size. Each board is scanned by an online non-destructive inspection system (e.g., stress wave, X-ray) for internal defects and density profile, guaranteeing 100% compliance with high-strength standards before shipment.
Equipment Introduction
High-Precision Long-Log Strander: Core raw material processing equipment. Uses special alloy knives and a precise feed system to ensure highly consistent strand geometry (length, thickness, width), providing the perfect raw material for subsequent orientation and high strength.
Multi-Head High-Precision Oriented Former: The most critical equipment for achieving high strength. Typically equipped with 3 or more forming heads, each consisting of thousands of independently controlled mechanical fingers or electrostatic units, it aligns strands with extreme precision (minimal orientation angle deviation) according to preset directions, forming an optimized oriented structural matrix.
High-Tonnage Continuous Press: The core power unit for high-strength consolidation. Compared to standard lines, this press has greater tonnage, higher requirements for platen flatness and temperature uniformity, and is equipped with more precise hydraulic servo and thickness control systems to ensure uniform and sufficient pressure across the entire board area.
Enhanced Blending System: Utilizes a high-speed ring blender equipped with a high-precision glue dosing and atomizing spray system, ensuring each strand is coated with an optimal and uniform amount of adhesive (e.g., highly reactive MDI) for maximum bond strength.
Core Advantages
Excellent & Stable Performance: Professional design ensures the produced OSB not only has high MOR and MOE values but also exhibits minimal batch-to-batch variation, fully meeting the strictest structural design specifications.
Industry-Leading Orientation Accuracy: The multi-head high-precision orienting former enables top-tier control over strand alignment, which is fundamental to achieving ultra-high longitudinal strength.
Broad Raw Material Adaptability & High Utilization: The optimized process allows efficient use of various fast-growing species (e.g., poplar, pine) to produce high-strength products and can tolerate a certain proportion of smaller-diameter logs and qualified recycled wood, reducing raw material costs.
Intelligent Operation & Traceability: The highly automated line allows real-time monitoring, automatic adjustment, and logging of key process parameters. Combined with online inspection, traceability of production data for each board is achieved.
Empowerment for Premium Markets: Enables clients to produce structural boards compliant with high-level certification standards like PS 2, EN 13986, APA PRP-108, thereby accessing more profitable, faster-growing premium markets such as tall buildings and prefabricated components.
OSB Board Characteristics
Exceptional Mechanical Properties: Longitudinal Modulus of Rupture (MOR) ≥22 MPa, Modulus of Elasticity (MOE) ≥3500 MPa, providing outstanding load-bearing capacity and resistance to deformation.
Superior Dimensional Stability: Optimized drying and conditioning processes result in low internal stress, leading to minimal thickness swell and linear expansion under varying humidity conditions.
Excellent Fastener Holding & Connection Properties: High density and uniform structure provide strong nail-holding and screw-holding power, suitable for heavy-duty connections.
Flexible Specifications: Thickness, dimensions, and surface treatments (e.g., sanding, overlays) can be customized per client needs.
Production Raw Materials
Main Wood Species: Poplar, Pine (Southern Pine, Radiata Pine), Fir, Eucalyptus and other fast-growing hardwoods and softwoods.
Raw Material Requirements: Recommended log small-end diameter ≥15cm, moisture content 40-60%, free from severe decay or large knots. Species with moderate density and long fibers are preferred.
Adhesives:
Primary Choice for High Strength: Polymeric MDI (Methylene Diphenyl Diisocyanate), formaldehyde-free, provides extremely high bond strength and water resistance.
Choice for Weather Resistance: Phenolic Resin (PF), excellent water and weather resistance, suitable for outdoor structural applications.
Additives: Wax emulsion (water repellent), release agents, etc.
After Sales Service
Customized Consulting & Process Design: Provides exclusive high-strength OSB production recipes and line configurations based on target market standards and client's raw material characteristics.
"Turnkey" Project Delivery: Offers full-scope services from plant planning, basic engineering, equipment manufacturing & procurement, installation & commissioning, process optimization, to personnel training, ensuring the line meets contracted performance targets.
Technical Training & Support: Provides in-depth training covering equipment operation, maintenance, process control, and quality management systems, along with long-term remote and on-site technical support.
Spare Parts Supply & Upgrades: Provides fast supply of genuine spare parts and offers upgrade/retrofit solutions for existing lines to enhance product strength or capacity based on technological advancements.
Company Profile
Shandong MINGHUNG OSB&MDF Machinery Equipment Manufacturing Co.,Ltd. was founded in 1983, specializes in continuous press solutions for over 40 years.
MINGHUNG is a leading company in the industry of OSB&MDF making machine. With a strongfocus on producing high-quality machinery, we specialize in manufacturing thecomplete production line of Medium density fiberboard (MDF), High densityfiberboard (HDF),Particle board (PB), Oriented strand board (OSB) , Veneerable super strong particle board (LSB),Laminated board and veneer.
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