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All-Pine 12-25mm OSB Production Line 400000m³ Annual

high-performance OSB (Oriented Strand Board) production. It boasts an impressive annual capacity of 400,000 cubic meters and can produce high-quality boards within a thickness range of 12-25mm. The complete line incorporates state-of-the-art German technology and a fully automated control system. Utilizing premium pine wood as raw material combined with formaldehyde-free MDI adhesive (isocyanate glue) application technology, it ensures the final products possess outstanding characteristics such as high strength, exceptional stability, and green environmental protection. The production line covers the entire process from long-strand slicing and oriented layering to continuous hot pressing. It is widely used in building structures, furniture manufacturing, interior decoration, packaging, and transportation, making it an ideal choice for large-scale OSB production projects.
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  • MINGHUNG


All-Pine 12-25mm OSB Production Line

 400000m³ Annual


I. Physical and Material Characteristics of Pine Wood    


松木

Pine wood, as one of the most common softwood species, possesses the following notable characteristics:


1.  Long Fibers and High Strength: Pine wood has relatively long fibers and thick cell wall structures, giving it excellent mechanical strength and toughness.

2.  High Resin Content: Naturally high resin content provides certain waterproof and anti-corrosion properties.

3.  Pronounced Growth Rings: Clear annual rings with straight and uniform grain pattern, resulting in an aesthetically pleasing natural texture after processing.

4.  Moderate Density: Air-dry density is about 0.4-0.6g/cm³, offering sufficient strength while remaining easy to process.

5.  Easy to Process and Treat: Easy to plane, dry, and bond, suitable for various industrial processing methods.

6.  Relatively Short Growth Cycle: As a fast-growing species, plantation pines can mature in about 15-25 years for utilization.


II. Major Global Origins of Pine Wood  

1.  Nordic Region: Sweden, Finland, and Norway have vast forests of Scots Pine and Norway Spruce.

2.  North America: Southern US (Loblolly Pine, Longleaf Pine), Canada (Eastern White Pine).

3.  Russia: Abundant resources of Korean Pine and Scots Pine in Siberia and the Far East.

4.  China: Greater Khingan Range (Mongolian Scots Pine), South of the Yangtze River (Masson Pine, Slash Pine plantations).

5.  South America: Rapid development of Radiata Pine plantations in Brazil and Chile.

6.  Oceania: Well-developed Radiata Pine plantation industry in New Zealand.


III. Advantages of Pine as a Raw Material for OSB Boards  

1.  Excellent Strength Properties: Long fiber structure provides exceptional internal bond strength and bending strength.

2.  Effective Oriented Layering: Strands are easily oriented and aligned, creating a stable cross-oriented structure.

3.  Good Bonding Performance: Surface characteristics are suitable for the penetration and bonding of OSB-specific adhesives like MDI and Phenolic resins.

4.  Resource Sustainability: Abundant plantation resources ensure stable and renewable supply.

5.  High Cost-Effectiveness: Raw material costs are more competitive compared to hardwoods.

6.  Process Adaptability: Well-suited for OSB production processes like stranding, drying, and blending.


IV. Characteristics of OSB Boards Made from Pine   

1.  Outstanding Mechanical Properties: Particularly suitable for producing structural grades like OSB/3 and OSB/4.

2.  Good Dimensional Stability: Low expansion coefficient and minimal deformation when moisture content changes.

3.  High Durability: Natural resin content provides some resistance to decay and insects.

4.  Excellent Environmental Performance: Can use formaldehyde-free MDI adhesives to meet standards like CARB P2 and F★★★★.

5.  Wide Range of Applications: Suitable for structural uses like walls, roofs, flooring, and packaging.

6.  Good Surface Quality: Neat strands and high surface flatness.


Production Process  


The production of all-pine OSB is a highly automated and continuous process. Its core lies in creating strands with a high length-to-width ratio and orienting them, thereby endowing the board with superior mechanical properties. The main production process is as follows:


I. Raw Material Preparation Section  

1.  Debarking & Bucking:

      Process: Purchased pine logs are fed through a Debarker to remove bark (which affects bonding and appearance), and then cut into specific-length logs by a Bucking Saw according to process requirements.

      Purpose: To obtain clean, uniform-length logs for subsequent stranding.


2.  Stranding:

      Process: This is a key step in OSB production. The logs are fed into a large Disk Strander or Drum Strander. Under the action of high-speed rotating knives, they are sliced into ideal long, narrow, thin strands. Their length, thickness, and width must be precisely controlled.

      Purpose: To produce high-quality strands of uniform morphology suitable for oriented layering.


3.  Screening & Storage:

      Process: The mixture of strands is passed through a Screening System. Over-sized strands are sent back to a re-crusher for reprocessing, qualified strands are conveyed to storage bins, and fines/dust are removed or used for energy.

      Purpose: To ensure uniform strand size for the next Process.


II. Strand Processing Section  

1.  Drying:

      Process: Qualified wet strands pass through a Rotary Drum Dryer or Flash Tube Dryer, where they are fully exposed to high-temperature hot air to reduce their moisture content from 40%-60% to a precise low level (typically 2%-4%).

      Purpose: To ensure subsequent bonding quality, prevent blistering, and reduce formaldehyde emissions (if formaldehyde-based resins are used).


2.  Blending (Resin & Additive Application):

      Process: Dried strands enter a Ring Blender. Here, strands are thoroughly and uniformly mixed with wax (for water resistance), catalyst, and the core adhesive (typically MDI isocyanate or Phenolic PF resin).

      Purpose: To coat each strand surface evenly with adhesive and functional additives, which is the foundation for the board's strength and water resistance.


III. Forming & Pre-pressing Section  

1.  Oriented Forming:

      Process: This is the defining工序 that distinguishes OSB from ordinary particleboard. Blended strands are fed into an Oriented Forming Station. Via mechanical spreaders or electrostatic orientation systems, the strands are aligned in预设 directions, typically in a three-layer structure: surface strands are oriented longitudinally, while core strands are oriented cross-wise, mimicking the cross-laminated structure of plywood.

      Purpose: To significantly enhance the mechanical strength of the board in both longitudinal and transverse directions through oriented alignment.


2.  Pre-pressing:

      Process: The loose, formed mat first passes through a Continuous Pre-press, where it is initially compressed under high linear pressure to remove air, increase density, and form a coherent "mat band" with initial strength.

      Purpose: To give the mat sufficient green strength for lossless transport into the press and to reduce press opening during hot pressing.


IV. Hot Pressing & Curing Section  

Hot Pressing:

      Process: The mat enters the core equipment—a Continuous Press or Multi-opening Press. Under high temperature (200-220°C) and high pressure (3-5 MPa), the adhesive cures rapidly, permanently bonding the loose strands into a solid panel.

      Purpose: To cure the board and achieve the target thickness and density. Continuous presses allow for infinite-length board production with extremely high efficiency.


V. Finishing Section  

1.  Cooling & Cutting:

      Process: The hot board from the press first enters a Board Cooling Turner for forced cooling to stabilize its properties. It is then cut to standard market sizes (e.g., 1220mm x 2440mm) by Cross-Cut and Edge Trim Saws.

      Purpose: To relieve internal stress, prevent warping, and achieve final dimensions.


2.  Stacking & Packaging:

      Process: Finished boards are stacked by an Automatic Stacker, then inspected, packaged (often wrapped in waterproof plastic film), and sent to storage.

      Purpose: To protect the boards for storage and shipment.


OSB Production process_副本


Production Equipment  


I. Raw Material Processing Section

1. Debarker: Drum or knife-ring type design, efficiently removes bark from pine logs

2. Bucking Saw: Heavy-duty chain or circular type, cuts logs to process length

3. Strander: Core equipment with special knife design, produces 40-120mm long quality strands

4. Re-crusher: Processes over-sized strands, optimizes strand specification

5. Screening System: Multi-deck screens, precisely separates qualified strands, oversize and fines


Log debarking

peeling machine

OSB Wood Flaker Machinery

wood flaker machine

Oriented Strand Board Vibrating Screen

vibrating screen



II. Drying & Blending Section

1. Rotary Drum Dryer: Triple-pass design, high thermal efficiency, stable capacity

2. Ring Blender: Large stainless steel rotor, ensures uniform resin distribution

3. Resin Preparation System: MDI/PF resin storage, metering and delivery units

4. Wax Emulsification System: Prepares and applies water repellent

5. Drying Control System: Online moisture detection, precise final MC control


MINGHUNG Oriented Strand Board Dryer System

dryer system

Glue Sizing System for MINGHUNG Oriented Strand Board

glue sizing system



III. Forming & Layering Section

1. Oriented Forming Head: Mechanical or electrostatic type, achieves precise strand orientation

2. Surface Layer Forming: Longitudinal orientation, provides panel bending strength

3. Core Layer Forming: Cross-direction orientation, balances internal stress

4. Metering Bin System: Precisely controls each layer's strand quantity

5. Mat Weighing System: Real-time mat weight monitoring, ensures uniform density


OSB forming machine



IV. Pressing & Curing Section

1. Continuous Press: German technology, platen length up to 60+ meters

2. Steel Belt System: High-strength alloy belt, special surface treatment

3. Heating System: Hot oil or steam heating, uniform temperature distribution

4. Thickness Control: Laser thickness measurement, real-time press opening adjustment

5. Hydraulic System: High-flow servo hydraulics, precise pressure control


MINGHUNG Continuous Hot Press Machine Line Chipboard Production Line



V. Finishing Section

1. Board Cooler: 18-24 hour cycling cooling, relieves internal stress

2. Cut-to-size Saw: CNC system, accurate dimensional cutting

3. Sanding Machine: Heavy-duty 4 or 6 head wide belt sander, ensures thickness tolerance

4. Automatic Stacker: Robot or gantry type, high-efficiency stacking

5. Packaging System: Auto stretch wrapping, waterproof packaging


PB MDF OSB Continuous Belt Hot Press Machine Line

dryer rack

MINGHUNG MDF PB OSB Edge Trimming And Cutting Machine

cross-cut saw

MDF PB Sanding Machine

OSB sander machine



VI. Auxiliary Systems

1. Energy Center: Biomass-fired, provides thermal energy for drying and pressing

2. Dust Collection: Centralized baghouse filter, meets emission standards

3. Electrical Control: Siemens/Schneider PLC, fully automatic control

4. Quality Control: Online density detection, internal bond strength monitoring



Technical Advantages:

High Automation: Siemens S7-1500 PLC control system

Energy Saving: Heat recovery rate over 85%

Precision: Thickness tolerance ±0.15mm

Capacity: Annual output 400,000 m³

Quality: Meets EN300 OSB/3, OSB/4 standards



MINGHUNG wood based panel production line


Application Scenarios  

I. Construction Engineering (Primary Market)

1. Wall SystemsLight gauge steel stud wall sheathing,Wood frame construction wall panels,Concrete formwork (one-time use),Shear wall panels


2. Roofing SystemsRoof decking (roof sheathing),Roof waterproofing substrate,Pitched roof load-bearing panels


3. Flooring SystemsWood frame construction floor decking, Underfloor heating substrate,

Raised floor substrate,Sports venue floor substrate


4. Special Construction ApplicationsTemporary building envelopes,Construction site temporary facilities,Prefabricated building modules,Noise barrier panels



II. Interior Decoration

1. Decoration SubstrateWall decoration substrate,Ceiling substrate,Feature wall substrate


2. Custom ApplicationsIndustrial-style decorative walls,Creative partition walls, Feature ceiling decorations



III. Packaging & Logistics

1. Heavy-Duty PackagingMachinery equipment packaging cases,Automotive parts packaging,

Large instrument transport packaging


2. Logistics & TransportationPallet deck boards, Container liner panels,Warehouse shelf dividers



IV. Furniture Manufacturing

1. Furniture SubstrateDIY furniture boards,Outdoor furniture substrate, Industrial-style furniture


2. Special ApplicationsExhibition stand construction,Store display racks,Warehouse storage shelving



V. Other Industrial Applications

1. Vehicle ManufacturingRV interior panels,Truck body panels,Special vehicle interiors


2. Agricultural ApplicationsLivestock housing partitions,Agricultural storage facilities,Greenhouse structural materials


Key Advantages in Applications:

Structural Strength: Excellent load-bearing capacity

Moisture Resistance: Suitable for humid environments (OSB/3, OSB/4 grades)

Dimensional Stability: Minimal expansion and contraction

Nail Holding Capacity: Excellent fastener retention

Sustainability: Made from renewable pine resources

Cost-Effectiveness: Economical alternative to plywood


Scale of 400,000 m³/Year  


Global Production Positioning

A 400,000 m³/year OSB production line is classified as a large-scale modern production facility, It ranks among the top echelon of global OSB single-line production capacity in the global OSB industry, reaches the scale of world-class large production lines (international advanced lines typically range 300,000-700,000 m³/year), technical level meets European EN300 OSB/3, OSB/4 standards




Market Influence


1. Supply Capacity

  Can meet packaging demand for 100,000 standard containers

  Can provide 5 million m² of construction structural panels

  Can satisfy panel demand for 20,000 wood structure houses


2. Industry Impact

  Capable of influencing regional market prices

  Can lead product quality standard setting

  Strong driving effect on upstream and downstream industrial chains





The 400,000 m³/year OSB production line represents a globally advanced, domestically leading extra-large modern production facility with significant scale advantages, technical advantages, and market competitive advantages.




Shandong MingHung OSB&MDF Machinery Equipment is a China professional factory who specilize in manufacturering and offering Wood based panel machine, including OSB making machine, MDF making machine, and Chipboard /PB making machine.

Our factory with the advanced processing lathes, Mature production technology, and Professional engineers and technicians, and independent ability of reasearch and development, and quickly service, ensure that we have the ability to offer you the suitable and good woodworking machinery as different conditions and requires.


China wood based panel machinery


Our production workshop  

China factory and manufacturer of Chipboard OSB MDF HDF Machinery EquipmentChina chipboard machine supplierparticleboard forming machine productionhydraulic station for particle board machines



Exhibition  


We regularly participate in international industry exhibitions based on the company's business development and customer needs. On one hand, this helps us showcase our company's strength and expand new customers. On the other hand, we visit existing customers for follow-up visits, thereby enhancing the bond between them.


SHANDONG MINGHUNG OSB&MDF MACHINERYMINGHUNG Wood Machinery




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Email: osbmdfmachinery@gmail.com





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