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MH-OSB
MINGHUNG
I. Core Machinery and Equipment Required
A complete OSB production line achieving this capacity is a highly automated, large-scale industrial system requiring significant investment. Its main core equipment includes:
1. Raw Material Preparation Section
Debarker & Stranders: Logs (typically fast-growing poplar, pine, etc.) are first fed through a drum or ring debarker to remove bark. Then, large-scale disc or drum chippers cut the logs into specific-sized wood chips, which are the base material for creating strands.
Stranders / Flakers: This is the core equipment for producing the "oriented strand" in OSB. The wood chips are fed into large stranders and cut along the grain into strands of specified dimensions, typically 50-100mm long, 10-25mm wide, and 0.5-0.8mm thick. High-quality strands are essential for ensuring the strength and performance of the OSB.
2. Drying and Screening Section
Rotary Drum Dryers: The moisture content of the strands must be reduced from the initial 30%-60% down to 2%-4%. Large rotary drum dryers use hot gases (usually from the energy plant) to dry the strands efficiently and uniformly.
Screening and Sorting System: The dried strands are sorted through multi-deck vibrating screens. Qualified surface and core layer strands are conveyed to separate storage silos; overly fine particles are removed (can be used as fuel for the energy plant); oversized strands are sent back to the chipping or stranding process for re-processing.
3. Blending and Mat Forming Section
Blenders: This is the "heart" of production. Separate face blender and core blender are used. The strands are uniformly mixed with MDI resin (isocyanate) or PF resin (phenol-formaldehyde resin) in high-speed rotating blenders. MDI resin is the preferred choice for high-end OSB due to its superior waterproofing, high bonding strength, and low formaldehyde emissions.
Mat Former / Orienter: This is the key equipment for achieving the "oriented" structure of OSB. Through mechanical or electrostatic means, the surface layer strands are oriented and laid along the length direction (machine direction) of the panel, while the core layer strands are laid randomly or perpendicularly, forming a three-layer (or multi-layer) oriented mat. This cross-oriented structure gives OSB its high strength and dimensional stability.
4. Pressing and Finishing Section
Continuous Press: This is the signature equipment of a modern, high-output OSB line (e.g., presses from Dieffenbacher or Siempelkamp). The formed mat is continuously fed via steel belts into an extremely long (dozens of meters) hot press. Under high temperature (200-220°C) and high pressure (30-40 bar), the resin cures rapidly, pressing the strands into a solid panel. Continuous presses produce panels with uniform density, consistent quality, and extremely high efficiency.
Cooling and Stacking System: The panels exiting the press are very hot and must enter a star cooler or similar for forced cooling to stabilize internal stresses and prevent warping. The cooled panels are stacked by automatic stackers.
Sawing and Sanding Line: Large vertical and horizontal saws cut the continuous panel into required sizes (e.g., 2440mm x 1220mm). Then, the panels pass through a calibrating sander for surface sanding, ensuring precise thickness and a smooth surface, providing an excellent base for further processing or use.
5. Auxiliary Systems
Energy Plant: Provides heat for core equipment (dryers, press). Typically uses waste materials from the production process like bark, fines, and sander dust as biomass fuel, making it energy-efficient and environmentally friendly.
Dust & Exhaust Treatment System: Ensures dust and VOC (Volatile Organic Compound) emissions from the entire production process meet environmental standards.
II. OSB Production Process Flow
The production process closely corresponds to the equipment described above, summarized as follows:
1. Raw Material Preparation: Logs → Debarking → Chipping → Stranding (producing qualified strands).
2. Drying & Sorting: Strand drying → Screening & sorting (separating surface and core layer material).
3. Blending: Surface and core strands are separately fed into their respective blenders and uniformly mixed with resin, wax (water repellent), etc.
4. Mat Forming: The resinated strands are formed into an oriented structure mat via the former (surface strands longitudinal, core strands transverse or random).
5. Pre-pressing & Hot Pressing: The mat is first lightly compressed in a pre-press and then enters the continuous hot press, where the resin cures under high temperature and pressure, forming the solid panel.
6. Finishing: Pressed panel → Cooling → Trimming/Sizing → Sanding → Inspection & Grading.
7. Packaging & Storage: Qualified products are packaged, labeled, and stored.
III. Main Application Scenarios
25mm is considered extra-thick OSB, characterized by its extremely high load-bearing capacity and structural strength, and is used in demanding performance applications:
1. Construction Structural Applications
I-Joist Webs: One of its primary uses is as the web material for prefabricated I-joists, used in load-bearing systems for roofs, floors, and subfloors.
Heavy Timber Framing: Used for load-bearing components like wall studs, roof trusses, beams, and columns in timber frame construction, especially in large public buildings, gymnasiums, warehouses, and other long-span structures.
Concrete Formwork: Used as single-use or limited reuse (often called "concert form" board) concrete formwork panels. The surface is often specially treated to be smooth and resistant to water immersion, allowing for multiple reuses.
2. Logistics & Transportation Applications
Container Flooring: This is a classic application for 25mm high-density OSB. It must withstand concentrated loads of several tons and long-term dynamic fatigue, requiring extremely high strength, wear resistance, impact resistance, and moisture resistance.
Truck & Trailer Flooring and Bodies: Similarly used for carrying heavy loads, requiring robust and durable panels.
3. Industrial & Decorative Applications
Industrial Workbenches, Shelving, and Pallets: Used in workshops and factories to support heavy machinery or goods.
DIY Furniture and Creative Décor: Valued by designers and DIY enthusiasts for its substantial feel and load-bearing capacity, used for making heavy-duty tabletops, shelves, bar tops, etc., often requiring veneering or finishing.
IV. What is Meant by High-Density OSB?
"High density" is a very important performance indicator in OSB. It does not refer to a single parameter but represents a comprehensive manifestation of performance.
1. Physical Definition:
The density of standard OSB typically ranges from 600-680 kg/m³.
High-Density OSB usually has a density of 700 kg/m³ or higher, potentially reaching 750-800 kg/m³. Achieving high density for a 25mm thick panel requires higher press pressure and more precise process control.
2. How is High Density Achieved?
Higher Hot Press Pressure: Applying greater pressure during pressing compresses the strands more tightly, reducing the void space within the panel.
Finer Strand Morphology: Using more uniform, thinner strands allows for better interweaving and filling under pressure.
High-Quality Raw Materials and Resin: Wood raw material with inherently higher density, combined with high-bonding strength resins like MDI which have good penetration, allows for the formation of a denser mat under high pressure.
3. Performance Advantages Conferred by High Density:
Exceptional Mechanical Strength: Density is directly correlated with strength. High density translates directly to higher Modulus of Rupture (MOR), Modulus of Elasticity (MOE), and Internal Bond (IB) strength, giving it far superior load-bearing, bending resistance, and deformation resistance compared to standard OSB.
Excellent Impact Resistance and Wear Resistance: The dense surface makes it more resistant to impact from heavy objects, scraping, and abrasion, which is critical for container and truck flooring applications.
Improved Screw Holding Capacity and Fastener Retention: Screws and nails grip tightly into the dense material and are less likely to loosen or pull out.
Enhanced Edge Performance: The panel edges are stronger, less prone to chipping or breaking, and are smoother when machined (e.g., sawing, routing).
Higher Dimensional Stability: Exhibits less deformation under changes in temperature and humidity.
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.
The machines we can offer includes: Wood chipper, Ring flaker, Strander, Wet silo, Drum dryer, Dry silo, Glue dosing and applying system /Glue blender, Mat forming, Continuous Multi-rolls pre-press, Multi opening hot press and Continuous press, Auto edge cutting machine line, Sanding machine line, kinds of related belt conveyor and so on.
Development history
2007-2010
2007 -Our factory started to manufacture the full sets of OSB、PB、MDF Production line.
2013
Shandong Hungyou intelligent Equipment Industry ResearchCo..Ltd established, for plywood machinery and OSB、PB、MDF machinery research and development.The main research direction is to realize the automation of Plywood machinery.
2015
Linyi Ming Hung Trade Co.,Ltd established, the development focus has began to Foreignmarket, to service more foreign customers.
2017
Our High-end brand -ShandongMinghung OSB&MDF Machinery Equipment Manufacturing Co..Ltd established, mainly for foreign customers make the whole plant planning and design,achieve comprehensive high-end automation.
2018
Our High-end brand -Shandong MingHung Wood Machinery Co..Ltd established, mainly for foreign customers make the whole plant planning and design,achieve comprehensive high-end automation.
2022
Our factory's overseas business achieved significant growth,shipped machines to many different countriesl,ike America,Mexico,Columbia,Russia,Indonesia,Vietnam,Malaysia,Thailand,Egypt, TurkishUkraine, Romania, Portugal, Africaand others.
2024
We continue to adhere to the strategy of going global,to become one World brand.
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.
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
I. Core Machinery and Equipment Required
A complete OSB production line achieving this capacity is a highly automated, large-scale industrial system requiring significant investment. Its main core equipment includes:
1. Raw Material Preparation Section
Debarker & Stranders: Logs (typically fast-growing poplar, pine, etc.) are first fed through a drum or ring debarker to remove bark. Then, large-scale disc or drum chippers cut the logs into specific-sized wood chips, which are the base material for creating strands.
Stranders / Flakers: This is the core equipment for producing the "oriented strand" in OSB. The wood chips are fed into large stranders and cut along the grain into strands of specified dimensions, typically 50-100mm long, 10-25mm wide, and 0.5-0.8mm thick. High-quality strands are essential for ensuring the strength and performance of the OSB.
2. Drying and Screening Section
Rotary Drum Dryers: The moisture content of the strands must be reduced from the initial 30%-60% down to 2%-4%. Large rotary drum dryers use hot gases (usually from the energy plant) to dry the strands efficiently and uniformly.
Screening and Sorting System: The dried strands are sorted through multi-deck vibrating screens. Qualified surface and core layer strands are conveyed to separate storage silos; overly fine particles are removed (can be used as fuel for the energy plant); oversized strands are sent back to the chipping or stranding process for re-processing.
3. Blending and Mat Forming Section
Blenders: This is the "heart" of production. Separate face blender and core blender are used. The strands are uniformly mixed with MDI resin (isocyanate) or PF resin (phenol-formaldehyde resin) in high-speed rotating blenders. MDI resin is the preferred choice for high-end OSB due to its superior waterproofing, high bonding strength, and low formaldehyde emissions.
Mat Former / Orienter: This is the key equipment for achieving the "oriented" structure of OSB. Through mechanical or electrostatic means, the surface layer strands are oriented and laid along the length direction (machine direction) of the panel, while the core layer strands are laid randomly or perpendicularly, forming a three-layer (or multi-layer) oriented mat. This cross-oriented structure gives OSB its high strength and dimensional stability.
4. Pressing and Finishing Section
Continuous Press: This is the signature equipment of a modern, high-output OSB line (e.g., presses from Dieffenbacher or Siempelkamp). The formed mat is continuously fed via steel belts into an extremely long (dozens of meters) hot press. Under high temperature (200-220°C) and high pressure (30-40 bar), the resin cures rapidly, pressing the strands into a solid panel. Continuous presses produce panels with uniform density, consistent quality, and extremely high efficiency.
Cooling and Stacking System: The panels exiting the press are very hot and must enter a star cooler or similar for forced cooling to stabilize internal stresses and prevent warping. The cooled panels are stacked by automatic stackers.
Sawing and Sanding Line: Large vertical and horizontal saws cut the continuous panel into required sizes (e.g., 2440mm x 1220mm). Then, the panels pass through a calibrating sander for surface sanding, ensuring precise thickness and a smooth surface, providing an excellent base for further processing or use.
5. Auxiliary Systems
Energy Plant: Provides heat for core equipment (dryers, press). Typically uses waste materials from the production process like bark, fines, and sander dust as biomass fuel, making it energy-efficient and environmentally friendly.
Dust & Exhaust Treatment System: Ensures dust and VOC (Volatile Organic Compound) emissions from the entire production process meet environmental standards.
II. OSB Production Process Flow
The production process closely corresponds to the equipment described above, summarized as follows:
1. Raw Material Preparation: Logs → Debarking → Chipping → Stranding (producing qualified strands).
2. Drying & Sorting: Strand drying → Screening & sorting (separating surface and core layer material).
3. Blending: Surface and core strands are separately fed into their respective blenders and uniformly mixed with resin, wax (water repellent), etc.
4. Mat Forming: The resinated strands are formed into an oriented structure mat via the former (surface strands longitudinal, core strands transverse or random).
5. Pre-pressing & Hot Pressing: The mat is first lightly compressed in a pre-press and then enters the continuous hot press, where the resin cures under high temperature and pressure, forming the solid panel.
6. Finishing: Pressed panel → Cooling → Trimming/Sizing → Sanding → Inspection & Grading.
7. Packaging & Storage: Qualified products are packaged, labeled, and stored.
III. Main Application Scenarios
25mm is considered extra-thick OSB, characterized by its extremely high load-bearing capacity and structural strength, and is used in demanding performance applications:
1. Construction Structural Applications
I-Joist Webs: One of its primary uses is as the web material for prefabricated I-joists, used in load-bearing systems for roofs, floors, and subfloors.
Heavy Timber Framing: Used for load-bearing components like wall studs, roof trusses, beams, and columns in timber frame construction, especially in large public buildings, gymnasiums, warehouses, and other long-span structures.
Concrete Formwork: Used as single-use or limited reuse (often called "concert form" board) concrete formwork panels. The surface is often specially treated to be smooth and resistant to water immersion, allowing for multiple reuses.
2. Logistics & Transportation Applications
Container Flooring: This is a classic application for 25mm high-density OSB. It must withstand concentrated loads of several tons and long-term dynamic fatigue, requiring extremely high strength, wear resistance, impact resistance, and moisture resistance.
Truck & Trailer Flooring and Bodies: Similarly used for carrying heavy loads, requiring robust and durable panels.
3. Industrial & Decorative Applications
Industrial Workbenches, Shelving, and Pallets: Used in workshops and factories to support heavy machinery or goods.
DIY Furniture and Creative Décor: Valued by designers and DIY enthusiasts for its substantial feel and load-bearing capacity, used for making heavy-duty tabletops, shelves, bar tops, etc., often requiring veneering or finishing.
IV. What is Meant by High-Density OSB?
"High density" is a very important performance indicator in OSB. It does not refer to a single parameter but represents a comprehensive manifestation of performance.
1. Physical Definition:
The density of standard OSB typically ranges from 600-680 kg/m³.
High-Density OSB usually has a density of 700 kg/m³ or higher, potentially reaching 750-800 kg/m³. Achieving high density for a 25mm thick panel requires higher press pressure and more precise process control.
2. How is High Density Achieved?
Higher Hot Press Pressure: Applying greater pressure during pressing compresses the strands more tightly, reducing the void space within the panel.
Finer Strand Morphology: Using more uniform, thinner strands allows for better interweaving and filling under pressure.
High-Quality Raw Materials and Resin: Wood raw material with inherently higher density, combined with high-bonding strength resins like MDI which have good penetration, allows for the formation of a denser mat under high pressure.
3. Performance Advantages Conferred by High Density:
Exceptional Mechanical Strength: Density is directly correlated with strength. High density translates directly to higher Modulus of Rupture (MOR), Modulus of Elasticity (MOE), and Internal Bond (IB) strength, giving it far superior load-bearing, bending resistance, and deformation resistance compared to standard OSB.
Excellent Impact Resistance and Wear Resistance: The dense surface makes it more resistant to impact from heavy objects, scraping, and abrasion, which is critical for container and truck flooring applications.
Improved Screw Holding Capacity and Fastener Retention: Screws and nails grip tightly into the dense material and are less likely to loosen or pull out.
Enhanced Edge Performance: The panel edges are stronger, less prone to chipping or breaking, and are smoother when machined (e.g., sawing, routing).
Higher Dimensional Stability: Exhibits less deformation under changes in temperature and humidity.
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.
The machines we can offer includes: Wood chipper, Ring flaker, Strander, Wet silo, Drum dryer, Dry silo, Glue dosing and applying system /Glue blender, Mat forming, Continuous Multi-rolls pre-press, Multi opening hot press and Continuous press, Auto edge cutting machine line, Sanding machine line, kinds of related belt conveyor and so on.
Development history
2007-2010
2007 -Our factory started to manufacture the full sets of OSB、PB、MDF Production line.
2013
Shandong Hungyou intelligent Equipment Industry ResearchCo..Ltd established, for plywood machinery and OSB、PB、MDF machinery research and development.The main research direction is to realize the automation of Plywood machinery.
2015
Linyi Ming Hung Trade Co.,Ltd established, the development focus has began to Foreignmarket, to service more foreign customers.
2017
Our High-end brand -ShandongMinghung OSB&MDF Machinery Equipment Manufacturing Co..Ltd established, mainly for foreign customers make the whole plant planning and design,achieve comprehensive high-end automation.
2018
Our High-end brand -Shandong MingHung Wood Machinery Co..Ltd established, mainly for foreign customers make the whole plant planning and design,achieve comprehensive high-end automation.
2022
Our factory's overseas business achieved significant growth,shipped machines to many different countriesl,ike America,Mexico,Columbia,Russia,Indonesia,Vietnam,Malaysia,Thailand,Egypt, TurkishUkraine, Romania, Portugal, Africaand others.
2024
We continue to adhere to the strategy of going global,to become one World brand.
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.
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