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MINGHUNG
I. Introduction to High-Density Fiberboard (HDF)
HDF is a premium category of fiberboard manufactured from wood fibers under high temperature and pressure, with a density ≥800 kg/m³.
Physical Characteristics:
High density (800-1000 kg/m³), uniform structure, smooth and fine surface.
Limited thickness range (typically 1.5-8mm), suitable for precision processing.
High strength and superior deformation resistance compared to Medium-Density Fiberboard (MDF).
II. Overview of HDF Production Process
1. Raw Material Preparation: Wood chipping → Cleaning & Screening → Fiber refining via heat/steam (thermomechanical pulping).
2. Resin Application & Drying: Fibers blended with urea-formaldehyde resin (or eco-friendly alternatives) → Dried to 8-12% moisture content.
3. Mat Formation: Uniform fiber mat formed via air or mechanical forming.
4. Continuous Hot Pressing: Core stage where the fiber mat is cured under high temperature and pressure in a continuous press.
5. Finishing: Cooling → Trimming → Sanding → Quality grading & inspection.

III. Working Principle of HDF Continuous Press
Core Process: The fiber mat moves continuously between two revolving steel belts, subjected to precisely controlled, multi-stage pressure and temperature.
Three-Stage Curing:
1. Pre-pressing Zone: Low pressure compacts the mat and removes air.
2. Main Pressing Zone: High temperature (180-220°C) and pressure (2-5 MPa) rapidly cure the resin.
3. Pressure Release Zone: Pressure is gradually reduced in steps to release internal stresses and minimize springback.
Continuous Feeding: Steel belts move continuously (speed: 10-100 m/min), enabling non-stop production.
IV. Main Components of a Continuous Press
Component | Function |
1. Steel Belt System | Two heat-resistant alloy steel belts carry and transport the fiber mat; polished surfaces ensure panel smoothness. |
2. Hydraulic System | Provides segmented pressure control (hundreds of independently adjustable cylinders) to meet requirements of different pressing stages. |
3. Heating System | Heat transfer oil or steam-heated platens with zonal temperature control (±1°C accuracy) ensure uniform curing. |
4. Forming & Infeed | Forms a uniform fiber mat, pre-presses it, and feeds it into the press. |
5. Control Center | PLC/Computer systems for real-time monitoring and optimization of pressure, temperature, and speed parameters. |
6. Cooling & Cutting | Cools the pressed board for stabilization and automatically cuts it to standard dimensions. |

V. Technical Features
1. High Efficiency & Continuous Production: 24/7 operation; single-line capacity reaches 1,500-2,500 m³/day.
2. Precision Control:
Segmented Pressure: 30-50 independent pressure zones adapt to varying density requirements.
Temperature Gradients: Zonal temperature control along the press length minimizes internal stresses.
3. Energy Efficiency:
Heat recovery systems (e.g., waste gas combustion reuse).
20-30% lower energy consumption than batch presses for thin board production.
4. Intelligent Operation: AI algorithms optimize parameters; automatic fault diagnosis (e.g., steel belt deviation warning).
VI. Key Advantages
Advantage | Description |
High Productivity | 3-5 times faster than multi-opening presses, ideal for mass production. |
Consistent Quality | Uniform pressure/temperature ensure minimal density deviation (≤3%) and low warping. |
Environmental Benefits | Closed resin application reduces formaldehyde emissions; low energy consumption aligns with green manufacturing standards. |
Operational Flexibility | Quick changeovers for thickness (1.5-15mm) and surface texture (smooth/embossed). |
High Automation Level | Minimal manual intervention; yield rate ≥99%. |
VII. Application Scenarios
1. Flooring Core Layer: Primary use (over 60% of global HDF consumption) for laminate flooring.
2. Furniture Manufacturing: Components requiring high strength and thin profiles (e.g., cabinet doors, back panels).
3. Decorative Surfaces: Base material for UV-coated panels, fire-resistant boards.
4. Industrial Uses: Packaging cases, speaker baffles, door cores.
5. Emerging Fields: 3D-printed building modules, interior substrates for new energy vehicles.
We maintain a long-term cooperation with a well-known freight forwarding company, and adhere to the customer-first philosophy. We strictly implement the quality inspection process before shipment to ensure that each batch of products meets international quality standards, We deeply understand that high-quality service is the cornerstone of winning customer trust, and we always create value for customers with professional and efficient supply chain management. We sincerely invite you to join hands and work together to createa win-win future.
Pre-sales service:
1) Listen to customer needs
2) Provide preliminary machine design and flow chart for free, select and provide the most reasonable configuration equipment:
3) Support remote meetings and remote factory visits;
4) Provide professional advice to customers and confirm the final selection
5) Support on-site factory visits;
On-purchase service:
1) All equipment must be installed and debugged before leaving the factory, and remote video quality inspection is supported;
2) All machines must be unpacked before leaving the factory, and photos, videos, and annotations must be provided;
3) Free online or offline training for buyers' operators (domestic)
4) Assist buyers in installing and debugging equipment (overseas)
After-sales service:
1) 7*24 hours online service, remote real-time video solution;
2) During the first installation and debugging process, problems encountered during normal operation are solved in time:
3) Regular process inspection and use effect, timely machine maintenance suggestions:
4) Lifetime free technical guidance
5) Timely update the latest industry information.
Shandong MINGHUNG Wood Based Panel Machinery Co.,Ltd Located in Xiaogezhuang Industrial Zone, Yitang Town, Lanshan District, Linyi City. The city has a strong foundation for the artificial panel industry and strong innovation capabilities. It is the leading manufacturer of artificial panel machinery and equipment. The important production base is 30km away from Linyi Airport. MINGHUNG Company provides a complete set of process design, electrical design and manufacturing, We can provide one-stop complete factory solutions for wood-based panel customers.
MINGHUNG product series include medium density fiberboard (MDF), high density fiberboard (HDF), particle board (PB), oriented strand board (OSB), veneerable super strong particle board (LSB) multi-layer heat press production line, double-sided fixed thickness broadband Sanding machine, gauge saw, mechanical paving machine, air flow paving machine, channel dryer, super screen, post-processing system artificial panel cooling system, turning machine, stacker, storage and transportation trolley. etc. For artificial panel equipment. Mainly involved in particleboard, medium density fiberboard, oriented strand board, multilayer plywood machinery. In addition to providing a complete new brand production line, MINGHUNG is a leading manufacturer of regulating glue and glue mixing systems. It has created many glue blending technologies and promoted them worldwide, and is also a supplier of innovative online and laboratory quality control equipment.


Start Your Order Process Easily: Get a Detailed Quote & Global Shipping Options!
Our contacts:
Whatsapp: +8618769900191 +8615589105786 +8618954906501
Email: osbmdfmachinery@gmail.com
I. Introduction to High-Density Fiberboard (HDF)
HDF is a premium category of fiberboard manufactured from wood fibers under high temperature and pressure, with a density ≥800 kg/m³.
Physical Characteristics:
High density (800-1000 kg/m³), uniform structure, smooth and fine surface.
Limited thickness range (typically 1.5-8mm), suitable for precision processing.
High strength and superior deformation resistance compared to Medium-Density Fiberboard (MDF).
II. Overview of HDF Production Process
1. Raw Material Preparation: Wood chipping → Cleaning & Screening → Fiber refining via heat/steam (thermomechanical pulping).
2. Resin Application & Drying: Fibers blended with urea-formaldehyde resin (or eco-friendly alternatives) → Dried to 8-12% moisture content.
3. Mat Formation: Uniform fiber mat formed via air or mechanical forming.
4. Continuous Hot Pressing: Core stage where the fiber mat is cured under high temperature and pressure in a continuous press.
5. Finishing: Cooling → Trimming → Sanding → Quality grading & inspection.

III. Working Principle of HDF Continuous Press
Core Process: The fiber mat moves continuously between two revolving steel belts, subjected to precisely controlled, multi-stage pressure and temperature.
Three-Stage Curing:
1. Pre-pressing Zone: Low pressure compacts the mat and removes air.
2. Main Pressing Zone: High temperature (180-220°C) and pressure (2-5 MPa) rapidly cure the resin.
3. Pressure Release Zone: Pressure is gradually reduced in steps to release internal stresses and minimize springback.
Continuous Feeding: Steel belts move continuously (speed: 10-100 m/min), enabling non-stop production.
IV. Main Components of a Continuous Press
Component | Function |
1. Steel Belt System | Two heat-resistant alloy steel belts carry and transport the fiber mat; polished surfaces ensure panel smoothness. |
2. Hydraulic System | Provides segmented pressure control (hundreds of independently adjustable cylinders) to meet requirements of different pressing stages. |
3. Heating System | Heat transfer oil or steam-heated platens with zonal temperature control (±1°C accuracy) ensure uniform curing. |
4. Forming & Infeed | Forms a uniform fiber mat, pre-presses it, and feeds it into the press. |
5. Control Center | PLC/Computer systems for real-time monitoring and optimization of pressure, temperature, and speed parameters. |
6. Cooling & Cutting | Cools the pressed board for stabilization and automatically cuts it to standard dimensions. |

V. Technical Features
1. High Efficiency & Continuous Production: 24/7 operation; single-line capacity reaches 1,500-2,500 m³/day.
2. Precision Control:
Segmented Pressure: 30-50 independent pressure zones adapt to varying density requirements.
Temperature Gradients: Zonal temperature control along the press length minimizes internal stresses.
3. Energy Efficiency:
Heat recovery systems (e.g., waste gas combustion reuse).
20-30% lower energy consumption than batch presses for thin board production.
4. Intelligent Operation: AI algorithms optimize parameters; automatic fault diagnosis (e.g., steel belt deviation warning).
VI. Key Advantages
Advantage | Description |
High Productivity | 3-5 times faster than multi-opening presses, ideal for mass production. |
Consistent Quality | Uniform pressure/temperature ensure minimal density deviation (≤3%) and low warping. |
Environmental Benefits | Closed resin application reduces formaldehyde emissions; low energy consumption aligns with green manufacturing standards. |
Operational Flexibility | Quick changeovers for thickness (1.5-15mm) and surface texture (smooth/embossed). |
High Automation Level | Minimal manual intervention; yield rate ≥99%. |
VII. Application Scenarios
1. Flooring Core Layer: Primary use (over 60% of global HDF consumption) for laminate flooring.
2. Furniture Manufacturing: Components requiring high strength and thin profiles (e.g., cabinet doors, back panels).
3. Decorative Surfaces: Base material for UV-coated panels, fire-resistant boards.
4. Industrial Uses: Packaging cases, speaker baffles, door cores.
5. Emerging Fields: 3D-printed building modules, interior substrates for new energy vehicles.
We maintain a long-term cooperation with a well-known freight forwarding company, and adhere to the customer-first philosophy. We strictly implement the quality inspection process before shipment to ensure that each batch of products meets international quality standards, We deeply understand that high-quality service is the cornerstone of winning customer trust, and we always create value for customers with professional and efficient supply chain management. We sincerely invite you to join hands and work together to createa win-win future.
Pre-sales service:
1) Listen to customer needs
2) Provide preliminary machine design and flow chart for free, select and provide the most reasonable configuration equipment:
3) Support remote meetings and remote factory visits;
4) Provide professional advice to customers and confirm the final selection
5) Support on-site factory visits;
On-purchase service:
1) All equipment must be installed and debugged before leaving the factory, and remote video quality inspection is supported;
2) All machines must be unpacked before leaving the factory, and photos, videos, and annotations must be provided;
3) Free online or offline training for buyers' operators (domestic)
4) Assist buyers in installing and debugging equipment (overseas)
After-sales service:
1) 7*24 hours online service, remote real-time video solution;
2) During the first installation and debugging process, problems encountered during normal operation are solved in time:
3) Regular process inspection and use effect, timely machine maintenance suggestions:
4) Lifetime free technical guidance
5) Timely update the latest industry information.
Shandong MINGHUNG Wood Based Panel Machinery Co.,Ltd Located in Xiaogezhuang Industrial Zone, Yitang Town, Lanshan District, Linyi City. The city has a strong foundation for the artificial panel industry and strong innovation capabilities. It is the leading manufacturer of artificial panel machinery and equipment. The important production base is 30km away from Linyi Airport. MINGHUNG Company provides a complete set of process design, electrical design and manufacturing, We can provide one-stop complete factory solutions for wood-based panel customers.
MINGHUNG product series include medium density fiberboard (MDF), high density fiberboard (HDF), particle board (PB), oriented strand board (OSB), veneerable super strong particle board (LSB) multi-layer heat press production line, double-sided fixed thickness broadband Sanding machine, gauge saw, mechanical paving machine, air flow paving machine, channel dryer, super screen, post-processing system artificial panel cooling system, turning machine, stacker, storage and transportation trolley. etc. For artificial panel equipment. Mainly involved in particleboard, medium density fiberboard, oriented strand board, multilayer plywood machinery. In addition to providing a complete new brand production line, MINGHUNG is a leading manufacturer of regulating glue and glue mixing systems. It has created many glue blending technologies and promoted them worldwide, and is also a supplier of innovative online and laboratory quality control equipment.


Start Your Order Process Easily: Get a Detailed Quote & Global Shipping Options!
Our contacts:
Whatsapp: +8618769900191 +8615589105786 +8618954906501
Email: osbmdfmachinery@gmail.com
As Christmas approaches, Shandong MINGHUNG wood based panel machinery Co., Ltd. has welcomed another peak in shipments.
In early December 2025, the culmination of close collaboration between the MINGHUNG foreign trade team and our partners — 9 containers fully loaded with the core equipment for a plywood production line .
Shandong Minghung Wood Machinery Factory Shandong minghung wood machine factory produces plywood machinery in linyi city city, china, dedicated to providing high-quality and suitable machines veneer machine,plywood machine,veneer splicing machine.veneer dryer machine,veneer peeling machine,plywood v
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