Small Scale MDF Board Making Machine with 200cbm/Day with Lower Investment Cost

• Customization: Available
• After-sales Service: Lifespan
• Warranty: 1 Year
• Model NO.: MH-MDF-1000
• Type: MDF Board Making Machine
• Automatic: Automatic
• Certification: CE
• Name: Small Scale MDF Board Making Machine
• Capacity: 50-150m3/Day
• MDF Size: 1220*2440mm
• Thickness: 9-25mm
• Raw Materials: Wood Pine, Eucalyptus Rubber Wood
• Resin: UF, Muf
• Specification: 1220*2440mm
• Trademark: MINGHUNG
• Origin: China
• HS Code: 846596
• Production Capacity: 100sets/Year

Product Description

MDF Board Making Machine, Turnkey Project

A complete MDF Board making machine with small scale for per day 100-200cbm/day with lower investment cost. 
A complete MDF Sheets production line include Debarker, Drum chipper, Ring flaker, vibrating screener, Drum dryer, Refiner, Silo, MDF Glue blender, Continuous multi-rolls pre press, Multi-opening hot press machine with auto loader unloader, Cooling rack, Continuous double steel belt hot press, Automatic edges trimming machine with Calibrating machine line, Quality scanner for sorting different quality grades, Automatic transport cart, Thermal oil boiler, Steam boiler and so on

China MDF Board Making Machine

Drum Wood chipper /Wood crusher is a core piece of equipment for producing industrial wood chips, widely used in industries such as papermaking, wood-based panel manufacturing (e.g., particleboard and fiberboard), and biomass power generation. It processes raw materials—including logs, small-diameter timber, branches, and offcuts, as well as non-wood fibers like bamboo and reeds—into wood chips of uniform specifications.

Its core operating principle can be summarized as compression followed by cutting, with a screening and recirculation loop

· Forced Feeding: Upper and lower feed rollers compress the raw material and convey it into the cutting mechanism at a constant speed; this speed determines the approximate length of the wood chips.
· High-Speed cutting: The cutter drum is equipped with 2–4 knives that rotate at high speed against a bed knife to sever the material cleanly. Generally, a larger cutter drum diameter allows for the processing of larger-diameter raw materials (e.g., the BX2120 model can handle diameters up to 370 mm).
· Screening and Recirculation: Chips that meet specifications pass through the bottom screen for discharge, while oversized pieces are retained within the machine for further cutting, ensuring uniform finished product dimensions.

The equipment primarily consists of a welded high-strength steel body, the core cutter drum assembly, a feeding mechanism, and a hydraulic system to assist with maintenance.

Refiner -Wood Fiber Making

The fiber refiner is a core piece of equipment in production lines for medium-density fiberboard (MDF) and pulp. It separates plant fiber raw materials—such as wood chips—into fine, individual fibers under high temperature and pressure, preparing them for subsequent gluing, drying, and forming processes.

Its operation can be viewed as a "steaming and grinding" process, comprising three key stages:

· Preheating and Softening: Wood chips (typically from a chipper) first enter a digester (e.g., 1.6 meters in diameter), where high-temperature steam softens the lignin—a prerequisite for fiber separation.
· Dynamic Grinding: The core components are the rotating and stationary grinding discs. The grinding plates mounted on these discs feature distinct zones—breaking, coarse grinding, and fine grinding—arranged from the center outward; the wood chips are progressively disintegrated as the discs rotate relative to each other. The gap between the discs is critical and is precisely controlled by a hydraulic servo system (with an accuracy of 0.01 mm).
· High-Pressure Feeding: To prevent steam blowback, devices such as a plug screw feeder are used to form a material plug, ensuring the raw material is smoothly fed into the high-pressure grinding chamber.

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Drum Dryer -Fiber Humidity Drying

The fiber dryer is a critical energy-consuming component in wood-based panel (specifically MDF—Medium-Density Fiberboard) production lines. Its primary function is to rapidly and precisely reduce the moisture content of wet fibers—discharged from the refiner—from over 30% to a range of 8%–12%. Crucially, this process must be executed without causing the premature curing (and consequent loss of effectiveness) of adhesives, such as urea-formaldehyde resin, already adhering to the fibers.

Current industry standards primarily utilize the pneumatic (or flash) drying principle:

· Core Process: High-speed hot airflow disperses, suspends, and conveys the wet fibers, facilitating instantaneous heat exchange within the ductwork.
· Key Parameters: To ensure bonding quality, the entire drying process must be completed within one minute, with precise temperature control to prevent premature adhesive curing.

Depending on specific process requirements, fiber dryers generally fall into the following categories:

· Industrial-grade pneumatic dryers (Mainstream): Continuous pipeline-based operation with high throughput, suitable for large-scale MDF production lines. Energy costs for the heat source (e.g., hot-blast stoves) account for over 50% of the total line's energy consumption.
· Small-scale laboratory dryers: Designed for R&D, these feature low-temperature, rapid operation and automatic temperature control; they simulate production line conditions while preventing premature adhesive curing.
· Specialized process dryers: These include belt dryers (utilizing hot-air penetration) for materials like palm fiber, vacuum rake dryers (employing indirect heating and agitation) for heat-sensitive fibers, and even microwave drying systems for targeted processing.

"Mattress" Making /Forming Line

The MDF forming machine acts as the "stylist" that determines the quality of the finished product in an MDF production line. Its core task is to distribute resin-coated, dried fibers into a continuous mat with uniform thickness and consistent density, laying the groundwork for the subsequent hot-pressing process.

Based on their forming principles, mainstream equipment falls into two categories:

Mechanical Forming Machines

· Principle: Uses mechanical components—such as needle rollers and throwing rollers—to loosen the fibers, allowing them to settle naturally under gravity to form the mat.
· Characteristics: Features a classic, traditional design (e.g., early Siempelkamp models) but is somewhat less effective at controlling fiber orientation and density uniformity.
· Application: Widely used in low-to-mid-capacity production lines; costs are relatively manageable.

Vacuum Air-Flow Forming Machines (Current Mainstream Choice)

· Principle: Builds upon mechanical forming by placing a vacuum box beneath the conveyor belt. Suction forces ensure the fibers settle in a more orderly and compact manner.
· Key Improvements: Modern models (e.g., patented design CN101259633B) utilize adjustable vacuum box positioning and zoned control to eliminate material buildup at the discharge outlet and prevent mat "lofting" (fluffing up), significantly enhancing mat quality.
· Advantages: Delivers higher mat density and superior uniformity; represents the mainstream choice for modern MDF production lines.

Multi-rolls Pre pressing machine

The MDF continuous pre-press acts as a "shaping bridge" connecting the mat-forming and hot-pressing stages. Its primary function is to compact the loose mat formed during the initial stage and expel air, ensuring sufficient density and structural integrity to prevent breakage or deformation before the mat enters the hot press.

Its operation centers on "compaction" and "air evacuation." Specifically:

Working Principle and Structure

Current mainstream designs utilize a roller-based system, achieving progressive compression through multiple sets of pressure rollers.

· "Alligator-Mouth" Inlet: The upper and lower rollers at the inlet are angled to open wide—resembling an alligator's mouth—to guide the loose mat smoothly into the machine and prevent material pile-up or damage during feeding.
· Rapid Air Evacuation and Pressure Maintenance: Upon entry, the mat undergoes rapid compression to expel a large volume of air, followed by passage through a pressure-maintenance zone where it is subjected to sustained high pressure. This stage is critical for maintaining the mat's plastic deformation and significantly minimizing "elastic spring-back" after it exits the pre-press.
· Compression Ratio: To ensure optimal results, the thickness compression ratio during the pre-pressing stage typically ranges from 50% to 90%.

Multi-drawers Hot Press Machine

Double Steel Belt Continuous Press System

The MDF multi-opening hot press is the core component of the intermittent production line; it compresses the loose, pre-formed mat into a finished fiberboard with the required density and precise thickness under high temperature and pressure.

Core Principles: Three Key Factors and the "Three-Stage" Pressing Process

The quality of the hot-pressed board is determined by the interplay of three curves—pressure, temperature, and time—and the process is typically carried out in three stages:

· Stage 1 (Rapid Pressing): The press closes quickly, compacting the loose mat and expelling air.
· Stage 2 (Heat and Pressure Maintenance): High pressure is maintained while heat conducts from the hot platens to the center of the mat. This is the longest stage; for a 16mm thick board, the traditional hot-pressing time is approximately 10 seconds per millimeter.
· Stage 3 (Thickness Calibration and Pressure Release): The board is pressed to its final thickness with precise calibration, followed by pressure release and board discharge.

The MDF double-steel-belt single-opening continuous press serves as the "core engine" of the modern wood-based panel industry. It has revolutionized the intermittent production methods of traditional multi-opening presses, enabling fully continuous, high-efficiency, and high-quality industrial production of boards such as MDF and PB (particleboard).

Compared to traditional presses, it offers outstanding core advantages:

Operating Principle: A Moving "Hot-Pressing Channel"

This equipment functions like an extended "hot-pressing channel," utilizing upper and lower circulating steel belts as the conveying medium. The formed mat is "gripped" at the inlet and—as it moves forward with the steel belts—undergoes simultaneous heating and pressing, emerging at the outlet as a continuous board.

Three Key Advantages

· A Leap in Output and Efficiency: It eliminates the auxiliary time required for the closing, pressurizing, and opening cycles of traditional presses, allowing for continuous, uninterrupted production. Its productivity can reach 1.5 times that of a single-opening press and 2.3 times that of a multi-opening press of the same specifications.
· Enhanced Quality and Precision: Because heating and pressing occur simultaneously and pressure is precisely controlled, the pre-cured layer on the board is extremely thin, resulting in a more optimal density distribution. Thickness tolerance of the finished board can be kept within ±0.2 mm; the required sanding allowance is drastically reduced, leading to significant savings in raw material consumption.
· Significant Reduction in Energy Consumption: Eliminating the need for frequent startups and no-load heating, the electrical energy consumption is merely one-third to one-half that of traditional cyclic hot presses.

Automatic Edges Trimming Machine

Sanding Calibrating Machine Line

The fully automatic MDF edge-trimming machine acts as the "plastic surgeon" at the end of the production line. Its function is to trim large, rough-edged boards—fresh from the hot press—into finished panels with precise dimensions and clean edges, ready for packaging or subsequent deep processing.

The current industry standard is the fully automatic longitudinal and transverse edge-trimming machine; its operating principles and key specifications are outlined below:

Operating Principle: Transverse and Longitudinal Cutting in One Seamless Process

The fully automatic edge-trimming machine is essentially an automated "cross-cutting and rip-sawing" production line:

· Step 1 (Cross-cutting): First, the leading and trailing ends of the board are trimmed off, completing the "transverse" cut.
· Step 2 (Rip-sawing): Next, the rough edges along the length of the board are trimmed off, completing the "longitudinal" cut.
· Cyclic Feeding: The entire process is controlled by a PLC or servo system, enabling automatic positioning, automatic feeding, and continuous cyclic operation. This eliminates the need for specialized manual operators and significantly boosts efficiency.

The MDF sanding line acts as the "quality gatekeeper" for the finished product. Its function is to use precision grinding to remove the pre-cured layer—a low-density, porous zone approximately 1.0–2.0 mm thick—from the surface of the raw MDF board following hot pressing, thereby transforming it into a finished product with precise thickness and a solid, smooth surface.

This line typically consists of a wide-belt sander integrated with auxiliary equipment such as infeed, conveying, and stacking systems; it is often directly linked to the sawing line to create an integrated "sanding and sawing" operation.

Core Equipment: Wide-Belt Sander

Modern production lines predominantly utilize three-head wide-belt sanders, where sanding belts of varying grit sizes work in concert:

· First pass (Coarse sanding/Thickness calibration): Grit size 40–60; removes the bulk of the excess material (approx. 0.5–0.8 mm per side).
· Second pass (Fine sanding): Grit size 60–80; further refines the surface (approx. 0.4–0.7 mm per side).
· Third pass (Precision sanding): Grit size 100–180; performs the final polishing (approx. 0.1–0.13 mm per side).

The sanding belt speed can reach 1,100 m/min, while the board feed speed typically ranges from 18 to 90 m/min. Through this process, the thickness tolerance of the finished product can be controlled to within ±0.1 mm.

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The MDF thermal energy center serves as both the "energy heart" and the "environmental steward" of the entire production line. It converts wood waste generated during production—such as bark, sawdust, and sanding dust—into the thermal energy required for manufacturing, effectively combining energy conservation with environmental protection.

Its core capabilities are primarily demonstrated in two areas:

· **An energy station that turns waste into a resource:** MDF production is highly energy-intensive (a line with an annual capacity of 200,000 m³ consumes approximately 190.7 GJ/h of heat). The center's greatest value lies in its "self-supply" model: it burns production waste to generate three forms of thermal energy—thermal oil, steam, and hot air—supplying them to critical processes such as hot pressing, thermo-mechanical refining, and drying. For a typical production line with an annual capacity of 200,000–250,000 m³, the energy distribution is generally: 52% hot air, 38.5% steam (including steam for refining), and 9.5% thermal oil.
· **A multi-functional environmental solution:** Beyond energy supply, the center plays a vital role in environmental protection. High-temperature incineration is used to treat production wastewater, achieving zero liquid discharge; simultaneously, equipment such as cyclone separators and baghouse dust collectors ensures that flue gas emissions meet regulatory standards, thereby resolving the dual environmental challenges of waste solids and waste liquids.

Modern thermal energy centers feature a high degree of automation. PLC systems typically control fuel supply, airflow ratios, and temperature and pressure parameters to ensure a stable heat source. In terms of process design, precise calculations are required to balance thermal load and fuel consumption based on the production line's capacity (e.g., 100,000 m³ or 200,000 m³ scales), while structural features such as membrane water-cooled furnace walls are employed to enhance thermal efficiency and extend service life.

MDF (Medium Density FIber Board)

Medium-Density Fiberboard (MDF) is an engineered wood product made by breaking down wood into fibers, adding an adhesive, and pressing the mixture under high temperature and pressure. Its density typically ranges from 400 to 880 kg/m³, placing it between particleboard and high-density fiberboard (HDF).

In simple terms, the process involves breaking wood down into fibers and then re-forming them into a board. Equipment such as fiber refiners, forming machines, and continuous presses—which we have discussed previously—constitute the core components of an MDF production line.

Key Advantages

· Uniform Material: Composed of fine fibers with an isotropic structure, it offers superior stability compared to natural wood regardless of the cutting direction and is resistant to warping.
· Excellent Machinability: It features strong screw-holding power and a smooth, flat surface, making it ideal for complex shaping (such as routing and carving) and surface finishing (such as applying wood veneers or melamine paper).
· High Resource Utilization: It utilizes "waste" materials—such as branch wood and processing residues—thereby effectively conserving forest resources.

Company Profile

MDF Board Making Machine Manufacturers in China

As Chinese manufacturer of MDF Board making machinery, we can provide you with a turnkey project from A to Z, The whole line can be designed for satisfy different production capacity from yearly 15000cbm to 460000 cbm, and it can be designed for making MDF Sheets with different size like 4*8feet, 6*9feet, 7*9feet. And we can offer the high technology double steel belt continuous press system for you. 

The mainly MDF sheets making machine like the drum chipper, knife ring flaker, super vibrating screen, glue mixing and blender, mat former, pre press machine, multi-layers hot press machine, single layer continuous press system, auto edges trimming machinery and sanding calibrating machine line, heating center include boiler, dust collector, and so on.

WIth many years production techniques and mature production technology, experienced engineers and techincians, insist use good materials and parts, ensure we have the ability to design and offer the whole MDF production line for you.

Also except the MDF line, we also can design and offer the OSB board production equipment, Chipboard /MDP making machine, Plywood veneer making machine.

We are sincere to work with you, we are ready to be your reliable supplier from China.

Lucinda