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20-Daylight Intelligent Hot Press Laminated Board Production Line

This product is a 20-layer intelligent hot press plywood production line, designed as a high-end automated equipment for the modern wood processing industry. It features an advanced intelligent control system that enables precise temperature control, pressure adjustment, and automated production processes, significantly improving the efficiency and quality of plywood manufacturing. The production line supports continuous operation and is suitable for hot pressing various types of wood-based panels, offering advantages such as energy efficiency, environmental friendliness, easy operation, and low maintenance costs. It is an ideal choice for plywood manufacturers, furniture companies, and building material plants, helping clients achieve intelligent and large-scale production.
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20-Daylight Intelligent Hot Press Laminated Board Production Line


Plywood machine


The 20-Layer Intelligent Hot Press Plywood Production Line is a high-end wood processing equipment solution that integrates automation, intelligence, and high efficiency. Designed for medium to large-scale plywood manufacturers, it aims to achieve continuous operation from veneer laying to hot pressing through a highly integrated automation system and precise intelligent control. This significantly boosts production capacity and product consistency while reducing labor intensity and operational costs.


Complete Set of Equipment  

A plywood production line is a complex system comprising a series of equipment that processes raw logs into finished plywood. Modern production lines are highly automated, with specialized machinery for each step, from log handling to finished product packaging.


Wood Log Debarker Easily Remove Bark

Debarker

      Removes bark from the logs. Bark can affect veneer quality and bonding performance, so it must be removed first.


      Types: Includes drum debarkers, ring debarkers, etc., capable of handling logs of different diameters and lengths.




Wood Logs Cutting Machine for Saw Mills

Cross-Cut Saw / Bucking Saw

      Cuts the debarked long logs into required lengths. The common dimensions of plywood (e.g., 4x8 feet) determine the cutting length of the blocks.


      Types: Large circular saws or chain saws.




MINGHUNG veneer lathe

Peeler Lathe / Veneer Lathe

      The heart of the production line. A steamed log block is mounted and rotated at high speed, while a sharp blade continuously "peels" the log into a continuous ribbon of veneer, similar to a pencil sharpener.


     Key Point: The precision of the lathe determines the thickness consistency of the veneer. Modern CNC-controlled lathes allow precise control over veneer thickness.




roller dryer

Veneer Dryer

      Veneer after peeling has very high moisture content and must be dried before gluing. The dryer reduces the veneer's moisture content to a suitable range (typically 8%-12%) using hot air.


     Types:

          Roller Dryer: Continuous drying, high output, suitable for large-scale production.

          Mesh Belt Dryer: Veneer passes through the drying chamber on a conveyor belt.

          Platen Dryer: More effective for thicker veneers.



MINGHUNG Glue Spreader

Gluing Machine / Glue Spreader

      Applies adhesive (e.g., UF resin, PF resin) evenly onto the surface of the veneer sheets.


      Types:

          Four-Roller Glue Spreader: Provides even glue application and precise control over glue spread; the standard for modern lines.

          Two-Roller Glue Spreader: Simpler structure, suitable for less demanding applications.




MINGHUNG Plywood cold press machine

Pre-Press / Cold Press

      Subjects the assembled mat to cold pressing (or mild hot pressing) before it enters the hot press. The purpose is to achieve initial bonding between the plies, giving the mat enough initial strength for handling and loading into the hot press, preventing it from collapsing during hot pressing.




China Good plywood hot press machine

Hot Press

      The core equipment of the production line. Applies high temperature and high pressure to the mat, curing the adhesive quickly and bonding the multiple veneer piles firmly into a solid panel – plywood.


     Types: Classified by the number of openings:

          Multi-Opening Hot Press: The 20-layer press mentioned earlier belongs to this type. High efficiency, suitable for large-scale production.

          Single-Opening Hot Press: Suitable for small panels or special sizes.

      Modern hot presses are typically integrated with intelligent control systems to precisely control temperature, pressure, and time profiles.


veneer stacking

Automatic Loader/Unloader

      Works in conjunction with multi-opening hot presses. Automatically loads the mat into each press opening and unloads the finished panels after pressing, enabling continuous production and ensuring safety.




Plywood Four Sides Edge Cutting Saw Machine

Panel Saw / Trimming and Edging Line (Sizing & Sanding Line)

      Trims the rough-edged panels to standard sizes (e.g., 1220x2440mm), removing irregular edges.


      Process: Typically involves first passing through a double-edged trim saw for longitudinal cutting, followed by a cross-cut saw for transverse cutting.




sanding machine

Sanding Machine / Wide Belt Sander

      Sands and polishes the surface of the plywood to eliminate surface irregularities, pre-cured layers, and other defects, obtaining a smooth and flat surface suitable for subsequent laminating, painting, or direct use.


      Types: Wide-belt sanders (typically with three heads: coarse, fine, and finish sanding) are the most common type.



A complete, modern plywood production line is an integration of material handling equipment (conveyors, turners), processing machinery (peeling, sawing, sanding), and core forming equipment (drying, pressing). The higher the degree of automation, the greater the requirement for interlinked control systems and intelligent logistics between the equipment, ultimately achieving high efficiency, high output, and stable product quality.


Core Components of the hot press machine  


This production line is not a single machine but a complete system, primarily consisting of:

1.  Automatic Laying-up Unit: Automatically applies glue, assembles veneers, and performs pre-pressing, ensuring uniform mat thickness and tight structure.

2.  20-Layer Intelligent Hot Press: The heart of the line. Utilizes multi-cylinder balanced pressure technology to ensure even pressure across each platen. Equipped with an advanced PLC and touchscreen control system.

3.  Intelligent Control System: The brain of the line. Integrates PLC, HMI touchscreen, and temperature/pressure sensors. It allows for pre-setting and storing various production process recipes.

4.  Hydraulic System: Provides stable and powerful force for the hot press, with fast response and excellent pressure-holding performance.

5.  Heating System: Typically uses thermal oil or steam for high thermal efficiency and precise, uniform temperature control.

6.  Automatic Loading/Unloading Machine: Synchronizes with the hot press to automatically feed the mat and unload the finished panel, enabling continuous production and ensuring operational safety.

hot platen
press machine frame
Pressure Sensor


Workflow of the hot press machine

1.  Feeding & Laying: Dried veneers are coated with glue and then precisely stacked into a mat by the automatic laying machine.

2.  Loading & Feeding: A manipulator accurately feeds the mat into each of the 20 layers of the hot press.

3.  Hot Pressing & Forming: Under the control of the intelligent system, the hot press applies pressure and heat according to pre-set curves for temperature, pressure, and time, curing the adhesive to form a strong plywood panel.

4.  Unloading & Discharging: After pressing, the loading/unloading system automatically removes the finished panels from each layer and transfers them to the next process (e.g., trimming, sanding).

kontrplak sıcak pres


Key Advantages & Features  


  High Production Efficiency: The 20-layer design allows for pressing 20 panels simultaneously, offering several times the capacity of ordinary single-opening or multi-opening presses, meeting large-scale production demands.

  Superior Product Quality: The intelligent temperature control and balanced pressure system ensure extremely uniform heating and pressure for every layer and every panel, resulting in consistent thickness, high internal bond strength, and minimal warpage.

  High Automation & Intelligence: Fully automated process from laying to loading/unloading, drastically reducing manual intervention. The PLC system precisely controls the entire pressing cycle and records production data for easy quality traceability.

  Energy Efficient & Eco-Friendly: Advanced heating system and insulation design effectively reduce heat loss. Precise gluing technology helps minimize adhesive consumption, complying with environmental standards.

  User-Friendly & Safe Operation: Intuitive touchscreen interface allows easy parameter setting and switching. Comprehensive safety interlock devices and automated handling systems greatly enhance operational safety.

  Robust & Durable: Key components are manufactured from high-quality steel and advanced processes, ensuring long-term, stable operation under high temperature and pressure conditions.


Technical Parameters (can be customized)  


Number of Press Openings: 20 Layers

  Maximum Pressing Size (L x W): 1220mm x 2440mm (4' x 8') or Customized

  Total Pressing Force: Customizable (e.g., 3000 Ton)

  Platen Temperature Range: Room Temperature - 200°C (Adjustable)

  Heating Method: Thermal Oil / Steam / Electric Heating

  Control System: Fully Automatic PLC + Touchscreen Control

  Overall Dimension: Dependent on specific configuration.


Applications  


Primarily used for producing various specifications and thicknesses of construction plywood formwork, furniture-grade plywood, decorative plywood, etc. It is an ideal investment for large plywood manufacturing companies, wood industry groups, and building material producers.



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