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300000CBM MDF (Medium Density Fiberboard) Making Machine Production Line

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300000CBM MDF (Medium Density Fiberboard) Making Machine Production Line

China 300000CBM MDF (Medium Density Fiberboard) Making Machine Production Line supplier
300000CBM MDF (Medium Density Fiberboard) Making Machine Production Line supplier 300000CBM MDF (Medium Density Fiberboard) Making Machine Production Line supplier

Large Image :  300000CBM MDF (Medium Density Fiberboard) Making Machine Production Line

Product Details:

Place of Origin: China
Brand Name: CMT
Certification: CE, ISO
Model Number: Customization

Payment & Shipping Terms:

Minimum Order Quantity: 1 Set
Price: Negotiable
Packaging Details: Standard Export Package
Delivery Time: 150 Working Days
Payment Terms: T/T, L/C
Supply Ability: 50 Sets Year
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Detailed Product Description
Design Capacity: 30000-300000 Cubic Meters / Year Panel Size: 2440 X 1220 MM
Panel Thickness: 6 - 40 MM Design Standard: GB/T11718-2009
Control: Siemens PLC Turn-key Project: Yes
Condition: Brand New Gurantee: One Year

300000CBM MDF (Medium Density Fiberboard) Making Machine Production Line


Medium-density fibreboard (MDF) is an engineered wood product made by breaking down hardwood or softwood residuals into wood fibres, often in a defibrator, combining it with wax and a resin binder, and forming panels by applying high temperature and pressure. MDF is generally denser than plywood. It is made up of separated fibres, but can be used as a building material similar in application to plywood. It is stronger and much denser than particle board.
The name derives from the distinction in densities of fibreboard. Large-scale production of MDF began in the 1980s, in both North America and Europe.

 

Manufacture
Chip production
The trees are debarked after being cut. The bark can be sold for use in landscaping, or burned in on-site furnaces. The debarked logs are sent to the MDF plant, where they go through the chipping process. A typical disk chipper contains 4–16 blades. Any resulting chips that are too large may be re-chipped; undersized chips may be used as fuel. The chips are then washed and checked for defects. Chips may be stored in bulk, as a reserve for manufacturing.
Fibre production
Compared to other fibre boards, such as Masonite, MDF is characterised by the next part of the process, and how the fibres are processed as individual, but intact, fibres and vessels, manufactured through a dry process. The chips are then compacted into small plugs using a screw feeder, heated for 30–120 seconds to soften the lignin in the wood, then fed into a defibrator. A typical defibrator comprises two counter-rotating discs with grooves in their faces. Chips are fed into the centre and are fed outwards between the discs by centrifugal force. The decreasing size of the grooves gradually separates the fibres, aided by the softened lignin between them.
From the defibrator, the pulp enters a 'blowline', a distinctive part of the MDF process. This is an expanding circular pipeline, initially 40 mm in diameter, increasing to 1500 mm. Wax is injected in the first stage, which coats the fibres and is distributed evenly by the turbulent movement of the fibres. A urea-formaldehyde resin is then injected as the main bonding agent. The wax improves moisture resistance and the resin initially helps reduce clumping. The material dries quickly in the final heated expansion chamber of the blowline and expands into a fine, fluffy and lightweight fibre. This fibre may be used immediately, or stored.
Sheet forming
Dry fibre gets sucked into the top of a 'pendistor', which evenly distributes fibre into a uniform mat below it, usually of 230–610 mm thickness. The mat is pre-compressed and either sent straight to a continuous hot press or cut into large sheets for a multi-opening hot press. The hot press activates the bonding resin and sets the strength and density profile. The pressing cycle operates in stages, with the mat thickness being first compressed to around 1.5× the finished board thickness, then compressed further in stages and held for a short period. This gives a board profile with zones of increased density, thus mechanical strength, near the two faces of the board and a less dense core.
After pressing, MDF is cooled in a star dryer or cooling carousel, trimmed and sanded. In certain applications, boards are also laminated for extra strength.
The environmental impact of MDF has greatly improved over the years. Today, many MDF boards are made from a variety of materials. These include other woods, scrap, recycled paper, bamboo, carbon fibres and polymers, forest thinnings and sawmill off-cuts.
As manufacturers are being pressured to come up with greener products, they have started testing and using non-toxic binders. New raw materials are being introduced. Straw and bamboo are becoming popular fibres because they are a fast-growing renewable resource.

 

Machine name Item no Unit Q'ty Power Remark
A Chip preparation section
A1 Belt conveyor   Unit 2    
A2 Drum chipper BX218D Unit 2    
A3 Discharger Design as requirement Unit
 
2    
A4 Belt conveyor Design as requirement Unit 2    
A5 Belt conveyor Design as requirement Unit 1    
A6 Bucket lifter Design as requirement Unit 1    
A7 Belt conveyor Design as requirement Unit 1    
A8 Magnetic metal remover   Unit 2    
B Fiber preparation section
B1 Wood chip Silo   Unit 1    
B2 Infeed bucket   Unit 1    
B3 Refiner   Unit
 
1    

 

 

ITEM

 

INDEX

 

Raw Material

 

 

Pine,

Poplar,

Fir

Glue Type

 

 

MDI,

PF,

UF

Hot Press

 

 

Multi-opening Press,

Continuous Press

(4 ft, 8 ft, 12 ft)

Design capacity

 

 

50000,

150000,

250000 Cubic Meters

 

If you are interested, do not hesitate to contact me.

REGARDS!

 

300000CBM MDF (Medium Density Fiberboard) Making Machine Production Line

 

Contact Details
SUZHOU CMT ENGINEERING CO., LTD.

Contact Person: Jeremy

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