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The extrusion method
The extrusion method
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The extrusion method
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The extrusion method
Extrusion method (graphic)
Chips of wood residues are dried and mixed with synthetic resin.
An excenter puts the ram into a rythmical vertical motion.
The glued chips are guided through a channel under the ram between the heating plates of approximately 190°C.
Every stroke of the continuously working ram compresses the chips and pushes downwards the endless stream of board in vertical direction.
The exact thickness and density is produced by the friction between the board and the plates and adjusted by pressure and tension screws.
The glued chips are cured under pressure and heat.
Depending on the type of board the extrusion speed is 500 to 1200 mm/min.
For the production of tube boards heated doublewalled tubes are hanging through the ram into the press channel.
SAUERLAND BOARD:
a single-layer solid or tube board with chip facesmainly positioned rectangularly to the pressingdirection and the plane surface.
production by the continuous extrusion method
Width :
width of the extrusion stream2 types of presses :
width up to 2100mm : according to door height
width up to 1270mm : according to theinternational 4´- size
Length :
length of the pressing stream
tube direction
- usually : width of the door
- possible : wide presses up to 1200 mm
narrow presses up to 3000 mm
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