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Dec 7,2022
The meaning of veneer dryer The moisture content of the veneer after rotary cutting is very high. If the veneer is directly sizing without drying treatment, and then the billet is hot-pressed, when the veneer is sizing, due to too much water, it is easy to cause glue bleeding, which will make the veneer glued together. Lack of glue on the surface; b...
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Nov 9,2022
Different types of Plywood hot press machine-Multi-layer hot press machine The multi-layer hot press plywood machine is a kind of flat pressing method. The characteristics of the multi-layer hot press are: high production efficiency, wide thickness range, and easy control and adjustment of the equipment. However, its structure is complex and huge, and it must be equipped with a loading...
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Aug 15,2022
Second stage of plywood hot press The second stage of the hot-press cycle is the pressure-holding stage. The pressurization time specified in the plywood hot-pressing process specification refers to this stage, whi...
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Jun 8,2022
First stage of plywood hot press This stage is the auxiliary time. In order to improve the productivity and product quality of the hot press, it is required that this stage should be carried out at the fastest speed and the time should be as short as possible. After the slab is loaded into the press, it is not subjected to external pressure. The glue layer near the hot pressing plate heats up very...
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Oct 3,2021
Plywood hot press is carried out in a multi-layer hot press machine. When using a multi-layer press with a plate unloader, the working procedure is: first load the pre-compressed slabs one by one into the loading rack, and then push a car of slabs into the hot press through the loading machine. The press is closed, the pressure is increased, and kept under a certain pressure for a per...
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Sep 24,2021
1) Most of the veneer dryer machines currently in use use 0.4-1.0MPa saturated steam as the heat source. The radiator is heated first, and then the air is heated to 140-180°C through the radiator, and the hot air transfers the heat to the veneer. The combustion gas of coal gas, petroleum and light diesel fuel is also used to heat the air. 2) The wood veneer dryer machine is equipped with a hot air...
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Jun 14,2021
The veneer dryer is a continuous veneer drying equipment. The most widely used are mesh belt dryers, roller veneer dryers and platen veneer dryers. 1）The veneer dryer is mainly composed of two parts, a drying section and a cooling section. The drying section is used to heat the veneer and accelerate the discharge of moisture from the veneer through the circulation of hot air. The drying section ca...
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Mar 26,2021
The effect of veneer quality on the quality of finished shuttering / film coated plywood 1 1.Wood veneer thickness deviation （1）Due to the uneven thickness of the wood veneer, greater pressure must be used when pressing the veneer to make the veneer surface closely contact, which increases the compression loss of the wood; （2）The thickness of the veneer has a large deviation, and the plywood will ...
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Nov 6,2020
The wood bark is loose and has no use value in the production of plywood. The phloem of the bark tends to block the knife door when peeling, and the rotary knife becomes blunt quickly, and the rotary peeling cannot be carried out normally; the bark often contains metal objects and sand and other debris, such as direct rotary peeling will damage the rotary knife. Affect normal wood veneer peeling a...
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