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Apr 28,2020
The Spindleless veneer peeling machine is a veneer lathe under a spindleless condition that includes the veneer knife and at least three rollers. Feeding mechanisms couples to two feeding rollers and a drive system couples to one of the driving rollers. The wood log will driven by three rollers and being peeled to veneer.The veneer thickness can be changed by adjusting the gap between single rolle...
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Jun 21,2020
Veneer peeling machine is one of the important equipment in the plywood veneer production line. Veneer manufacturing is one of the important section of plywood production. The quality of plywood depends to a large extent on the quality of the veneer. The requirements for veneer peeling machines are very high in veneer production. With the development of technology, the precision of the veneer...
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Jul 27,2020
Problems and solutions of Spindleless Wood Veneer Machine 1 Problem 1 -Uneven wood veneer Causes: 1. Poor knife straightness 2. Decentraction ( not properly aligned) between shaft ends and body 3. Excessive squeezing force 4. Serious wood sunny side and shadow side 5. Too small and not straight wood log Solvi...
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Aug 7,2020
Problem: Uneven thickness of veneer peeled by wood veneer machine Reason: 1. The knife position is incorrect. 2. The knife is not sharp enough. 3. The knife gate gap is too small or too large. 4. The wood is too dry or too hard. 5. The carbon brushes of the electromagnetic clutch are virtually connected. 6.&n...
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Sep 11,2020
Problems and solutions of Spindleless Wood Veneer Machine 3 Problem: The wod veneer is periodically uneven. Reason: The sunny and shadow surfaces of the wood veneer are too heavy; the peeling knife of veneer lathe/veneer machine is too low or too high, and the clearance between the single and double roller bearings is too large. Solutions: Correctly adjust the height o...
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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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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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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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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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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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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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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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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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Apr 20,2023
Roller veneer dryer: It uses a series of upper and lower rollers to convey the veneer through the dryer. All the lower rollers are driven by a motor through a transmission device through a chain, while the upper rollers are driven by the lower rollers through a pair of long-toothed gears. Therefore, the upper rollers can be used with different veneer thicknesses float up and down within a certain ...
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May 2,2023
Hot plate veneer dryer: used for drying the thick veneer manufactured by LVL, usually the roller dryer is used first, and then the hot plate dryer is used. This process can not only ensure the quality of the veneer, but also improve the efficiency of veneer drying. The host structure of the hot plate dryer is basically the same as that of the ordinary plywood hot press machine. In order to shorten...
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Aug 29,2023
Hot press veneer dryer machine, which have been studied for a long time, can be used both for drying sawn timber and for drying veneer. The hot press dryer combines the dual effects of pressurization and contact heat transfer. There are two main types of veneer hot-press drying: continuous hot-press dryer and repeated hot-press dryer. The characteristics of veneer drying by hot press...
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