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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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Feb 17,2023
Laminated veneer lumber is a structural material made by processing wood into thicker veneers, drying, sizing, forming blanks along the grain, and laminating and gluing. Because it is basically formed along the grain, it is also called parallel plywood. Because it is similar to the performance of glued wood, it is also called veneer glued wood. Its manufacture is very similar to plywo...
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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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Jun 5,2023
During the LVL production process, the wood loss of each main process is roughly as follows: 1. Sawing loss (truncation, sawdust): generally 2%-3% 2. Rotary cutting loss (wood core, broken veneer): The proportion of wood core and broken veneer is related to the material and log diameter. LVL uses low-grade timber and small-diameter timber, but because veneer lengthening and spindleless veneer peel...
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Aug 16,2023
The purpose of wood debarking is mainly to facilitate rotary cutting and improve the quality of veneer. The bark is generally composed of outer bark, phloem and cambium. Because the structure of bark is completely different from that of wood (xylem), bark is not only useless in plywood production, but also because its phloem is mostly composed of elongated fibers, if the wood section is directly p...
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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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Oct 11,2023
The veneer peeling machine is the main machine of plywood manufacturing. Its working condition affects the quality of veneer and plywood. The quality of the wood peeling maintenance work directly affects the quality and output of the veneer. 1. The impact of the wear of the rotary wood peeler machine on the quality of the veneer The maintenance of the rotary veneer peeling machine during productio...
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Sep 8,2024
Various defects are prone to occur during the wood peeling process of veneers, so there are veneer quality problems. The quality of veneers is mainly measured based on the following indicators: veneer thickness deviation (i.e. processing accuracy), veneer back crack degree, veneer back roughness and veneer transverse tensile strength. The first two of these indicators are the most important veneer...
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Mar 10,2025
What is Teeth Roller & Nose Bar Spindleless Veneer Lathe (Gangi) Teeth Roller & Nose Bar Spindleless Veneer Lathe (Gangi) is a new kind of Spindleless veneer peeling machine that has the advantages of Spindle Veneer Peeler and Fiber Tenderizer. 2020-Sanmu Sansen Design and Manufacture 1st set of TNB ( Teeth roller & Nose bar) Spindleless (Gangi) 2021-2023 Trial prod...
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Mar 18,2025
What are the advantages of wood veneer peeled by Teeth roller & Nose bar Spindleless (Gangi) Combined the advantages of Spindle Veneer Peeling machine and Wood Fiber Tenderizer,Teeth Roller & Nose Bar Spindleless Veneer Lathe (Gangi) can peel good quality veneer. The advantages is the following: Firstly, the wood veneer thickness variatio...
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Mar 24,2025
How veneer peeled by Nose Bar & Teeth Roller Spindleless Veneer lathe reduce plywood hot pressing cost During plywood hot pressing, as the temperature and moisture content of the plywood slabs change, the wood veneer is gradually compressed and the thickness of the plywood slabs gradually decreases. This loss is compression loss, which is related to factors such as the hot ...
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Apr 20,2025
How veneer peeled by Nose Bar & Teeth Roller Spindleless Veneer lathe reduce plywood sanding cost Plywood Sanding process is to sand the surface of the plywood to make the surface smooth and beautiful. The waste generated is sanding powder. When the quality of the veneer is good, the amount of sanding is small, and the sanding loss rate is 2% to 5%. How veneer...
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