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Machining and manufacturing method for anti-deformation three-layer plate

A production method and three-layer board technology are applied in the direction of wood processing appliances, wood veneer bonding, manufacturing tools, etc., which can solve the problem of low resistance to temperature and humidity deformation, save the shaping process, improve the moisture content, The effect of reducing production costs

Inactive Publication Date: 2016-08-03
河北北方绿野居住环境发展有限公司
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Problems solved by technology

[0007] The purpose of the present invention is to provide a method for processing and manufacturing anti-deformation three-layer boards. This three-layer board can be used as a substrate board for processing multi-layer boards to process multi-layer boards with required thickness to solve the problem of existing multi-layer boards. Highlight the problem of low temperature and humidity deformation resistance

Method used

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  • Machining and manufacturing method for anti-deformation three-layer plate
  • Machining and manufacturing method for anti-deformation three-layer plate

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Embodiment Construction

[0022] The processing and manufacturing method of the anti-deformation three-layer board of the present invention comprises the following steps:

[0023] 1. Select solid wood veneers that are peeled with poplar or eucalyptus, and use three veneers of the same wood species with a moisture content of 20-40% as the upper, middle and middle layers of the three-layer board. The lower plate; the three rotary-cut veneers have the same format size and the same thickness.

[0024] 2. Apply glue on the glued surface of the upper layer, middle layer and lower layer with a gluing machine and then assemble the blanks. The way of forming the blanks is that the grain direction of the upper layer and the lower layer are the same, and the grain direction of the middle layer is the same as that of the upper layer and the lower layer. The grain direction is perpendicular to.

[0025] 3. Properly repair the three-ply board after pre-pressing. The method of pre-pressing and repairing is the same ...

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Abstract

The invention relates to a method for processing and manufacturing an anti-deformation three-layer board. It includes the following steps: select three pieces of rotary-cut veneer with high moisture content of the same wood species as the upper board, middle board and lower board; glue the glued surface of the upper board, middle board and lower board with a gluing machine and then use a conventional method Carry out blank assembly; after pre-pressing and repairing the three-layer board after assembly, set hot-pressed exhaust pads on the upper surface and lower surface respectively, and put them into the hot press together for hot pressing; when the hot-pressed After the moisture content of the three-layer board is less than 6%, the hot pressing is stopped, and the surface of the three-layer board taken out is repaired, scraped or sanded, and the anti-deformation three-layer board is formed. The processing method of the present invention can produce a three-layer plywood with a very strong resistance to temperature and humidity deformation. Based on this three-layer plywood, multi-layer boards of different thicknesses can be processed and combined, and products with high deformation resistance can be produced accordingly. meet the high-quality requirements of the product.

Description

technical field [0001] The invention relates to a processing and manufacturing of a multi-layer board, in particular to a processing and manufacturing method of a deformation-resistant three-layer board. Background technique [0002] Most of the wooden veneers are processed by rotary cutting machines. There are three kinds of grain directions of rotary cut veneer: longitudinal, radial and chord. The drying shrinkage of the three texture directions is different, the longitudinal direction is the smallest (generally 0.1~0.3%), the chord direction is the largest (6~12%), and the radial direction is in the middle (2~6%). Therefore, the influence of the change of moisture content on the size of the three grain directions of the rotary cut veneer is also the smallest in the longitudinal direction, the largest in the chord direction, and the center in the radial direction. In most cases, the longitudinal direction and the chord direction of the grain direction of the rotary cut v...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27D1/08
CPCB27D1/08B27D1/083
Inventor 连小侠
Owner 河北北方绿野居住环境发展有限公司
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