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Manufacturing technique of highlight floor base material

A production process and floor technology, applied in the field of wood processing, to achieve the effect of high surface finish and flatness, and less cost increase

Active Publication Date: 2015-04-15
DARE WOOD BASED PANEL GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003]Technical problem: On the basis of the production of ordinary floor substrates, in view of the above special technical requirements, develop a high-quality and low-cost high-gloss floor substrate production process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A production process for a 7.8mm E1 grade high-gloss floor substrate, comprising the steps of:

[0016] 1. Peeling: the fresh logs of poplar: pine: miscellaneous wood are 1:1:1 respectively, and the fresh logs are peeled by the peeling machine, and the peeling rate is more than 90%;

[0017] 2. Chipping: Send the peeled fresh wood to the chipper through the conveyor belt to make wood chips with a length of 15-25 mm, a width of 15-25 mm, and a thickness of 3-5 mm;

[0018] 3. Screening: For oversized (more than 25 mm) or too small (less than 3mm) pieces, they are screened;

[0019] 4. Washing: The wood chips are washed with water, on the one hand, to remove mixed sand, metal, mud and other impurities, to ensure the cleanliness of the wood chips, and on the other hand, to increase the moisture content of the wood chips appropriately;

[0020] 5. Pre-cooking and cooking: The washed wood chips are pre-steamed in a pre-cooking tank with saturated steam, and the pre-cooking ...

Embodiment 2

[0032] A production process for a 10.8mm E0 grade high-gloss floor substrate, comprising the following steps:

[0033] 1. Peeling: Fresh poplar: pine: miscellaneous wood is peeled by a peeling machine in proportion;

[0034] 2. Chipping: Send the peeled wood to the chipper through the conveyor belt to make wood chips with a length of 15-25 mm, a width of 15-25 mm, and a thickness of 3-5 mm;

[0035] 3. Screening: For oversized (greater than 25mm) or too small (less than 3mm) pieces, they are screened;

[0036] 4. Water washing: the wood chips are washed with water, on the one hand to remove mixed sand, metal, mud and other impurities to ensure the cleanliness of the wood chips, and on the other hand to appropriately increase the moisture content of the wood chips;

[0037] 5. Pre-cooking and cooking: The washed wood chips are pre-steamed in a pre-cooking tank with saturated steam, and the pre-cooking temperature is 95-100°C. The material level of the cooking tank is 2-3 mete...

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Abstract

The invention provides manufacturing technique of highlight floor base material. The manufacturing technique of the highlight floor base material comprises steps of wood raw material peeling, chipping, wood chip screening, washing, pre-cooking, cooking, hot grinding, glue mixing, drying, formation and prepressing, slab hot pressing, cooling tempering, sanding saw cutting, grading and packing, wherein in a drying step, moisture content after drying is 9.0-10.5%; in a slab hot pressing step, hot pressing temperature is 170-225 DEG C, five sections of temperature zone are adopted, hot pressing pressure is 0-4MPa, and a hot pressing factor is 7.2-8.0s / mm, maximum pressure is 3-3.7MPa. A small step is arranged at the top end of the highest density in density distribution of a fracture surface and gradually transits to a core layer, and surface highest density is 1100-1150kg / m<3>; in a sanding step, bearing jump of a sander drum is controlled within 2.0mm / s, and in the fine sand, a tape of more than 150 meshes is used to process. The manufacturing technique of the highlight floor base material has high surface smoothness and evenness, surface density and fracture density distribution are matched with pressing and pasting technique, and moisture content is control with quite narrow fluctuation range.

Description

technical field [0001] The invention belongs to the field of wood processing, and in particular relates to a production process of a high-gloss floor base material. Background technique [0002] Since the advent of impregnated paper laminated wood flooring (laminate flooring), it has been widely favored by consumers for its beauty and durability, convenient installation, and easy cleaning. With the improvement of people's living standards and the change of aesthetic taste, the high-definition and high-fidelity laminated floor is selling well in the market. This kind of floor is commonly known as high-gloss floor. Laminate flooring is a floor made of one or more layers of special paper impregnated with thermosetting amino resin, paved on the surface of medium and high-density fiberboard, with a balance layer on the back and a wear-resistant layer on the front, and hot-pressed. The special feature of the high-gloss floor is that two or more layers of veneer materials on the s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27M3/04B27N3/14
Inventor 张海燕赵金良史国祥郦伟玉陈秀兰
Owner DARE WOOD BASED PANEL GRP
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