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Improved planed thin bamboo and productive method thereof

A production method and planing technology, applied in the manufacture of thin wood chips, wood processing equipment, manufacturing tools, etc., can solve the problems of easy gnawing, tearing, large thickness deviation of thin bamboo chips, etc., and achieve easy chipping, thickness Uniform, low-wear effect

Inactive Publication Date: 2004-01-07
ZHEJIANG FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this method has following deficiencies, the one, bamboo block is not processed through pressurized impregnation, and moisture content is low, affects planing quality; fluff, and seriously affect the service life of the planing tool, and even can not achieve planing; the third is that the cutting edge of the tool is perpendicular to the bamboo fiber direction, which will cause tearing, which will affect the quality of the product

Method used

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  • Improved planed thin bamboo and productive method thereof
  • Improved planed thin bamboo and productive method thereof
  • Improved planed thin bamboo and productive method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1. The production method of this example sliced ​​thin bamboo chip is:

[0020] 1) Make bamboo blocks. First select the pretreated natural color bamboo piece 1, which is 1950mm long, 17.5mm wide, and 6mm thick; figure 1 .

[0021] 2) Bamboo making method: Put the bamboo block 2 into a sealed container, soak it in water under pressure until the water content is about 55%; blow dry or dry it until there is no obvious water mark, and the surface appears light white, then apply glue and pressurize the layer Accumulate into bamboo square 3.

[0022] 3) Soften the bamboo square: immerse the bamboo square 3 in warm water at about 60°C for 36 hours to soften.

[0023] 4) Slicing: see figure 2 , adjust the angle α between the blade of planing cutter 4 and the direction of bamboo fiber to be 0° (i.e. parallel) to carry out planing, get wet planing thin bamboo slices, get width after drying and be 160mm, thickness is the natural color thin bamboo slices of 0.6mm 5. ...

Embodiment 2

[0024] Example 2. The production method of sliced ​​thin bamboo slices in this example is different from Example 1: choose pretreated carbonized bamboo slices; soak in water under pressure until the moisture content is about 25%; immerse the bamboo square in warm water at about 70°C for 24 hours to soften ; The blade of planing cutter and bamboo fiber direction included angle α are 15 ° and carry out planing (see image 3 ), to obtain a width of 500mm and a thickness of 0.3mm carbonized thin bamboo product. The rest are the same as example 1.

Embodiment 3

[0025] Example 3. The difference between the production method of sliced ​​thin bamboo slices in this example and example 1 is: select pretreated natural color bamboo slices and carbonized bamboo slices, and combine them into integrated bamboo pieces according to needs; pressurize and soak until the moisture content is about 80%; Bamboo is immersed in warm water at about 35°C to soften for 72 hours; the angle α between the blade of the cutting tool and the bamboo fiber direction is 45° for planing, and the thin bamboo with a width of 105mm and a thickness of 1.0mm is obtained. product. The rest are the same as example 1.

[0026] See Figure 4 , This example sliced ​​thin bamboo chip 5 is coated with adhesive layer 6 and non-woven fabric layer 7, makes it difficult for cracking, strength increases, is convenient to process.

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Abstract

The present invention relates to an improved planed and cut thin bamboo and its production method. Said invention method includes the following steps: pretreating natural colour or carbonized bamboo sheets, applying glue, pressing, overlapping to obtain bamboo block, pressing and impregnating the integrated bamboo block, drying, applying glue, pressing to obtain bamboo squared timber, then planing and cutting said bamboo squared timber, drying so as to obtain the invented bamboo thin sheet whose thickness is 0.15-2.00 mm, then applying glue layer and technological layer on the thin bamboo sheet.

Description

technical field [0001] The invention relates to the field of integrating uncolored or carbonized bamboo chips into bamboo squares and processing them into sliced ​​thin bamboo, in particular to an improved sliced ​​thin bamboo and a production method thereof. Background technique [0002] Chinese patent document CN1304826 discloses " a kind of production method of bamboo veneer ", and it makes bamboo block from single bamboo slice, and bamboo block integrates bamboo square, puts into fixture and planes, obtains sliced ​​thin bamboo slice. But this method has following deficiencies, the one, bamboo block is not processed through pressurized impregnation, and moisture content is low, affects planing quality; Fuzzing, and has a strong impact on the service life of planing cutter, even can not realize planing; The 3rd, the blade of cutter is perpendicular to bamboo fiber direction and can produce tearing phenomenon, affects product quality. Contents of the invention [0003] ...

Claims

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Application Information

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IPC IPC(8): B27L5/00
Inventor 李延军杜春贵刘志坤林勇
Owner ZHEJIANG FORESTRY UNIVERSITY
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