CN101337359B - Preparation method of composite sheets - Google Patents
Preparation method of composite sheets Download PDFInfo
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- CN101337359B CN101337359B CN2008100212832A CN200810021283A CN101337359B CN 101337359 B CN101337359 B CN 101337359B CN 2008100212832 A CN2008100212832 A CN 2008100212832A CN 200810021283 A CN200810021283 A CN 200810021283A CN 101337359 B CN101337359 B CN 101337359B
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- central layer
- temperature
- minutes
- surface backplate
- hot pressing
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- Veneer Processing And Manufacture Of Plywood (AREA)
- Finishing Walls (AREA)
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Abstract
The invention relates to a method for preparing boards, particularly to a method for preparing composite boards, and belongs to the board processing field. The method adopts the procedures of pre-treating core veneers and front boards and back boards; baking; applying glue; seasoning; prep-pressing; hot pressing; patching; and sanding. Since the time, the pressure and the temperature are controlled in the processes of seasoning, pre-pressing and hot pressing, produced boards have the advantages of reasonable size, solid combination, reliable quality, beautiful appearance, simple production process, and convenient operation of workers. Furthermore, the method saves large quantities of labor power and physical resources.
Description
Technical field
The present invention relates to a kind of preparation method of preparation of plates method, particularly a kind of composite board, belong to the sheet material manufacture field.
Background technology
At present, along with socioeconomic fast development, building trade also obtains very big development, the demand of construction material constantly increases, composite board is one of material that demand is bigger in the construction material, according to the requirement of building decoration, kind, the specification of composite board is all had new variation, common common composite board on the market can not satisfy user's demand.
Summary of the invention
The objective of the invention is for overcoming above-mentioned the deficiencies in the prior art part, a kind of preparation method of composite board is provided, the processing technology that comprises central layer and surface backplate, employing is to the processing of the preliminary treatment of central layer, surface backplate, oven dry, gluing, ageing, precompressed, hot pressing, embedding benefit, the several operations of sanding, because to time, pressure, temperature controlling in ageing, precompressed, the hot pressing, make the board dimension of producing reasonable, in conjunction with firm, reliable in quality, good looking appearance, production technology is simple, is convenient to workman's operation, has saved great amount of manpower and material resources.
The present invention realizes with following technical scheme: a kind of preparation method of composite board comprises it is characterized in that the processing technology of central layer, surface backplate: carry out as follows:
(1) arrangement of central layer: the central layer piece is tight, and overlapping and gap must not be arranged, and the central layer moisture content is higher than 16% must dry, and the central layer moisture content after the oven dry is 12%;
(2) gluing: two-sided for central layer and surface backplate, central layer: 320 ± 20g/m
2, veneer: 280 ± 20g/m
2, digestion time is 4-5 hour;
(3) preload pressure: central layer: 16-18Mpa, surface backplate 15-17Mpa;
(4) squeeze time: central layer: temperature is 45 minutes below 10 ℃, be 40 minutes between temperature 10-20 ℃, temperature is 20 minutes more than 20 ℃, surface backplate: temperature is 20 minutes below 10 ℃, be 15 minutes between temperature 10-20 ℃, temperature is 10 minutes more than 20 ℃;
(5) repair technology: central layer: the folded core of central layer must cut to the greatest extent, and the central layer gap surpasses 2mm, mends with the embedding of band glue central layer, wipes off, surface backplate: lamination is repaired, and after the repairing, gap is no more than 1mm, crack 〉=2mm, mend tightly with mending the bar embedding, mend bar, sticking patch employing arc or linear, and solid colour;
(6) hot pressing: poplar: central layer: thickness: mm time: S/mm
＜6 35
8-12 55
15-25 65
＞25 75
Temperature: 115-125 ℃, pressure: 18-20Mpa.
Hot pressing: weedtree: central layer: thickness: mm time: S/mm
＜6 40
8-12 60
15-25 70
＞25 80
Temperature: 120-130 ℃, pressure: 20-22Mpa.
Veneer: hot pressing time: thickness :≤18mm, 3 minutes, pressure: 15-16Mpa,
Thickness: 〉=20mm, 5 minutes, pressure: 16-18Mpa.
Hot pressing temperature: 105-110 ℃;
(7) embedding is mended: for the sheet material that step (6) is got off, the plate face has crack, small holes and score all to need embedding to mend, and used putty needs full, smooth, fill up fault location after, remaining putty is removed clean;
(8) sanding: the sand amount of cutting of central layer is; 0.4-0.5mm, use 60 order abrasive bands, the surface backplate sand amount of cutting is: 0.02mm, use 120 order abrasive bands, speed is 25-30m/ minute;
(9) with above-mentioned sheet material through sanding, the arrangement warehouse-in.
Advantage of the present invention is: the preparation method of this composite board is because to composite board time, pressure, temperature controlling in ageing, precompressed, hot pressing, make the board dimension of producing reasonable, in conjunction with firm, reliable in quality, good looking appearance, production technology is simple, is convenient to workman's operation, has saved great amount of manpower and material resources.
The specific embodiment
Below in conjunction with embodiment the present invention is described in further detail:
Embodiment 1,
A kind of preparation method of composite board comprises it is characterized in that the processing technology of central layer, surface backplate: carry out as follows:
(1) arrangement of central layer: the central layer piece is tight, and overlapping and gap must not be arranged, and the central layer moisture content is higher than 16% must dry, and the central layer moisture content after the oven dry is 12%;
(2) gluing: two-sided for central layer and surface backplate, central layer: 320 ± 20g/m
2, veneer: 280 ± 20g/m
2, digestion time is 4 hours;
(3) preload pressure: central layer: 16Mpa, surface backplate 15Mpa;
(4) squeeze time: central layer: temperature is 45 minutes below 10 ℃, be 40 minutes between temperature 10-20 ℃, temperature is 20 minutes more than 20 ℃, surface backplate: temperature is 20 minutes below 10 ℃, be 15 minutes between temperature 10-20 ℃, temperature is 10 minutes more than 20 ℃;
(5) repair technology: central layer: the folded core of central layer must cut to the greatest extent, and the central layer gap surpasses 2mm, mends with the embedding of band glue central layer, wipes off, surface backplate: lamination is repaired, and after the repairing, gap is no more than 1mm, crack 〉=2mm, mend tightly with mending the bar embedding, mend bar, sticking patch employing arc or linear, and solid colour;
(6) hot pressing: poplar: central layer: thickness: mm time: S/mm
＜6 35
8-12 55
15-25 65
＞25 75
Temperature: 115 ℃, pressure: 18Mpa.
Hot pressing: weedtree: central layer: thickness: mm time: S/mm
＜6 40
8-12 60
15-25 70
＞25 80
Temperature: 120 ℃, pressure: 20Mpa.
Veneer: hot pressing time: thickness :≤18mm, 3 minutes, pressure: 15Mpa,
Thickness: 〉=20mm, 5 minutes, pressure: 16Mpa.
Hot pressing temperature: 105 ℃;
(7) embedding is mended: for the sheet material that step (6) is got off, the plate face has crack, small holes and score all to need embedding to mend, and used putty needs full, smooth, fill up fault location after, remaining putty is removed clean;
(8) sanding: the sand amount of cutting of central layer is; 0.4mm, use 60 order abrasive bands, the surface backplate sand amount of cutting is: 0.02mm, use 120 order abrasive bands, speed is 25m/ minute;
(9) with above-mentioned sheet material through sanding, the arrangement warehouse-in.
Embodiment 2,
A kind of preparation method of composite board comprises it is characterized in that the processing technology of central layer, surface backplate: carry out as follows:
(1) arrangement of central layer: the central layer piece is tight, and overlapping and gap must not be arranged, and the central layer moisture content is higher than 16% must dry, and the central layer moisture content after the oven dry is 12%;
(2) gluing: two-sided for central layer and surface backplate, central layer: 320 ± 20g/m
2, veneer: 280 ± 20g/m
2, digestion time is 4-5 hour;
(3) preload pressure: central layer: 18Mpa, surface backplate 17Mpa;
(4) squeeze time: central layer: temperature is 45 minutes below 10 ℃, be 40 minutes between temperature 10-20 ℃, temperature is 20 minutes more than 20 ℃, surface backplate: temperature is 20 minutes below 10 ℃, be 15 minutes between temperature 10-20 ℃, temperature is 10 minutes more than 20 ℃;
(5) repair technology: central layer: the folded core of central layer must cut to the greatest extent, and the central layer gap surpasses 2mm, mends with the embedding of band glue central layer, wipes off, surface backplate: lamination is repaired, and after the repairing, gap is no more than 1mm, crack 〉=2mm, mend tightly with mending the bar embedding, mend bar, sticking patch employing arc or linear, and solid colour;
(6) hot pressing: poplar: central layer: thickness: mm time: S/mm
＜6 35
8-12 55
15-25 65
＞25 75
Temperature: 125 ℃, pressure: 20Mpa.
Hot pressing: weedtree: central layer: thickness: mm time: S/mm
＜6 40
8-12 60
15-25 70
＞25 80
Temperature: 130 ℃, pressure: 22Mpa.
Veneer: hot pressing time: thickness :≤18mm, 3 minutes, pressure: 15-16Mpa,
Thickness: 〉=20mm, 5 minutes, pressure: 16-18Mpa.
Hot pressing temperature: 110 ℃;
(7) embedding is mended: for the sheet material that step (6) is got off, the plate face has crack, small holes and score all to need embedding to mend, and used putty needs full, smooth, fill up fault location after, remaining putty is removed clean;
(8) sanding: the sand amount of cutting of central layer is; 0.5mm, use 60 order abrasive bands, the surface backplate sand amount of cutting is: 0.02mm, use 120 order abrasive bands, speed is 30m/ minute;
(9) with above-mentioned sheet material through sanding, the arrangement warehouse-in.
Claims (1)
1. the preparation method of a composite board comprises the processing technology of central layer, surface backplate, and described central layer is the poplar central layer, it is characterized in that: carry out as follows:
(1) arrangement of central layer: the central layer piece is tight, and overlapping and crack must not be arranged, and the central layer moisture content is higher than 16% must dry, and the central layer moisture content after the oven dry is 12%;
(2) gluing: two-sided for central layer and surface backplate, central layer: 320 ± 20g/m
2, surface backplate: 280 ± 20g/m
2, digestion time is 4-5 hour;
(3) preload pressure: central layer: 16-18Mpa, surface backplate 15-17Mpa;
(4) squeeze time: central layer: temperature is 45 minutes below 10 ℃, 10 ℃＜temperature＜20 ℃ is 40 minutes, and temperature is 20 minutes more than 20 ℃, surface backplate: temperature is 20 minutes below 10 ℃, 10 ℃＜temperature of temperature＜20 ℃ is 15 minutes, and temperature is 10 minutes more than 20 ℃;
(5) repair technology: central layer: the folded core of central layer must cut to the greatest extent, and the central layer crack surpasses 2mm, mends with the embedding of band glue central layer, wipes off, surface backplate: lamination is repaired, and after the repairing, the crack is no more than 1mm, crack 〉=2mm mends tightly with mending the bar embedding, mends strip adoption arc or linear, and solid colour;
(6) hot pressing: poplar central layer: thickness: mm time: S
＜6 35
8-12 55
15-25 65
＞25 75
Temperature: 115-125 ℃, pressure: 18-20Mpa;
Surface backplate: hot pressing time: thickness :≤18mm, 3 minutes, pressure: 15-16Mpa;
Thickness: 〉=20mm, 5 minutes, pressure: 16-18Mpa;
Hot pressing temperature: 105-110 ℃;
(7) embedding is mended: for the sheet material that step (6) is got off, the plate face has crack, small holes and score all to need embedding to mend, and used putty needs full, smooth, fill up fault location after, remaining putty is removed clean;
(8) sanding: the sand amount of cutting of central layer is; 0.4-0.5mm, use 60 order abrasive bands, the surface backplate sand amount of cutting is: 0.02mm, use 120 order abrasive bands, speed is 25-30m/ minute;
(9) with above-mentioned sheet material through sanding, the arrangement warehouse-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100212832A CN101337359B (en) | 2008-07-23 | 2008-07-23 | Preparation method of composite sheets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100212832A CN101337359B (en) | 2008-07-23 | 2008-07-23 | Preparation method of composite sheets |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101337359A CN101337359A (en) | 2009-01-07 |
| CN101337359B true CN101337359B (en) | 2010-10-06 |
Family
ID=40211597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100212832A Expired - Fee Related CN101337359B (en) | 2008-07-23 | 2008-07-23 | Preparation method of composite sheets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101337359B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259366A (en) * | 2011-08-05 | 2011-11-30 | 李源林 | Production technology of compound core-boards |
| CN103128804A (en) * | 2013-02-26 | 2013-06-05 | 江苏福庆木业有限公司 | Manufacturing method of melamine ecological plate |
| CN105459224A (en) * | 2015-11-23 | 2016-04-06 | 安徽松泰包装材料有限公司 | Production technology for thick-core laminated boards |
| CN105619545A (en) * | 2016-01-16 | 2016-06-01 | 杭州富丽来装饰材料有限公司 | Production process for plywood |
| CN106113163A (en) * | 2016-06-20 | 2016-11-16 | 福建森源家具有限公司 | Solid wood veneer sheet texture thick china mildew-resistant technique and grain of wood lagging mildew-resistant goods |
| CN106945133A (en) * | 2017-03-29 | 2017-07-14 | 合肥科天水性科技有限责任公司 | It is a kind of aqueous without aldehyde decoration panel and its production technology |
| CN107234683A (en) * | 2017-06-29 | 2017-10-10 | 广西防城港市昌海木业有限公司 | A kind of production technology of thick core laminate |
| CN107186835A (en) * | 2017-07-21 | 2017-09-22 | 容县润达家具有限公司 | A kind of curved cushion sheet metal forming technique of seat |
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2008
- 2008-07-23 CN CN2008100212832A patent/CN101337359B/en not_active Expired - Fee Related
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|---|---|
| CN101337359A (en) | 2009-01-07 |
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