CN113601662A - High-gloss particle type shaving board and preparation method thereof - Google Patents
High-gloss particle type shaving board and preparation method thereof Download PDFInfo
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- CN113601662A CN113601662A CN202110940180.1A CN202110940180A CN113601662A CN 113601662 A CN113601662 A CN 113601662A CN 202110940180 A CN202110940180 A CN 202110940180A CN 113601662 A CN113601662 A CN 113601662A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
- B27N1/02—Mixing the material with binding agent
- B27N1/0209—Methods, e.g. characterised by the composition of the agent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
- B27N3/14—Distributing or orienting the particles or fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/20—Moulding or pressing characterised by using platen-presses
- B27N3/203—Moulding or pressing characterised by using platen-presses with heating or cooling means
Abstract
The invention belongs to the technical field of plates, and particularly relates to a high-gloss particle type shaving board and a preparation method thereof. The shaving board made of the composite material can be used for high-gloss and skin-feel decoration, and the preparation method comprises the following processes: raw material preparation → drying → sieving → grinding → air separation → sizing → paving → pre-pressing → hot pressing → post-processing → sanding. The improved shaving board developed by deeply researching the shapes and the characteristics of raw materials and continuously optimizing the production process on the basis of the production process of the common shaving board fully retains various advantages of the shaving board and perfectly solves the defects that the common shaving board cannot be subjected to high-gloss and skin-feel decoration.
Description
Technical Field
The invention belongs to the technical field of plates, and particularly relates to a high-gloss particle type shaving board and a preparation method thereof.
Background
The shaving board is a board which is pressed by using wood or other non-wood plants as raw materials, separating the raw materials into various unit materials through certain mechanical processing, and then gluing the unit materials with or without adhesive and other additives. The shaving board has good sound absorption, sound insulation, heat insulation and sound absorption performances; the interior of the container is granular with a cross staggered structure, the performances in all directions are basically the same, the transverse bearing capacity is good, the surface is smooth, the texture is vivid, the volume weight is uniform, the thickness error is small, the container is pollution-resistant, ageing-resistant and attractive, the glue consumption is small in the production process, and the environmental protection coefficient is high. There are significant advantages over other types of sheet material. Therefore, the shaving board is widely used in the fields of furniture manufacture, interior decoration, building industry and train and automobile carriage manufacture.
Because the shaving board sandwich layer raw materials among the prior art are long and thin wood shavings, and the top layer is tiny wood shavings, and the sandwich layer can be permeated to along the internal clearance of sandwich layer material to the surface course material, leads to phenomenons such as surface density inequality, surface smoothness not enough. The shaving board in the prior art can only be subjected to simple finishing treatment in practical application, and is difficult to perform high-gloss and skin-feel finishing treatment. The limitation of the finishing treatment in the modern furniture industry severely restricts the development of the furniture.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a high-gloss particle type shaving board which perfectly solves the defect that the common shaving board cannot be decorated with high gloss and skin feel.
In order to achieve the purpose, the invention adopts the following technical scheme:
a preparation method of a high-gloss particle type shaving board comprises the following processes:
(1) and raw materials:
the raw materials comprise imported pine sawdust and machine-made wood shavings, the water content of the imported pine sawdust is less than or equal to 45%, the water content of the machine-made wood shavings is less than or equal to 35%, and the weight ratio of the imported pine sawdust to the machine-made wood shavings is 4: 1 (adjusting the proportion according to the actual raw material condition);
(2) and drying:
the temperature of the hearth: 600-700 ℃ (adjusted according to the actual material drying amount);
temperature of the mixing chamber: 400-500 ℃ (adjusted according to the actual material drying amount);
inlet temperature: 180-200 ℃ (adjusted according to the actual drying amount);
outlet temperature: 120 to 130 ℃;
and (3) moisture content after drying: 1 to 1.5 percent;
(3) and screening:
the size of the dust net is as follows: 0.15mm × 0.15 mm;
surface net size: 0.7mm by 0.7mm or 0.8mm by 0.8 mm;
core mesh size: 5mm × 5 mm;
(4) and polishing:
size of the grinding machine bottom net: 4mm multiplied by 8 mm;
grinding and screening the size of a dust net: 0.15mm × 0.15 mm;
grinding and screening the surface mesh size: 0.7mm by 0.7mm or 0.8mm by 0.8 mm;
grinding the size of the screen core net: 5mm × 5 mm;
(5) and winnowing:
the rotating speed of the core layer winnowing machine is less than or equal to 1200r/min (adjusted according to the material passing amount);
the rotating speed of the core layer winnowing machine is less than or equal to 1400r/min (adjusted according to the material passing amount);
(6) sizing:
sizing amount: 70-75 kg/m of surface layer3Core layer 80-85 kg/m3；
The addition amount of paraffin: surface layer 3.5-4 kg/m3The core layer is not added;
addition amount of curing agent: core layer 3-3.5 kg/m3The surface layer is not added;
water content after glue mixing: 14-15% of surface layer and 11.5-12.5% of core layer;
the operation current of the glue mixer is as follows: 45-50A of surface layer and 70-80A of core layer;
(7) and paving:
the belt speed is as follows: 10 m/min;
surface layer bulk density: 90kg/m3；
Bulk density of the core layer: 110kg/m3；
Core table proportioning: 0.55
Weight of the plate blank: 45-46 kg;
(8) and pre-pressing:
pressure of a prepress: the first 50kg and the second 80kg, and the pressure maintaining roller is stopped;
(9) and hot pressing:
the press parameters are shown in table 1 below:
TABLE 1 Press parameters
Hot pressing temperature: inlet 185 ℃ (± 2 ℃), outlet 180 ℃ (± 2 ℃); thickness deviation. + -. 0.15 mm.
(10) And post-treatment:
sawing length: 2480 + -1 mm;
sawing width: 1260 plus or minus 1 mm;
diagonal size: 2780 mm plus or minus 2 mm;
(11) sanding:
sawing length: 2440mm (deviation 0-1 mm/m);
sawing width: 1220 (deviation 0-1 mm/m);
diagonal size: 2780 (less than or equal to 3 mm);
thickness deviation: -0.1-0.05 mm;
edge straightness: plus or minus 1 mm/m;
(12) and the performance index of the plate is as follows:
density: 600-620 kg/m3；
Density deviation: less than or equal to 5 percent;
internal bonding strength: not less than 0.4 MPa;
table bond strength: not less than 1.05 MPa;
static bending strength: not less than 12 MPa;
nail-holding power: the plate surface is more than or equal to 1100N, and the plate edge is more than or equal to 700N;
2H water absorption thickness expansion rate: less than or equal to 5 percent;
water content of the plate: 6.5 to 7.5 percent;
free formaldehyde emission: less than or equal to 4.5mg/100 g.
Advantageous effects
The invention discloses a high-gloss particle type shaving board, which is an improved shaving board developed by deeply researching the form and the characteristics of raw materials and continuously optimizing the production process on the basis of the production process of a common shaving board. The shaving board has the characteristics of fine surface, small density deviation and the like while fully retaining various advantages of the shaving board, and perfectly solves the defects that the common shaving board cannot be used for high-gloss and skin-feel decoration.
After the sample is successfully trial-manufactured, the laboratory is used for comprehensively detecting that all experimental data reach the standard, all performance indexes of the sample reach or even exceed the performance indexes of a common shaving board, and the normal use of a customer is not influenced. Meanwhile, the high-gloss and skin-feel veneer can be carried out on the sample plate, and the requirement of a high-end veneer is completely met.
Drawings
FIG. 1: the invention relates to a process flow chart of a preparation method of a high-gloss particle type shaving board.
FIG. 2: the effect picture of the high-gloss particle type shaving board after the skin-feel veneer is finished;
FIG. 3: the effect picture of the high-gloss particle type shaving board after high-gloss decoration is shown.
Detailed Description
Hereinafter, the present invention will be described in detail. Before the description is made, it should be understood that the terms used in the present specification and the appended claims should not be construed as limited to general and dictionary meanings, but interpreted based on the meanings and concepts corresponding to technical aspects of the present invention on the basis of the principle that the inventor is allowed to define terms appropriately for the best explanation. Accordingly, the description proposed herein is just a preferable example for the purpose of illustrations only, not intended to limit the scope of the invention, so it should be understood that other equivalents and modifications could be made thereto without departing from the spirit and scope of the invention.
The following examples are given by way of illustration of embodiments of the invention and are not to be construed as limiting the invention, and it will be understood by those skilled in the art that modifications may be made without departing from the spirit and scope of the invention. Unless otherwise specified, reagents and equipment used in the following examples are commercially available products.
Example 1
A preparation method of a high-gloss particle type shaving board comprises the following processes:
(1) and raw materials:
the raw materials comprise imported pine sawdust and machine-made wood shavings, the water content of the imported pine sawdust is less than or equal to 45%, the water content of the machine-made wood shavings is less than or equal to 35%, and the weight ratio of the imported pine sawdust to the machine-made wood shavings is 8: 2 (adjusting the proportion according to the actual raw material condition);
(2) and drying:
the temperature of the hearth: 600 ℃;
temperature of the mixing chamber: 400 ℃;
inlet temperature: 180 ℃;
outlet temperature: 120 ℃;
and (3) moisture content after drying: 1.5 percent;
(3) and screening:
the size of the dust net is as follows: 0.15mm × 0.15 mm;
surface net size: 0.7mm × 0.7 mm;
core mesh size: 5mm × 5 mm;
(4) and polishing:
size of the grinding machine bottom net: 4mm multiplied by 8 mm;
grinding and screening the size of a dust net: 0.15mm × 0.15 mm;
grinding and screening the surface mesh size: 0.7mm × 0.7 mm;
grinding the size of the screen core net: 5mm × 5 mm;
(5) and winnowing:
the rotating speed of the core layer winnowing machine is 1200 r/min;
the rotating speed of the core layer winnowing machine is 1300 r/min;
(6) sizing:
sizing amount: surface layer 70kg/m3Core layer 80kg/m3；
The addition amount of paraffin: surface layer 3.5kg/m3The core layer is not added;
addition amount of curing agent: core layer 3kg/m3The surface layer is not added;
water content after glue mixing: 14% of surface layer and 11.5% of core layer;
the operation current of the glue mixer is as follows: a skin layer 45A, a core layer 70A;
(7) and paving:
the belt speed is as follows: 10 m/min;
surface layer bulk density: 90kg/m3；
Bulk density of the core layer: 110kg/m3；
Core table proportioning: 0.55
Weight of the plate blank: 45 kg;
(8) and pre-pressing:
pressure of a prepress: the first 50kg and the second 80kg, and the pressure maintaining roller is stopped; (9) and hot pressing:
the press parameters are shown in table 2 below:
TABLE 2 Press parameters for example 1
Hot pressing temperature: inlet 185 ℃ (± 2 ℃), outlet 180 ℃ (± 2 ℃); thickness deviation. + -. 0.15 mm.
(10) And post-treatment:
sawing length: 2480 + -1 mm;
sawing width: 1260 plus or minus 1 mm;
diagonal size: 2780 mm plus or minus 2 mm;
(11) sanding:
sawing length: 2440mm (deviation 0-1 mm/m);
sawing width: 1220 (deviation 0-1 mm/m);
diagonal size: 2780 (less than or equal to 3 mm);
thickness deviation: -0.1-0.05 mm;
edge straightness: . + -. 1 mm/m.
Example 2
A preparation method of a high-gloss particle type shaving board comprises the following processes:
(1) and raw materials:
the raw materials comprise imported pine sawdust and machine-made wood shavings, the water content of the imported pine sawdust is less than or equal to 45%, the water content of the machine-made wood shavings is less than or equal to 35%, and the weight ratio of the imported pine sawdust to the machine-made wood shavings is 16: 2 (adjusting the proportion according to the actual raw material condition);
(2) and drying:
the temperature of the hearth: 700 ℃ (adjusted according to the actual material drying amount);
temperature of the mixing chamber: 500 ℃ (adjusted according to the actual material drying amount);
inlet temperature: 200 ℃ (adjusting according to the actual material drying amount);
outlet temperature: 130 ℃;
and (3) moisture content after drying: 1 percent;
(3) and screening:
the size of the dust net is as follows: 0.15mm × 0.15 mm;
surface net size: 0.8mm × 0.8 mm;
core mesh size: 5mm × 5 mm;
(4) and polishing:
size of the grinding machine bottom net: 4mm multiplied by 8 mm;
grinding and screening the size of a dust net: 0.15mm × 0.15 mm;
grinding and screening the surface mesh size: 0.8mm × 0.8 mm;
grinding the size of the screen core net: 5mm × 5 mm;
(5) and winnowing:
the rotating speed of the core layer winnowing machine is 1000r/min, and the adjustment is carried out according to the material passing amount;
the rotating speed of the core layer winnowing machine is 1400r/min, and the core layer winnowing machine is adjusted according to the excess material amount;
(6) sizing:
sizing amount: surface layer 75kg/m3Core layer 85kg/m3；
The addition amount of paraffin: surface layer 4kg/m3The core layer is not added;
addition amount of curing agent: core layer 3.5kg/m3The surface layer is not added;
water content after glue mixing: 15% of surface layer and 12.5% of core layer;
the operation current of the glue mixer is as follows: a skin layer 50A, a core layer 80A;
(7) and paving:
the belt speed is as follows: 10 m/min;
surface layer bulk density: 90kg/m3；
Bulk density of the core layer: 110kg/m3；
Core table proportioning: 0.55
Weight of the plate blank: 46 kg;
(8) and pre-pressing:
pressure of a prepress: the first 50kg and the second 80kg, and the pressure maintaining roller is stopped;
(9) and hot pressing:
the press parameters are shown in table 3 below:
TABLE 3 Press parameters for example 2
Pressing temperature: inlet 185 ℃ (± 2 ℃), outlet 180 ℃ (± 2 ℃); thickness deviation. + -. 0.15 mm.
(10) And post-treatment:
sawing length: 2480 + -1 mm;
sawing width: 1260 plus or minus 1 mm;
diagonal size: 2780 mm plus or minus 2 mm;
(11) sanding:
sawing length: 2440mm (deviation 0-1 mm/m);
sawing width: 1220 (deviation 0-1 mm/m);
diagonal size: 2780 (less than or equal to 3 mm);
thickness deviation: -0.1-0.05 mm;
edge straightness: . + -. 1 mm/m.
Example 3
A preparation method of a high-gloss particle type shaving board comprises the following processes:
(1) and raw materials:
the raw materials comprise imported pine sawdust and machine-made wood shavings, the water content of the imported pine sawdust is less than or equal to 45%, the water content of the machine-made wood shavings is less than or equal to 35%, and the weight ratio of the imported pine sawdust to the machine-made wood shavings is 6: 2 (adjusting the proportion according to the actual raw material condition);
(2) and drying:
the temperature of the hearth: 650 ℃ (adjusted according to the actual material drying amount);
temperature of the mixing chamber: 450 ℃ (adjusted according to the actual material drying amount);
inlet temperature: 190 ℃ (adjusted according to the actual material drying amount);
outlet temperature: 125 ℃;
and (3) moisture content after drying: 1.25 percent;
(3) and screening:
the size of the dust net is as follows: 0.15mm × 0.15 mm;
surface net size: 0.8mm × 0.8 mm;
core mesh size: 5mm × 5 mm;
(4) and polishing:
size of the grinding machine bottom net: 4mm multiplied by 8 mm;
grinding and screening the size of a dust net: 0.15mm × 0.15 mm;
grinding and screening the surface mesh size: 0.7mm × 0.7 mm;
grinding the size of the screen core net: 5mm × 5 mm;
(5) and winnowing:
the rotating speed of the core layer winnowing machine is 1100r/min, and the core layer winnowing machine is adjusted according to the excess material amount; the rotating speed of the core layer winnowing machine is 1100r/min, and the core layer winnowing machine is adjusted according to the excess material amount;
(6) sizing:
sizing amount: surface layer 73kg/m3Core layer 83kg/m3；
The addition amount of paraffin: surface layer 3.8kg/m3The core layer is not added;
addition amount of curing agent: core layer 3.3kg/m3The surface layer is not added;
water content after glue mixing: 14.5% of a surface layer and 12% of a core layer;
the operation current of the glue mixer is as follows: a skin layer 47A, a core layer 75A;
(7) and paving:
the belt speed is as follows: 10 m/min;
surface layer bulk density: 90kg/m3；
Bulk density of the core layer: 110kg/m3；
Core table proportioning: 0.55
Weight of the plate blank: 45 kg;
(8) and pre-pressing:
pressure of a prepress: the first 50kg and the second 80kg, and the pressure maintaining roller is stopped;
(9) and hot pressing:
the press parameters are shown in table 4 below:
TABLE 4 Press parameters
Hot pressing temperature: inlet 185 ℃ (± 2 ℃), outlet 180 ℃ (± 2 ℃); thickness deviation. + -. 0.15 mm.
(10) And post-treatment:
sawing length: 2480 + -1 mm;
sawing width: 1260 plus or minus 1 mm;
diagonal size: 2780 mm plus or minus 2 mm;
(11) sanding:
sawing length: 2440mm (deviation 0-1 mm/m);
sawing width: 1220 (deviation 0-1 mm/m);
diagonal size: 2780 (less than or equal to 3 mm);
thickness deviation: -0.1-0.05 mm;
edge straightness: . + -. 1 mm/m.
Examples of the experiments
The performance of the high-gloss particle type shaving board prepared by the invention is detected, and the detection data are shown as follows.
TABLE 5 Density of high gloss particle chipboard sheets made according to the invention
TABLE 6 moisture content of high gloss particle shaving board material prepared by the present invention
TABLE 8 internal bond Strength of high gloss particle chipboard panels made according to the invention
TABLE 9 water absorption thickness expansion rate of 2 hours for high gloss particle chipboard material made according to the invention
TABLE 10 static bending strength of high gloss particle chipboard made according to the invention
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (10)
1. A preparation method of a high-gloss particle type shaving board is characterized in that the shaving board can be used for high-gloss and skin-feel decoration, and the preparation method comprises the following processes: raw material preparation → drying → sieving → grinding → air separation → sizing → paving → pre-pressing → hot pressing → post-processing → sanding.
2. The method for preparing a high-gloss particle-type particle board according to claim 1, wherein the water content of the imported pine sawdust is less than or equal to 45%, the water content of the machine-made wood shavings is less than or equal to 35%, and the weight ratio of the imported pine sawdust to the machine-made wood shavings is 4: 1.
3. the method for preparing the high-gloss particle type particle board according to claim 1, wherein the specific process parameters of the drying process are as follows: the temperature of the hearth: adjusting the temperature of 600-700 ℃ according to the actual material drying amount; temperature of the mixing chamber: adjusting the temperature to 400-500 ℃ according to the actual material drying amount; inlet temperature: adjusting the temperature of 180-200 ℃ according to the actual drying amount; outlet temperature: 120 to 130 ℃; and (3) moisture content after drying: 1-1.5%.
4. The method for preparing a high gloss particle type particle board according to claim 1, wherein:
the screening process comprises the following specific process parameters: the size of the dust screen is as follows: 0.15mm × 0.15 mm; surface net size: 0.7mm by 0.7mm or 0.8mm by 0.8 mm; core mesh size: 5mm × 5 mm;
the specific technological parameters of the polishing process are as follows: size of the grinding machine bottom net: 4mm multiplied by 8 mm; grinding and screening the size of a dust net: 0.15mm × 0.15 mm; grinding and screening the surface mesh size: 0.7mm by 0.7mm or 0.8mm by 0.8 mm; grinding the size of the screen core net: 5 mm. times.5 mm.
5. The method for preparing the high-gloss particle type particle board according to claim 1, wherein the specific process parameters of the air separation process are as follows: the rotating speed of the core layer winnowing machine is less than or equal to 1200r/min and is adjusted according to the excess material amount; the rotating speed of the core layer winnowing machine is less than or equal to 1400r/min and is adjusted according to the material passing amount.
6. The method for preparing a high-gloss particle-type particle board according to claim 1, wherein the specific process parameters of the sizing process are as follows: sizing amount: 70-75 kg/m of surface layer3Core layer 80-85 kg/m3(ii) a The addition amount of paraffin: surface layer 3.5-4 kg/m3The core layer is not added; addition amount of curing agent: core layer 3-3.5 kg/m3The surface layer is not added; water content after glue mixing: 14-15% of surface layer and 11.5-12.5% of core layer; the operation current of the glue mixer is as follows: 45-50A of surface layer and 70-80A of core layer.
7. The method for preparing the high-gloss particle type particle board according to claim 1, wherein the specific process parameters of the paving process are as follows: the belt speed is as follows: 10 m/min; surface layer bulk density: 90kg/m3(ii) a Bulk density of the core layer: 110kg/m3(ii) a Core table proportioning: 0.55; weight of the plate blank: 45-46 kg; the concrete technological parameters of the prepressing technology are as follows: pressure of a prepress: the first 50kg and the last 80kg of the pressure maintaining roller are stopped.
8. The method of manufacturing a high gloss particle type particle board according to claim 1, wherein the press parameters of the hot pressing process are:
a period of time is 10-15S, the upper limit of a pressure at a first section is 100-150 kg, and the displacement at a first section of the press is 21 mm;
the second-stage time is 40-80S, the lower limit of the first-stage pressure is 95-145 kg, and the maximum value of the second-stage displacement of the press is 20 mm;
the third-stage time is 140-100S, the upper limit of the second-stage pressure is 70-100 kg, and the minimum value of the second-stage displacement of the press is 19.4 mm;
the four-stage time is 30S, the lower limit of the second-stage pressure is 65-95 kg, and the maximum value of the third-stage displacement of the press is 18.8 mm;
the five-section time is 20S, the upper limit of the three-section pressure is 60kg, and the minimum value of the three-section displacement of the press is 18.7 mm;
six periods of time are 50S, the lower limit of the three periods of pressure is 50kg, and the maximum pressure is set to be 215 kg;
the pressure is reduced by 14kg, and the upper limit of the pressure of the four sections is 20 kg;
the upper limit of the pressure of the five sections is 18 kg;
the upper limit of the pressure of the six sections is 17 kg;
hot pressing temperature: the inlet is 185 +/-2 ℃, and the outlet is 180 +/-2 ℃; thickness deviation. + -. 0.15 mm.
9. The method for preparing a high-gloss particle-type particle board according to claim 1, wherein the specific process parameters of the post-treatment process are as follows: sawing length: 2480 + -1 mm; sawing width: 1260 plus or minus 1 mm; diagonal size: 2780 mm plus or minus 2 mm;
the specific process parameters of the sanding process are as follows:
sawing length: 2440mm (deviation 0-1 mm/m); sawing width: 1220 (deviation 0-1 mm/m); diagonal size: 2780 (deviation is less than or equal to 3 mm); thickness deviation: -0.1-0.05 mm; edge straightness: . + -. 1 mm/m.
10. A high gloss particle type particle board according to claim 1, wherein said high gloss particle type particle board is prepared by the method of any one of claims 1 to 9.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20100104813A1 (en) * | 2008-10-21 | 2010-04-29 | Andre Verville | Embossed monolayer particleboards and methods of preparation thereof |
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| JP2017154300A (en) * | 2016-02-29 | 2017-09-07 | 株式会社タケックス・ラボ | Particle board |
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