CN104608209B - Manufacturing method for universal bending glued bamboo laminate board - Google Patents
Manufacturing method for universal bending glued bamboo laminate board Download PDFInfo
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- CN104608209B CN104608209B CN201510068680.5A CN201510068680A CN104608209B CN 104608209 B CN104608209 B CN 104608209B CN 201510068680 A CN201510068680 A CN 201510068680A CN 104608209 B CN104608209 B CN 104608209B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D5/00—Other working of veneer or plywood specially adapted to veneer or plywood
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- Forests & Forestry (AREA)
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Abstract
The invention belongs to a manufacturing method for a universal bending glued bamboo laminate board. The manufacturing method comprises the steps of bamboo sheet sorting, bamboo sheet fixed-length processing, bamboo sheet drying, bamboo sheet glue dipping and glue draining, glue dipped bamboo sheet drying, staggered joint assembling, hot press molding, bamboo stringer surface processing, bamboo stringer stress grading, bamboo stringer glue applying, universal bending, nail connecting, marking and packing of bamboo stringer units and the like. By means of the manufacturing method, bamboo engineering materials controllable in length, width, bending degree and performance can be manufactured, the application range of bamboo materials is enlarged through the method, and the manufactured universal bending glued bamboo laminate board is capable of meeting the requirement of the engineering materials, firm, strong, good in tenacity, free of cracks in long-term use and good in quality.
Description
Technical field：
The invention belongs to bamboo wood-based plate and bamboo matter engineering material technical field.
Background technology：
The development of artificial bamboo board serves good impetus to the processing and utilization that China's bamboo timber resource enriches, all kinds of
The developmental research of bamboo product also brings very big economic benefit to society.With the successful Application to laminated wood, stable performance
The cemented bamboo laminate that controllable, length is continuous, width can become with design requirement is succeeded in developing, and cemented bamboo also serves as a kind of bamboo matter work
Journey materials application is in engineering structure building.
Engineered Wood Product Manufacturing is the engineered material based on laminated wood and structural composite lumber.There is normalized performance to refer to for it
Mark, plurality of specifications.American Engineering wood（Laminated wood）Just there are 7 kinds of specifications.The basic Component units of Engineered Wood Product Manufacturing are timber layer plate, in work
In the design of Cheng Mu, timber layer plate can be combined the laminated wood for forming all size by classification, different grades of timber layer plate.Cemented bamboo
Design be exactly design with reference to laminated wood, by bamboo layers plate by being classified, different grades of cemented bamboo laminate is then made glue
Close bamboo.For laminated wood, its basic component units can be processed cemented bamboo according to the requirement of cemented bamboo, rather than
Wide, finger joint spreading is spelled by splicing as timber layer plate.
Engineered Wood Products, such as laminated wood and cemented bamboo, as a result of timber layer plate and cemented bamboo laminate as basic composition
Unit, generally more difficult bending, or can only suitably be bent in a plane, it is impossible to realize wanting for many bent members
Ask.With reference to the design of Engineered Wood Product Manufacturing, to enable that cemented bamboo realizes the universal bending on larger component, energy need to be first obtained
Enough realize the elementary cell of universal bending.Therefore bamboo stringer is developed, it is by the basic of cemented bamboo laminate by several bamboo chips
Operation, the basic Component units of another cemented bamboo being made of the determining deviation fissure of displacement.
But existing artificial bamboo board, cemented bamboo laminate each layer and it is adjacent between fastness it is not enough, often by cold and hot, dry tide
Alternately influence and ftracture.
The content of the invention
It is an object of the invention to provide it is a kind of it is universal bending cemented bamboo laminate manufacture method, can factory length, width,
Flexibility and its controllable bamboo matter engineering material of performance, the method expand the range of application of bamboo wood, are made universal bending glued
Bamboo layers plate meets the requirement of engineering material, firm firm, good toughness, and permanent using not ftractureing, quality is excellent.
It is this, the method for the present invention comprises the following steps:
（1）Bamboo chip is sorted, it is desirable to：
Sectional dimension stabilization, no significant defect, density variation is smaller.
Bamboo chip length selects 2.0 m, and bamboo chip width series is 18 mm and 20 mm, and bamboo chip thickness series is 4 mm, 5 mm
With 6 mm；
（2）Bamboo chip Processing to length, to make, the ladder fissure of displacement is regular to be distributed on bamboo layers plate, it is necessary to selected bamboo chip
Processing to length is carried out, bamboo cane is intercepted into 2.0 m with dual-end sawing, it is standby；
（3）Bamboo chip is dried, and using quick microwave drying oven, the bamboo chip of the similar density that will be sub-elected is dried, and is done
Dry temperature is 80 DEG C, and the initial aqueous rate situation of drying time bamboo chip according to used by makes bamboo chip moisture content be reduced to 10%；
（4）Bamboo chip impregnation uses water soluble phenol resin with drip glue, adhesive, and its solid content is 54%, glue is injected and is soaked
Jiao Chi, bamboo chip is positioned on impregnation pond in liftable gabion, and gabion is put into impregnation pond, bamboo chip is completely immersed in gluing
In agent, the impregnation time is 2 hours；After impregnation terminates, gabion is risen, bamboo chip is separated with glue, allows unnecessary glue to leach,
It is back to impregnation pond；Cementing beam is dripped, bamboo chip is taken out into drying；
（5）Impregnation bamboo chip is dried, and impregnation bamboo chip is spontaneously dried at ambient temperature, the solvent in removal adhesive
Water, drying time is 3~5 days；
（6）Fissure of displacement assembly, the requirement of thickness and cemented bamboo member bends degree according to bamboo chip takes 5 bamboo chip compositions one
Individual bamboo stringer, bamboo chip length is 2.0 m, and width is 18~20 mm, and thickness is 4~6 mm, takes 5 bamboo chips for one group, designs bamboo
Fissure of displacement spacing is 400 mm between piece, and impregnation bamboo chip is staggered with non-impregnation bamboo chip, and arrangement mode is：Three non-impregnation bamboos
Piece, two impregnation bamboo chips, multigroup bamboo chip group is end to end, and fissure of displacement bamboo chip group is bundled into adhesive tape, and the fissure of displacement bamboo chip group length is appointed
Meaning, width is 20 mm, and thickness is 18 mm, and the end to end composition length of the fissure of displacement bamboo chip group of different length is continuous pre- group
Bamboo stringer, bamboo chip length is 2.0 m in described fissure of displacement assembly, and width series is 18 mm and 20 mm, and thickness series is 4 mm,
5 mm and 6 mm, are a bamboo chip group with 5 bamboo chips, and fissure of displacement line space design is 400 mm, and multigroup bamboo chip is end to end, and composition is pre-
Group unit；
（7）It is hot-forming, multigroup pre- group of bamboo stringer be placed with the hot press of side-pressing device, hot press is preheated to 135~
145 DEG C, pre- group bamboo stringer is put into hot press, plus malleation and side pressure, hot setting.The MPa of positive pressure pressure 1, side pressure pressure 0.5
MPa, 140 DEG C of solidification temperature, 20 minutes time.Hot press is risen after solidification, bamboo stringer is pushed ahead, until needed for extruding
Untill the bamboo stringer of length, taking-up is blocked, placed stand-by；
（8）Bamboo stringer surface is processed, and bamboo stringer upper and lower surface is planished with thicknesser first, then with sander by four sides sanding；
（9）The stress grading of bamboo stringer, the bending modulus of bamboo stringer is detected using three-point bending method, is entered according to its stress
Row classification, method is that bamboo stringer unit is placed on the fulcrum that span is 1500 mm, for the first time 2.5 kilograms of loading, and record is scratched
Degree, second 5 kilograms of loading, records amount of deflection,
Modulus is calculated using three-point bending formula of modulus, formula is as follows：
E is bending modulus in formula（MPa）, p is load（N）, I is span（m）, b is bamboo stringer width（m）, d is thickness
（m）,It is amount of deflection（m）；
（10）Bamboo stringer applying glue, the sectional dimension according to cemented bamboo calculates required stringer quantity and applying glue face, further according to
The resin added of 200 g/m2 is carried out with glue, and adhesive is from model 128 and the epoxy resin curing accelerator of model 593, resin
It is 4 with the ratio of curing agent:1；Nine bamboo stringers bend the making of cemented bamboo, every three as a unit, to applying glue
Face individually carries out applying glue, and the shape specified is bent to according to member bends requirement, then carries out glue nail connection between layers, obtains
Bamboo stringer unit；
（11）The universal bending of bamboo stringer unit, bamboo stringer unit is placed on mould and is bent by its requirement, first
Three pre- group elementary layers of bamboo stringer composition, its bending direction should be consistent with desired bending direction, then applying glue between three layers
Nail joint is fixed together, by the pressing direction of bamboo stringer, i.e., tangential on the relatively small direction of radius of curvature, is bent,
Sectional dimension according to cemented bamboo designs the type and quantity of assembly stringer；
（12）Nail joint, because universal bending bamboo stringer unit is difficult to press, therefore is attached fixation from air gun nail, arranges
Mode is：In line nail, nail rod 30 mm long, the mm of diameter 1, for pre- group elementary layer, are carried out two-by-two according to the spacing of 50 mm
Nail joint between stringer, nail length is 30 mm；For between layers, a nail being followed closely between adjacent layer stringer, along width
3 nails on direction, the mm of length direction spacing 50 obtains universal bending cemented bamboo laminate, and described nail is the steel being made of a steel
Nail；
（13）Display and processed with the later stage, the universal bending cemented bamboo laminate that will be fixed solidifies at ambient temperature, to glue
Glutinous agent is fully cured, and will be surface-treated with portable electric planer and sander smooth, and two ends is carried out flush；
（14）Mark is marked accordingly with packaging, the universal bending cemented bamboo that will be machined, dated bending curvature,
Bamboo stringer relevant information, MOR and modulus, density and moisture content parameter.
Described step（12）In in line nail nail rod 30 mm long, the mm of diameter 1, take between stringer nail joint one two-by-two
Secondary, nail spacing is 50 mm, and position is near bamboo stringer central point.
Described（16）By 32 mm long in step, the nail of the mm of diameter 2.2 is applied to the system of the universal bending of bamboo stringer
In the middle of making, hammering into for air gun nail is followed closely once using per plate layer by layer, and 5 nails and 4 nails are according to specified requirement oem character set
Arrangement.Nail back gauge is 20 mm, and spacing is 42 mm.
Required according to flexibility, bamboo stringer is made up of 5 bamboo chips of different-thickness, bent with meeting the basic design of component
It is required that.
It is an advantage of the invention that with the method for simple possible, can factory length, width, flexibility and its performance it is controllable
Bamboo matter engineering material, the method expands the range of application of bamboo wood, is made universal bending cemented bamboo laminate and meets engineering material
It is required that, firm firm, good toughness, permanent using not ftractureing, quality is excellent.
Brief description of the drawings：
Fig. 1：Bamboo stringer cellular construction schematic diagram of the invention.
Fig. 2：The structural representation of universal bending cemented bamboo laminate of the invention.
Fig. 3：The cross section structure schematic diagram of universal bending cemented bamboo laminate of the invention.
Fig. 4：The distributed architecture schematic diagram of layer nail of the invention.
Fig. 5：The distribution pitch structure schematic diagram of layer nail of the invention.
Specific embodiment
A kind of manufacture method of universal bending cemented bamboo laminate
As shown in Figures 1 to 5,（1）Bamboo chip is sorted, it is desirable to：Sectional dimension stabilization, no significant defect, density variation compared with
It is small.
Bamboo chip dimensions, the length of bamboo chip is 2.0m, and the thickness and width series of bamboo chip is shown in Table 1.
The bamboo chip thickness and width of table 1 series
| Bamboo chip thickness mm | 4 | 5 | 6 |
| Bamboo chip width mm | 18 | 20 | 20 |
（2）Bamboo chip Processing to length, to make, the ladder fissure of displacement is regular to be distributed on bamboo layers plate, it is necessary to selected bamboo chip
Processing to length is carried out, bamboo cane is intercepted into 2.0 m with dual-end sawing, it is standby.
（3）Bamboo chip is dried, and using quick microwave drying oven, the bamboo chip of the similar density that will be sub-elected is dried, and is done
Dry temperature is 80 DEG C, and the initial aqueous rate situation of drying time bamboo chip according to used by makes bamboo chip moisture content be reduced to 10%.
（4）Bamboo chip impregnation uses water soluble phenol resin with drip glue, adhesive, and its solid content is 54%, glue is injected and is soaked
Jiao Chi, bamboo chip is positioned on impregnation pond in liftable gabion, and gabion is put into impregnation pond, bamboo chip is completely immersed in gluing
In agent, the impregnation time is 2 hours；After impregnation terminates, gabion is risen, bamboo chip is separated with glue, allows unnecessary glue to leach,
It is back to impregnation pond；Cementing beam is dripped, bamboo chip is taken out into drying.
（5）Impregnation bamboo chip is dried, and impregnation bamboo chip is spontaneously dried at ambient temperature, the solvent in removal adhesive
Water, drying time is 3~5 days.
（6）Fissure of displacement assembly, the requirement of thickness and cemented bamboo member bends degree according to bamboo chip takes 5 bamboo chip compositions one
Individual bamboo stringer, by taking a kind of bamboo stringer of specification as an example：Bamboo chip length is 2.0 m, and width is 18~20 mm, and thickness is 4~6
Mm, takes 5 bamboo chips for one group, and fissure of displacement spacing is 400 mm between design bamboo chip, and impregnation bamboo chip is staggered with non-impregnation bamboo chip,
Arrangement mode is：Three non-impregnation bamboo chips, two impregnation bamboo chips, multigroup bamboo chip group is end to end, and fissure of displacement bamboo is bundled into adhesive tape
Piece group, the fissure of displacement bamboo chip group length is any, and width is 20 mm, and thickness is 18 mm, and the fissure of displacement bamboo chip group of different length is first
Tail connect composition length continuously in advance organize bamboo stringer.
（7）It is hot-forming, multigroup pre- group of bamboo stringer be placed with the hot press of side-pressing device, hot press is preheated to 135~
145 DEG C, pre- group bamboo stringer is put into hot press, plus malleation and side pressure, hot setting.The MPa of positive pressure pressure 1, side pressure pressure 0.5
MPa, 140 DEG C of solidification temperature, 20 minutes time.Hot press is risen after solidification, bamboo stringer is pushed ahead, until needed for extruding
Untill the bamboo stringer 3 of length, taking-up is blocked, placed stand-by.
（8）Bamboo stringer surface is processed, and bamboo stringer upper and lower surface is planished with thicknesser first, then with sander by four sides sanding.
（9）The stress grading of bamboo stringer, the bending modulus of bamboo stringer is detected using three-point bending method, is entered according to its stress
Row classification.Method is that bamboo stringer unit is placed on the fulcrum that span is 1500 mm, for the first time 2.5 kilograms of loading, and record is scratched
Degree, second 5 kilograms of loading, records amount of deflection.
Modulus is calculated using three-point bending formula of modulus, formula is as follows：
E is bending modulus in formula（MPa）, p is load（N）, I is span（m）, b is bamboo stringer width（m）, d is thickness
（m）,It is amount of deflection（m）.
（10）Bamboo stringer applying glue, the sectional dimension according to cemented bamboo calculates required stringer quantity and applying glue face 4, further according to
The resin added of 200 g/m2 is carried out with glue, and adhesive is promoted from the epoxy resin cure of model 128 and model 593
The ratio of agent, resin and curing agent is 4:1.So that nine bamboo stringers carry out the making for bending cemented bamboo as an example, can be with every three works
It is a unit, applying glue is individually carried out to applying glue face, the shape specified is bent to according to member bends requirement, then carry out layer and layer
Between glue nail connection, obtain bamboo stringer unit 1.
（11）The universal bending of bamboo stringer unit, bamboo stringer unit is placed on mould and is bent by its requirement, first
Three pre- group elementary layers of bamboo stringer composition, its bending direction should be consistent with desired bending direction, then applying glue between three layers
Nail joint is fixed together, on the relatively small direction of radius of curvature, by the pressing direction of bamboo stringer（It is i.e. tangential）Bent,
The type and quantity of assembly stringer can be designed according to the sectional dimension of cemented bamboo.
（12）Nail joint, because universal bending bamboo stringer unit is difficult to press, therefore is attached fixation from air gun nail, arranges
Mode is：In line nail 5, nail rod 30 mm long, the mm of diameter 1, for pre- group elementary layer, two are carried out according to the spacing of 50 mm
Nail joint between two stringers, nail length is 30 mm；For between layers, a nail being followed closely between adjacent layer stringer, along width
3 nails on degree direction, the mm of length direction spacing 50 obtains universal bending cemented bamboo laminate 2.
（13）Display and processed with the later stage, the universal bending cemented bamboo laminate that will be fixed solidifies at ambient temperature, to glue
Glutinous agent is fully cured, and will be surface-treated with portable electric planer and sander smooth, and two ends is carried out flush.
（14）Mark is marked accordingly with packaging, the universal bending cemented bamboo that will be machined, dated bending curvature,
The parameter such as bamboo stringer relevant information, MOR and modulus, density and moisture content.
Bamboo chip length is 2.0 m in described fissure of displacement assembly, and width series is 18 mm and 20 mm, and thickness series is 4
Mm, 5 mm and 6 mm, are a bamboo chip group such as with 5 bamboo chips, and fissure of displacement line space design is 400 mm, and multigroup bamboo chip is end to end,
The pre- group unit of composition.Described step（12）In in line nail nail rod 30 mm long, the mm of diameter 1, take between stringer two-by-two
Once, nail spacing is 50 mm, and position is near bamboo stringer central point for nail joint.Described（16）By 32 mm long in step,
The nail of the mm of diameter 2.2 is applied in the middle of the manufacture of the universal bending of bamboo stringer, and hammering into for air gun nail follows closely one using per plate layer by layer
Secondary, 5 nails and 4 nails are arranged according to specified requirement oem character set.Nail back gauge is 20 mm, and spacing is 42 mm.Can
Required according to flexibility, bamboo stringer is made up of 3~7 bamboo chips of different-thickness, requirement is bent to meet the basic design of component.
Described nail is the steel nail being made of a steel.
In a word, the present invention can factory length, width, flexibility and its controllable bamboo matter engineering material of performance, the method expansion
The big range of application of bamboo wood, is made the requirement that universal bending cemented bamboo laminate meets engineering material, firm firm, good toughness,
Permanent use is not ftractureed, and quality is excellent.
Claims (3)
1. it is a kind of it is universal bending cemented bamboo laminate manufacture method, it is characterised in that：Comprise the following steps,
（1）Bamboo chip is sorted, it is desirable to：
Sectional dimension stabilization, no significant defect, density variation is smaller；
Bamboo chip length selects 2.0 m, and bamboo chip width series is 18 mm and 20 mm, and bamboo chip thickness series is 4 mm, 5 mm and 6
mm；
（2）Bamboo chip Processing to length, to make, the ladder fissure of displacement is regular to be distributed on bamboo layers plate, it is necessary to be carried out to selected bamboo chip
Processing to length, 2.0 m are intercepted into dual-end sawing by bamboo cane, standby；
（3）Bamboo chip is dried, and using quick microwave drying oven, the bamboo chip of the similar density that will be sub-elected is dried, and dries temperature
It is 80 DEG C to spend, the initial aqueous rate situation of drying time bamboo chip according to used by, bamboo chip moisture content is reduced to 10%；
（4）Bamboo chip impregnation uses water soluble phenol resin with drip glue, adhesive, and its solid content is 54%, and glue is injected into impregnation
Pond, bamboo chip is positioned on impregnation pond in liftable gabion, and gabion is put into impregnation pond, bamboo chip is completely immersed in adhesive
In, the impregnation time is 2 hours；After impregnation terminates, gabion is risen, bamboo chip is separated with glue, allow unnecessary glue to leach, returned
Flow to impregnation pond；Cementing beam is dripped, bamboo chip is taken out into drying；
（5）Impregnation bamboo chip is dried, and impregnation bamboo chip is spontaneously dried at ambient temperature, the aqueous solvent in removal adhesive,
Drying time is 3~5 days；
（6）Fissure of displacement assembly, the requirement of thickness and cemented bamboo member bends degree according to bamboo chip takes 5 bamboo chips and constitutes a bamboo
Stringer, bamboo chip length is 2.0 m, and width is 18 mm and 20 mm, and thickness is 4 mm, 5 mm and 6 mm, and it is one to take 5 bamboo chips
Group, fissure of displacement spacing is 400 mm between design bamboo chip, and impregnation bamboo chip is staggered with non-impregnation bamboo chip, and arrangement mode is：Three
Non- impregnation bamboo chip, two impregnation bamboo chips, multigroup bamboo chip group is end to end, and fissure of displacement bamboo chip group is bundled into adhesive tape, the fissure of displacement bamboo chip
Group length is any, and width is 20 mm, and thickness is 18 mm, and the end to end composition length of the fissure of displacement bamboo chip group of different length is connected
Pre- group of continuous bamboo stringer；
（7）It is hot-forming, multigroup pre- group of bamboo stringer is placed with the hot press of side-pressing device, hot press is preheated to 135~145
DEG C, pre- group bamboo stringer is put into hot press, plus malleation and side pressure, hot setting, the MPa of positive pressure pressure 1, side pressure pressure 0.5
MPa, 140 DEG C of solidification temperature, 20 minutes time；Hot press is risen after solidification, bamboo stringer is pushed ahead, until needed for extruding
Untill the bamboo stringer of length, taking-up is blocked, placed stand-by；
（8）Bamboo stringer surface is processed, and bamboo stringer upper and lower surface is planished with thicknesser first, then with sander by four sides sanding；
（9）The stress grading of bamboo stringer, the bending modulus of bamboo stringer is detected using three-point bending method, is divided according to its stress
Level, method is that bamboo stringer unit is placed on the fulcrum that span is 1500 mm, for the first time 2.5 kilograms of loading, records amount of deflection,
Second 5 kilograms of loading, records amount of deflection,
Modulus is calculated using three-point bending formula of modulus, formula is as follows：
E is bending modulus in formula（MPa）, p is load（N）, I is span（m）, b is bamboo stringer width（m）, d is thickness（m）,
It is amount of deflection（m）；
（10）Bamboo stringer applying glue, the sectional dimension according to cemented bamboo calculates required stringer quantity and applying glue face, further according to 200
The resin added of g/m2 is carried out with glue, adhesive from model 128 and the epoxy resin curing accelerator of model 593, resin with it is solid
The ratio of agent is 4:1；Nine bamboo stringers bend the making of cemented bamboo, every three as a unit, to applying glue face list
Applying glue solely is carried out, the shape specified is bent to according to member bends requirement, then carry out glue nail connection between layers, obtain bamboo purlin
Bar unit；
（11）The universal bending of bamboo stringer unit, bamboo stringer unit is placed on mould and is bent by its requirement, first three
The pre- group elementary layer of root bamboo stringer composition, its bending direction should be consistent with desired bending direction, then applying glue nail joint between three layers
It is fixed together, it is by the pressing direction of bamboo stringer, i.e., tangential on the relatively small direction of radius of curvature, bent, according to
The sectional dimension of cemented bamboo designs the type and quantity of assembly stringer；
（12）Nail joint, because universal bending bamboo stringer unit is difficult to press, therefore is attached fixation, arrangement mode from air gun nail
For：In line nail, nail rod 30 mm long, the mm of diameter 1, for pre- group elementary layer, stringer two-by-two are carried out according to the spacing of 50 mm
Between nail joint, nail length be 30 mm；For between layers, a nail being followed closely between adjacent layer stringer, in the width direction
Upper 3 nails, the mm of length direction spacing 50 obtains universal bending cemented bamboo laminate, and described nail is the steel nail being made of a steel；
（13）Display and processed with the later stage, the universal bending cemented bamboo laminate that will be fixed solidifies at ambient temperature, to adhesive
It is fully cured, will be surface-treated with portable electric planer and sander smooth, and two ends is carried out flush；
（14）Mark is marked accordingly with packaging, the universal bending cemented bamboo that will be machined, and indicates bending curvature, bamboo purlin
Bar relevant information, MOR and modulus, density and moisture content parameter.
2. the manufacture method of the universal bending cemented bamboo laminate as described in claim 1, it is characterised in that：Described step（12）
In in line nail nail rod 30 mm long, the mm of diameter 1, once, nail spacing is 50 mm, position to take between stringer nail joint two-by-two
Put near bamboo stringer central point.
3. the manufacture method of the universal bending cemented bamboo laminate as described in claim 1, it is characterised in that：Will according to flexibility
Ask, bamboo stringer is made up of 5 bamboo chips of different-thickness, requirement is bent to meet the basic design of component.
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| CN109910126B (en) * | 2015-12-02 | 2021-04-06 | 浙江三箭工贸有限公司 | Bamboo frame integrated forming method |
| CN105500475A (en) * | 2015-12-11 | 2016-04-20 | 国家林业局北京林业机械研究所 | Production method of disposable curved surface three-dimensional shapes of bamboo materials |
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| CN2381486Y (en) * | 1999-08-20 | 2000-06-07 | 陈露 | Anti-stripping plywood |
| JP2002254406A (en) * | 2001-03-01 | 2002-09-11 | Hashimoto Denki Co Ltd | End joint veneer and its manufacturing method |
| JP2006021515A (en) * | 2004-06-11 | 2006-01-26 | Naomi Inada | Working method of wood chip and sliced single panel by freezing, and manufacturing method of wooden container |
| CN1278827C (en) * | 2004-09-17 | 2006-10-11 | 中国林业科学研究院木材工业研究所 | Grading production method of bamboo laminated timber and its use |
| CN1296186C (en) * | 2005-07-01 | 2007-01-24 | 南京林业大学 | Method of treating bamboo floor using plasma |
| CN201186458Y (en) * | 2007-06-26 | 2009-01-28 | 肖勇 | Integrated plate with pin as strengthening rib at plate seam joint |
| CN102837338B (en) * | 2012-09-03 | 2014-12-03 | 国际竹藤中心 | Manufacturing method for continuously gluing bamboo plywood and bamboo laminate |
| CN103770167A (en) * | 2014-01-20 | 2014-05-07 | 仁化县奥达胶合板有限公司 | Manufacturing technique of bamboo bundle plywood |
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