CN103722602A - Method for manufacturing novel energy-saving environment-friendly bamboo veneer coiled material tripod pipe rack component - Google Patents
Method for manufacturing novel energy-saving environment-friendly bamboo veneer coiled material tripod pipe rack component Download PDFInfo
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Abstract
The invention discloses a method for manufacturing a novel energy-saving environment-friendly bamboo veneer coiled material tripod pipe rack component. The method comprises the following steps that firstly, moso bamboo is selected, boiled and flattened, and then planing is conducted on the flattened bamboo; secondly, the bamboo is dried, pre-dried, glued and cured; thirdly, bamboo canes are bent and formed, and the bent bamboo canes are shaped after being formed; fourthly, the bamboo canes are assembled, hot pressed and rolled; finally, shaping and assembly are conducted. By the adoption of the technical scheme, the stability of a tripod can be better, meanwhile, the weight of the tripod can be reduced, and the overall strength and hardness of the tripod are improved; the connection between tripod pipe fittings enables the tripod to be firmer, so that a guarantee is provided for safety; products and the manufacturing method are economical and practical, economic benefits and social benefits are remarkable, and therefore popularization and application are facilitated.
Description
Technical field
The present invention relates to the production technology research field of tripod pipe support parts, be specifically related to a kind of manufacture method of novel energy-saving environment-friendly bamboo skin coiled material tripod pipe support parts.
Background technology
Tripod is a kind of with frame head and three supporting legs, is used for settling the support of instrument.Along with socioeconomic fast development, improving constantly of people's living standard, especially the continuous progress of science and technology, digital camera and various instrument are more and more applied in the middle of our life, these cameras or instrument all can need unavoidably a support to be used as aid in utilization process, and needed being fixed on of camera or instrument stabilizer height and direction are carried out to operation work.Tripod has utilized the principle of triangle stability, can be very stable, and simple, easily by camera or instrument and other object is fixed on needed height and direction is carried out operation work.
The extreme weather causing because of greenhouse effects these years suddenly increases, earthquake, tsunami, heavy rain, the natural calamities such as arid occur again and again, and the ecological balance of the earth is done great damage, this has caused the vigilant of people and has paid close attention to, harmonious development that the mankind start to think deeply man and nature.People wish has innovative tripod appearance more, and the parts material of tripod has also experienced the development to the matter of carbon fiber by carbon steel alloy.People, generally focus on the epoch of energy-saving and environmental protection, a kind of tripod technology of novel energy-saving environment-friendly bamboo skin coiled material and market are progressively ripe.
In order to meet firmly, stable, lightweight, the requirement of the aspects such as environmental protection, key will be innovated on the selection of material and method for producing.Traditional tripod mostly is metal material, develop into present carbon fiber material etc., but these materials all utilizes non-renewable resources from previous carbon steel alloy, and high pollution, maximum discharge, easily cause the problems such as environmental pollution.Bamboo, as the reproducible natural resources of one, itself has high rigidity, high tenacity, and features such as resistance to compression, tension and lightweight, and material is easy to obtain are attractive in appearance, light and be beneficial to environmental protection.Bamboo wood, by different process moulding, is applied in modern tripod and can produce huge society and economic benefit.
Summary of the invention
In order to overcome the deficiency of existing technique and material, the invention provides a kind of manufacture method of novel energy-saving environment-friendly bamboo skin coiled material tripod pipe support parts.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions:
A manufacture method for novel energy-saving environment-friendly bamboo skin coiled material tripod pipe support parts, comprises the following steps:
1) select bamboo: rod is wanted straight, circle, and thicker.Bamboo is too small age, and the accumulation of its cell inclusion is still few, and interfibrous micropore is larger, after dry, easily causes distortion, and manufactured goods expand with wet and contract with dry coefficient is large, and geometry deformation is also large, therefore should not select; Bamboo age is excessive after dry, and hardness is excessive, and intensity starts to reduce, also large to Cutting Tool Damage, therefore also should not select in a large number.
2) boiling: bamboo carries out boiling, to remove the bacterium and the insect that colonize in bamboo, prevents the phenomenon of damaging by worms, and can make bamboo start to soften, and bamboo chip is put into 70-80 ℃ of hot water and soaked 2-3h, then carries out hot mastication.
3) flatten: bamboo is flattened, first pressurization flattening-pressurize technique, then carry out (pressurization) flattening-rolling process; Conventionally after poach 2-3h, bamboo chip moisture content can remain on 65-85% left and right, in 180-200 ℃ of hot mastication machine (case), after heating 3-5min, has reached suitable expansion temperature.
4) planing operation: carry out again planing operation, after bamboo chip roll-in, utilize the remaining temperature of bamboo chip itself to carry out immediately planing operation, generally first cut yellow bamboo face, because bamboo strip, datum level when smoother can be used as plane Huang, the yellow bamboo strip that digs again later of plane.
5) dry: drying process is particularly important to guaranteeing the quality of manufactured goods.Only have bamboo chip to reach drying process standard-required, manufactured goods just not easy to crack, be out of shape or come unstuck.After dry, moisture content is advisable with 6.5%～7.5%, and moisture content is lower than 5.5%, and the intensity of bamboo wood can reduce.
6) predry: the bamboo chip after predry, enters bamboo chip dryness finalization machine and be dried.This equipment is by organizing paired up and down heating platen and steel band feed arrangement forms on horizontal plane more.Its employing step-by-step movement charging and Intermittent Contact heat incompatible the dry of bamboo chip that complete that match that pressurize.
7) gluing and solidifying: because the thermal conductivity ratio wood materials of bamboo wood is smaller, therefore its hot pressing time should be slightly longer than wood materials, and hot pressing temperature is identical with wooden plywood, the flatness of the visual bamboo chip of hot pressing pressure and different, and relevant with the operating sequence of press, generally slightly large than wood materials; Cold-pressing gluing is close with wood materials cold-press process, and the pressure that just the former adopts is larger; Will perform in process of production raw material, process conditions and quality control work, answer running check Veneer moisture, gelatin viscosity, glue-spread and glue laminated condition etc.
8) brake forming of bamboo cane: by folded the bamboo cane string surface layer after softening, then tie up bundled with thin wire.Bamboo cane is bundled under high humid tropical condition and puts into mould, is evenly slowly pressurized to after bamboo cane bundle fits tightly with mould and is fixedly clamped together with mould, then together with mould, puts into drying box high temperature drying; In dry run with the timely fastening mould of increase of bamboo cane shrinkage; Keep fitting tightly state, so that bamboo cane bend fixing is good; The precision of mould is also very large on the impact of brake forming quality, should guarantee stack bamboo cane consistency of thickness during pressurization, and stressed uniform balance is avoided whole folded bamboo cane bundle distortion or inclination.
9) sizing of bending bamboo cane: because bending bamboo cane exists elastic stress; Need under the condition that keeps pressure, carry out dryness finalization, fastening mould is put into drying box inner drying together, before reaching predetermined degree of drying, keep impaction state; Dry complete, bamboo cane bundle is taken out together with mould, after bamboo cane bundle is completely cooling, unclamp mould; In addition, also can adopt sharply type of cooling sizing, but follow-up dry a certain amount of resilience that easily produces, the shape after sizing is very inaccurate, can be used for the less demanding occasion of curved shape; After sizing, take out bending bamboo cane bundle, by stacked serial number, to press former order assembly during lamination gummed.
10) assembly: carry out assembly, precompressed is to cause the defects such as folded core, gap in order to prevent slab from producing displacement when hot press fills plate; In order to shorten hot pressing time, should be by slab precompressed, make its primary gluing in aggregates.
11) hot pressing: carry out hot pressing, for preventing bubbling phenomenon, conventionally adopt three sections of step-down techniques in the hot pressing later stage; Hot pressing temperature: while using PF, 140-155 ℃; While using UF, 115-130 ℃, hot pressing time: 0.8min/mm, hot pressing pressure: 4-4.5MPa, slab compression ratio: 12-14.5%.
12) coiled material: select the bamboo skin that 0.2-0.5mm is thick, utilize 5-10 to open (quantity as required) bamboo skin volume and force together, make bamboo skin coiled material.
13) sizing: make moulding with bamboo skin coiled material (according to practice needs, also can adopt the ironed plate of bamboo) according to the shape of tripod parts and specification.
14) assembling: utilize metal or plastic assembly to assemble shaping all parts.
Further, the temperature that the middle mould of described step (8) is put into drying box high temperature is 140-150 ℃, and the predetermined degree of drying that in described step (9), mould must reach at drying box inner drying is that moisture content is less than 10%.
Compared with prior art, the present invention has following beneficial effect:
The tubulose bamboo wood that the present invention uses is hollow stem.Hollow stem not only can make the stability of bar better, also reduces the weight of tripod simultaneously, and bulk strength and the hardness of tripod are improved; For the pipe fitting of tripod, their bridging mode is to utilize working of plastics or metalwork to be connected, and can make like this tripod firmer, for safety provides guarantee; Product of the present invention and manufacture method are economical and practical, and economic benefit and social benefit are remarkable, thereby are conducive to promotion and application.
The principle of the invention:
The present invention is for the pin pipe of tripod parts, Triangulum, axis and top board, wherein: pin pipe and axis are tubular structures, centre is hollow, utilization be hollow stem principle.According to the bending strength theory of the mechanics of materials, the bending strength of open circles section bar is larger than the solid hopkinson bar of same sectional area.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, below with preferred embodiment of the present invention and coordinate accompanying drawing to be described in detail as follows.The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Accompanying drawing explanation
Fig. 1 tripod schematic diagram;
Fig. 2 is details enlarged diagram.
Number in the figure explanation: 1, pin pipe, 2, pin lock, 3, gravity hook, 4, pin pipe regulates button, 5, Triangulum, 6, axis, 7, top board, 8, six rib screws.
The specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
A manufacture method for novel energy-saving environment-friendly bamboo skin coiled material tripod pipe support parts, comprises the following steps:
1) select bamboo: rod is wanted straight, circle, and thicker.Bamboo is too small age, and the accumulation of its cell inclusion is still few, and interfibrous micropore is larger, after dry, easily causes distortion, and manufactured goods expand with wet and contract with dry coefficient is large, and geometry deformation is also large, therefore should not select; Bamboo age is excessive after dry, and hardness is excessive, and intensity starts to reduce, also large to Cutting Tool Damage, therefore also should not select in a large number.
2) boiling: bamboo carries out boiling, to remove the bacterium and the insect that colonize in bamboo, prevents the phenomenon of damaging by worms, and can make bamboo start to soften, and bamboo chip is put into 70-80 ℃ of hot water and soaked 2-3h, then carries out hot mastication.
3) flatten: bamboo is flattened, first pressurization flattening-pressurize technique, then carry out (pressurization) flattening-rolling process; Conventionally after poach 2-3h, bamboo chip moisture content can remain on 65-85% left and right, in 180-200 ℃ of hot mastication machine (case), after heating 3-5min, has reached suitable expansion temperature.
4) planing operation: carry out again planing operation, after bamboo chip roll-in, utilize the remaining temperature of bamboo chip itself to carry out immediately planing operation, generally first cut yellow bamboo face, because bamboo strip, datum level when smoother can be used as plane Huang, the yellow bamboo strip that digs again later of plane.
5) dry: drying process is particularly important to guaranteeing the quality of manufactured goods.Only have bamboo chip to reach drying process standard-required, manufactured goods just not easy to crack, be out of shape or come unstuck.After dry, moisture content is advisable with 6.5%～7.5%, and moisture content is lower than 5.5%, and the intensity of bamboo wood can reduce.
6) predry: the bamboo chip after predry, enters bamboo chip dryness finalization machine and be dried.This equipment is by organizing paired up and down heating platen and steel band feed arrangement forms on horizontal plane more.Its employing step-by-step movement charging and Intermittent Contact heat incompatible the dry of bamboo chip that complete that match that pressurize.
7) gluing and solidifying: because the thermal conductivity ratio wood materials of bamboo wood is smaller, therefore its hot pressing time should be slightly longer than wood materials, and hot pressing temperature is identical with wooden plywood, the flatness of the visual bamboo chip of hot pressing pressure and different, and relevant with the operating sequence of press, generally slightly large than wood materials; Cold-pressing gluing is close with wood materials cold-press process, and the pressure that just the former adopts is larger; Will perform in process of production raw material, process conditions and quality control work, answer running check Veneer moisture, gelatin viscosity, glue-spread and glue laminated condition etc.
8) brake forming of bamboo cane: by folded the bamboo cane string surface layer after softening, then tie up bundled with thin wire.Bamboo cane is bundled under high humid tropical condition and puts into mould, is evenly slowly pressurized to after bamboo cane bundle fits tightly with mould and is fixedly clamped together with mould, then together with mould, puts into drying box high temperature drying; In dry run with the timely fastening mould of increase of bamboo cane shrinkage; Keep fitting tightly state, so that bamboo cane bend fixing is good; The precision of mould is also very large on the impact of brake forming quality, should guarantee stack bamboo cane consistency of thickness during pressurization, and stressed uniform balance is avoided whole folded bamboo cane bundle distortion or inclination.
9) sizing of bending bamboo cane: because bending bamboo cane exists elastic stress; Need under the condition that keeps pressure, carry out dryness finalization, fastening mould is put into drying box inner drying together, before reaching predetermined degree of drying, keep impaction state; Dry complete, bamboo cane bundle is taken out together with mould, after bamboo cane bundle is completely cooling, unclamp mould; In addition, also can adopt sharply type of cooling sizing, but follow-up dry a certain amount of resilience that easily produces, the shape after sizing is very inaccurate, can be used for the less demanding occasion of curved shape; After sizing, take out bending bamboo cane bundle, by stacked serial number, to press former order assembly during lamination gummed.
10) assembly: carry out assembly, precompressed is to cause the defects such as folded core, gap in order to prevent slab from producing displacement when hot press fills plate; In order to shorten hot pressing time, should be by slab precompressed, make its primary gluing in aggregates.
11) hot pressing: carry out hot pressing, for preventing bubbling phenomenon, conventionally adopt three sections of step-down techniques in the hot pressing later stage; Hot pressing temperature: while using PF, 140-155 ℃; While using UF, 115-130 ℃, hot pressing time: 0.8min/mm, hot pressing pressure: 4-4.5MPa, slab compression ratio: 12-14.5%.
12) coiled material: select the bamboo skin that 0.2-0.5mm is thick, utilize 5-10 to open (quantity as required) bamboo skin volume and force together, make bamboo skin coiled material.
13) sizing: make moulding with bamboo skin coiled material (according to practice needs, also can adopt the ironed plate of bamboo) according to the shape of tripod parts and specification.
14) assembling: utilize metal or plastic assembly to assemble shaping all parts.
Further, the temperature that the middle mould of described step (8) is put into drying box high temperature is 140-150 ℃, and the predetermined degree of drying that in described step (9), mould must reach at drying box inner drying is that moisture content is less than 10%.
Embodiment:
According to the form of pin pipe 1 and axis 6 and specification, utilize bamboo skin coiled material to make moulding, according to Triangulum 5, the form of top board 7 and specification utilize bamboo wood to make moulding, the caliber of pin pipe 1 successively decreases and successively, connected mode between pin pipe 1 is to utilize pin lock 2 to connect, and it is to make moulding by plastic material (available metal material as required) that pin lock 2 and pin pipe regulate button 4; 3 of gravity hooks are take metal as material, and are connected with axis 6.Pin pipe 1 regulates being connected by metal assembly between button 4 and Triangulum 5 to complete with pin pipe, and axis 6 is connected by convertible screw with top board 7, and six rib screws 8 are the tightness with pin pipe 1 for adjusting triangle seat 5; When needs are packed up tripod, pin pipe 1 one can be saved upwards and packs up, a joint is overlapping a joint, finally, by folded inverted 1 pin pipe reflexed, can reduce the length of packing up rear tripod.
The structure of bamboo wood and chemical composition, for the procreation of growing of entomogenous fungi provides sufficient material conditions, but the breeding of entomogenous fungi also needs certain condition, as temperature, moisture, acid-base value etc.; The optimum growth temperature of moth is 18～26 ℃; When environment temperature is down to 10 ℃ of left and right or is raised to 32～34 ℃, the mobility of moth is large; Bamboo wood goes mouldy, mycocriny and the guard technology of damaging by worms, and will cause artificially exactly and make them can not carry out the environment of normal physiological activity, and control method has: physical method, chemical method, hot and cold bath method, pressurization and the bamboo injection of living.
Physical method comprises dry, and electromagenetic wave radiation and boiling, be specially:
Dry: bamboo wood to be dried or dried, through baking process, can, because of heat-killed entomogenous fungi, can be difficult to existence because moisture minimizing causes entomogenous fungi again on the other hand on the one hand.
Electromagenetic wave radiation: (wavelength 30～199 μ m), (wavelength 5～9 μ m) irradiate microwave with far infrared, can cause the vibration of bamboo wood inside, the RESONANCE ABSORPTION of rotation, this energy absorption efficiency is very high, can be within the short time (several ten points), make bamboo wood appearance and the inner the highest tolerable temperature that is simultaneously warming up to entomogenous fungi above and lethal; In addition, (wavelength 5～399 μ m), x mono-ray, y mono-ray etc. all can destroy the bioactivator in hyphal body, makes entomogenous fungi lethal for ultraviolet light.
Boiling: hot digestion, remove portion solable matter, kills entomogenous fungi.
Chemical method: Pesticidal and sterilizing medicament, mainly contains organic compound and inorganic matter two classes.
Hot and cold bath method: bamboo wood is placed in hot medicament and boils certain hour, take out and immerse in cold medicament immediately, can increase like this uptake and the penetration depth of medicament.
Pressurization: bamboo wood is put into special pressurized canister and seal, send into medicament pressurization, allow medicament enter the inside of bamboo wood under pressure.
Bamboo injection alive: the appropriate time before felling, at bamboo bar base portion injection killing fungus medicament, then fell.
The effect of the disposable Pesticidal and sterilizing of physical method is mostly fairly good, but can not prevent again to infect entomogenous fungi in production, storing and use procedure afterwards; Therefore, in production practices, mostly adopt the method for physics and chemistry combination.
In bamboo wood use procedure, also there will be cracking phenomena, we carry out pressurization and high-frequency electric field method to the former bamboo before making bamboo skin coiled material and make bamboo fibre form a conglomerate for this reason, so cracking is controlled.
Pressurization: bamboo wood is subject to uniform pressure, can eliminate internal stress, thereby overcomes cracking defect.Bamboo wood is put into high-pressure bottle, and under 2～3 atmospheric pressure, temperature is 85～95 ℃ and processes 5～6h, then slowly decompression, and taking-up is dried, and also can add medicament to carry out moth-proof and mould-proof processing in high-pressure bottle simultaneously.
High-frequency electric field method: the bamboo of fresh cut is placed between parallel-plate electrode, applying high frequency electric field, at this moment bamboo wood is subject to high-frequency electric field effect and generates heat; Because eddy-current heating produces heat, make the cytoplasm of bamboo wood and vacuole be subject to heat damage, cell membrane tightens up and has compressed space between cells simultaneously, is that it becomes very fine and close; Again due to the variation of its component content thing, so all Cheng Liao conglomerates of fiber in bamboo body; On this basis, bamboo wood is coated to Polyurethane lacquer type organic coating again.
The tripod pipe fitting parts that utilize in this embodiment bamboo skin coiled material to make have not only alleviated the weight of tripod, and bamboo skin coiled material pipe fitting parts can make tripod firmer, environmental protection.
The parameters index of bamboo skin coiled material is all to carry out strict control:
| Density | 1.68g/cm 3 |
| Hardness | 180MPA |
| MOR | 200-225MPA |
| Rift grain tension | 220-240MPA |
| Tensile strength | 210-220MPA |
| Bending resistance is to degree | 150-160MPA |
| Impact strength | 123.7kg/cm 3 |
| Water absorption rate thickness swelling | 0.631％ |
| Aridity coefficient | 0.225％ |
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (2)
1. a manufacture method for novel energy-saving environment-friendly bamboo skin coiled material tripod pipe support parts, comprises the following steps:
1) select bamboo: rod is wanted straight, circle, and thicker.Bamboo is too small age, and the accumulation of its cell inclusion is still few, and interfibrous micropore is larger, after dry, easily causes distortion, and manufactured goods expand with wet and contract with dry coefficient is large, and geometry deformation is also large, therefore should not select; Bamboo age is excessive after dry, and hardness is excessive, and intensity starts to reduce, also large to Cutting Tool Damage, therefore also should not select in a large number.
2) boiling: bamboo carries out boiling, to remove the bacterium and the insect that colonize in bamboo, prevents the phenomenon of damaging by worms, and can make bamboo start to soften, and bamboo chip is put into 70-80 ℃ of hot water and soaked 2-3h, then carries out hot mastication.
3) flatten: bamboo is flattened, first pressurization flattening-pressurize technique, then carry out (pressurization) flattening-rolling process; Conventionally after poach 2-3h, bamboo chip moisture content can remain on 65-85% left and right, in 180-200 ℃ of hot mastication machine (case), after heating 3-5min, has reached suitable expansion temperature.
4) planing operation: carry out again planing operation, after bamboo chip roll-in, utilize the remaining temperature of bamboo chip itself to carry out immediately planing operation, generally first cut yellow bamboo face, because bamboo strip, datum level when smoother can be used as plane Huang, the yellow bamboo strip that digs again later of plane.
5) dry: drying process is particularly important to guaranteeing the quality of manufactured goods.Only have bamboo chip to reach drying process standard-required, manufactured goods just not easy to crack, be out of shape or come unstuck.After dry, moisture content is advisable with 6.5%～7.5%, and moisture content is lower than 5.5%, and the intensity of bamboo wood can reduce.
6) predry: the bamboo chip after predry, enters bamboo chip dryness finalization machine and be dried.This equipment is by organizing paired up and down heating platen and steel band feed arrangement forms on horizontal plane more.Its employing step-by-step movement charging and Intermittent Contact heat incompatible the dry of bamboo chip that complete that match that pressurize.
7) gluing and solidifying: because the thermal conductivity ratio wood materials of bamboo wood is smaller, therefore its hot pressing time should be slightly longer than wood materials, and hot pressing temperature is identical with wooden plywood, the flatness of the visual bamboo chip of hot pressing pressure and different, and relevant with the operating sequence of press, generally slightly large than wood materials; Cold-pressing gluing is close with wood materials cold-press process, and the pressure that just the former adopts is larger; Will perform in process of production raw material, process conditions and quality control work, answer running check Veneer moisture, gelatin viscosity, glue-spread and glue laminated condition etc.
8) brake forming of bamboo cane: by folded the bamboo cane string surface layer after softening, then tie up bundled with thin wire.Bamboo cane is bundled under high humid tropical condition and puts into mould, is evenly slowly pressurized to after bamboo cane bundle fits tightly with mould and is fixedly clamped together with mould, then together with mould, puts into drying box high temperature drying; In dry run with the timely fastening mould of increase of bamboo cane shrinkage; Keep fitting tightly state, so that bamboo cane bend fixing is good; The precision of mould is also very large on the impact of brake forming quality, should guarantee stack bamboo cane consistency of thickness during pressurization, and stressed uniform balance is avoided whole folded bamboo cane bundle distortion or inclination.
9) sizing of bending bamboo cane: because bending bamboo cane exists elastic stress; Need under the condition that keeps pressure, carry out dryness finalization, fastening mould is put into drying box inner drying together, before reaching predetermined degree of drying, keep impaction state; Dry complete, bamboo cane bundle is taken out together with mould, after bamboo cane bundle is completely cooling, unclamp mould; In addition, also can adopt sharply type of cooling sizing, but follow-up dry a certain amount of resilience that easily produces, the shape after sizing is very inaccurate, can be used for the less demanding occasion of curved shape; After sizing, take out bending bamboo cane bundle, by stacked serial number, to press former order assembly during lamination gummed.
10) assembly: carry out assembly, precompressed is to cause the defects such as folded core, gap in order to prevent slab from producing displacement when hot press fills plate; In order to shorten hot pressing time, should be by slab precompressed, make its primary gluing in aggregates.
11) hot pressing: carry out hot pressing, for preventing bubbling phenomenon, conventionally adopt three sections of step-down techniques in the hot pressing later stage; Hot pressing temperature: while using PF, 140-155 ℃; While using UF, 115-130 ℃, hot pressing time: 0.8min/mm, hot pressing pressure: 4-4.5MPa, slab compression ratio: 12-14.5%.
12) coiled material: select the bamboo skin that 0.2-0.5mm is thick, utilize 5-10 to open (quantity as required) bamboo skin volume and force together, make bamboo skin coiled material.
13) sizing: make moulding with bamboo skin coiled material (according to practice needs, also can adopt the ironed plate of bamboo) according to the shape of tripod parts and specification.
14) assembling: utilize metal or plastic assembly to assemble shaping all parts.
2. the manufacture method of novel energy-saving environment-friendly bamboo skin coiled material tripod pipe support parts according to claim 1, it is characterized in that: the temperature that the middle mould of described step (8) is put into drying box high temperature is 140-150, and the predetermined degree of drying that in described step (9), mould must reach at drying box inner drying is that moisture content is less than 10%.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104842426A (en) * | 2015-04-08 | 2015-08-19 | 庄金山 | Method for manufacturing bamboo fiber leather tube and mold adopted in method |
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