CN103722603B - A kind of timber manufacturing process - Google Patents

A kind of timber manufacturing process Download PDF

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CN103722603B
CN103722603B CN201410012717.8A CN201410012717A CN103722603B CN 103722603 B CN103722603 B CN 103722603B CN 201410012717 A CN201410012717 A CN 201410012717A CN 103722603 B CN103722603 B CN 103722603B
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timber
plain
roller
paint
substrate
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CN201410012717.8A
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CN103722603A (en
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朱建勇
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朱建勇
昆明三德木门制造有限公司
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Abstract

The invention discloses a kind of timber manufacturing process.Comprise saw to cut out substrate and timber core, hot-forming, stress equilibrium, engrave Milling Machining, carry out surely thick sanding with line, the face way of contact to plain door surface, prime and the step such as finish paint dry and meticulous sanding, polishing.Timber prepared by the inventive method eliminates " the bar wire sand sheeter lines " that remain on timber face coat, does not have " vision depression ", and the brightness of product paint film is high, without slivering; The more environmental protection of the inventive method production process, without emission, production process adopts ultraviolet curing process, decreases drying time, this method have employed the edge sealing process on reserved technique rank on PVC edge bonding belt to plain door periphery, improves the technological level of plain door periphery arris paint film formation.

Description

A kind of timber manufacturing process

Technical field

The present invention relates to highly dense plate HDF, MDF MDF, the particieboard timber that is substrate and door pocket, mute mouth, artistic mute mouth forming processing technology field, specifically a kind of timber processing and forming and top finishing system of processing technique.

Background technology

The coating class being substrate with highly dense plate HDF, MDF MDF, particieboard paint timber now conventional following several method completes the processing and forming of product timber:

1, adopt artificial, electrostatic, airless spraying, the modes such as machine showering are taken up in order of priority Two-component polyurethane primer, finish paint (PU priming paint, finish paint) and are covered with paint, lacquer, colour wash, etc. at the timber being substrate with HDF, MDF or particieboard on the surface or on substrate wood skin.Period, adopt normal temperature surface drying, 40-60 DEG C heat drying method to the PU priming paint covered with paint, lacquer, colour wash, etc. on timber surface, top-coat paint film be taken up in order of priority execute do solid work dry.All times is between 72-96 hour.The finished product finish paint paint film " minute surface, plump " that above-mentioned technique is covered with paint, lacquer, colour wash, etc. is effective, brightness also can reach more than 92 °.But Problems existing is mainly manifested in the following aspects again:

(1) in slow, the industrialization process of rate of drying product surface quality stability to control difficulty higher.In large-scale production process, lack the synchronizing capacity of planting other manufacturing procedures such as plate, hot pressing, edge sealing, round with product timber;

(2) health risk, contaminated environment, particularly hand spray mode wherein;

(3) poor performance such as product surface coating corrosion-resistant, color inhibition, anti-ultraviolet radiation line, wear-resisting anti scuffing, the PU particularly wherein based on pure white paints paint film and generally also there is easy loss of gloss, efflorescence, yellowing problems at present, affects product service life;

(4) do not possess the heterochromatic layer scale in surrounding and cover with paint, lacquer, colour wash, etc. ability;

(5) cost is high, at timber on the surface at the bottom of two-sided covering with paint PU, the every square meter of the current material cost of finish paint is roughly equal to 28.00--32.00 yuan.

2, first book size be melamine that on HDF, MDF of 2440 × 1220mm or particieboard target plate face, white or other wood grain look are pasted in Double-side hot moulding, urea-formaldehyde glue impregnated paper makes so-called dual platen, impregnated paper grammes per square metre 100g/m 2to 120g/m 2, and then by following operation, postorder processing is carried out to dual platen:

(1) one week balance period;

(2) according to product design figure, cultivation plate, round are carried out to dual platen;

(3) hot-forming, adopt the hot pressing mode of temperature control between 190-200 DEG C be placed in timber upper and lower faces layer HDF or MDF vegetarian noodles plate or particieboard hot pressing, be glued in the stile of timber core real-wood integrated material limit;

(4) adopt artificial, electrostatic, airless spraying, the modes such as machine showering are covered with paint, lacquer, colour wash, etc. two component polyurethane finish paint (PU finish paint) on the surface of dual platen timber one side.Without the dual platen another side covered with paint, lacquer, colour wash, etc. directly as the finishing material of product parts, the normally the inside of product timber, is called for short: the timber back side;

(5) successively in normal temperature surface drying room, 35-40 DEG C heat drying room to the PU top-coat paint film of covering with paint, lacquer, colour wash, etc. on timber surface execute do solid work dry.All times is between 48-60 hour.

(6) artificial scraping carried out to timber surrounding arris, be close to, mend greasy, repair look, clean.

The advantage of above-mentioned technique is reduction of the covering with paint cost of timber, but the following defective workmanship existed is clearly equally:

(1) dual platen hot pressing is long for equilibration period, and drying varniss speed is slow;

(2) health risk, contaminated environment, particularly hand spray mode wherein;

Before covering with paint, the melamine that timber overlays on the surface, urea-formaldehyde glue impregnated paper need carry out Manual machine sand corase grind, artificial fine grinding and the fine grinding of Manual machine sand, and Dust Capacity is large, it is consuming time to take a lot of work;

(3) poor performance such as product surface coating corrosion-resistant, color inhibition, anti-ultraviolet radiation line, wear-resisting anti scuffing, the PU particularly wherein based on pure white paints paint film and generally also there is easy loss of gloss, efflorescence, yellowing problems at present, affects product service life;

(4) fine work ability is weak, the black tree lace of finished product timber back side ubiquity edge sealing, artificial scraping, be close to, mend greasy, repair the quality problems such as look vestige and timber surrounding edge sealing arris " sharp cutting edge of a knife or a sword " needle-holding hand;

(5) cost is relatively higher, and the current product cost of the two-sided above-mentioned facing of timber is between 19.00-24.00 yuan/square meter.

3, hot pressing sticker melamine, urea-formaldehyde glue immersion-type facing paper (facing paper grammes per square metre 80g/m 2to 120g/m 2), or adopt the adhesive hot pressing such as urea-formaldehyde glue, paste wooden skin, then on wooden skin, spray the nitro class colored varnish (NC).Its defect existed is:

(1) contaminated environment, the adhesive such as urea-formaldehyde glue outwardly discharge free formaldehyde; Containing volatile materials and other solid pollutant such as VOC, TDI, toluene and dimethylbenzene, heavy metal, peculiar smell, dust in NC paint; Form the pollution sources in order to natural environment, be detrimental to health; Increase the weight of water purification resource load;

(2) pressing laminate moulding, thermal balance technique relative complex;

(3) drying varniss speed is slow.

4, UV paints electrostatic spraying/leaching coating process.UV lamp drying mode is adopted to carry out drying to the UV priming paint of spraying/showering on timber HDF, MDF or particieboard real estate, finish paint.This method drastically reduce the area the drying varniss time on timber surface, but there is surface layer equally to cover with paint, lacquer, colour wash, etc. relatively high, the finish paint of cost and easily produce the problems such as paint film pin hole, dust granules, little orange peel, slight depression, sagging, technique controlling difficulty is relatively large; In finished product timber edge and the covering with paint ability that also can not form heterochromatic layer on the surface.

5, electromagnetism paint Coating technology.Electromagnetism paint Coating technology mainly adopts roller coat, Ga lamp wink-dry mode to complete direct covering with paint at timber HDF, MDF or wood shavings laminin plate (wooden skin) surface.At energy-saving and emission-reduction, Agile manufactruing, reduction production cost, improve in product surface layer paint film scratch resistance, anti-yellowing property, this Coating technology effect is comparatively remarkable, but, when requiring timber finished surface paint film brightness value to reach more than 90 degree, the following problem that this technical process exists is obvious, limits the sustainable development capacity improving product specification further:

(1) " minute surface, plump " effect is not enough, the paint film (coating) on timber HDF, MDF or wood shavings laminin plate (wooden skin) surface be coated with continuously on ornamental thread successively shaping by multiple roller machine plain-barreled roll rotary course.Comparatively serious " slivering " defect is there is in order to evade finished surface paint film, it can only be very limited for just determining by the process that plain-barreled roll mode realizes timber face coat the coating weight (topcoat thickness) covered with paint, lacquer, colour wash, etc. on timber surface, makes finished product paint film (coating) be not enough to reach the effect of " minute surface, plump ";

(2) " bar wire sand sheeter lines ", at the initial period of Coating technology process, timber substrate completes surely thick sanding in linear contact lay mode between the abrasive band that linear velocity reaches 30 meter per seconds, result, often easily manifesting, the bar wire sand sheeter lines mark be exposed on finished product coating surface remains in timber (to be called for short: " bar wire sand sheeter lines mark ") on the surface, and be difficult to eliminate in this bar wire sand sheeter lines mark is coated with on ornamental thread continuously at electromagnetism paint follow-up covering with paint process, hide, and the paint film coating brightness value on timber surface requires higher, it is more obvious that the sand remained on timber surface cuts that trajectory exposes on finished product paint film face,

(3) " vision depression ", electromagnetism paint is coated with on ornamental thread continuously, and front end is that to realize water base paint film quick-drying for the far infrared produced by far-infrared lamp.Water based paint cost is lower, usually it is used as the subbing on timber real estate.But there are following two technological problemses simultaneously.One is that hardness is low, easily causes finished product lacquer painting " vision depression " defect (also known as " lacquer painting tangerine peel ") more or less.At the electromagnetism paint that HDF, MDF or wood shavings laminin plate (wooden skin) directly cover with paint, lacquer, colour wash, etc. on the surface, this " vision depression " on finished surface is often more obvious because substrate micro-shape hole is more.Two is easily cause slight pollution to ground surface environment.Main cause is that electromagnetism paint is coated with ornamental thread continuously because of a variety of causes and often within a working day, (class Three/working day) need shuts down 8 hours; each shutdown all must clean the water based paint on roller with clear water or middle water; in order to avoid occur roll coater shut down after water based paint spontaneous curing, situation about sticking on roller machine plain-barreled roll, to ensure that being coated with ornamental thread next day normally runs.Clean sewage is discharged into factory's trench through sedimentation basin, causes ground surface environment slight pollution, if discharge through sewage treatment facility again and can increase operating cost by a relatively large margin;

(4) " slivering ", the surface layer paint film of roller coat on timber surface experienced by and just will proceed to Ga lamp system after nature flow time on continuous painting ornamental thread about 20 seconds, and wink-dry, solidification under its electromagnetic wave condition produced.The method is difficult to evade " slivering " and is apparent in problem on finished product lacquer painting, eliminate in plain-barreled roll rotary course coating roll timber on the surface time the paint film roller mark that formed, as the auxiliary agent compositions such as levelling in coating have been added, paint film light effect can be affected again in varying degrees;

(5) high brightness is inadequate, and wood working industry is decided to be high-brightness light product the finished product that the brightness of surface layer paint film reaches more than 90 ° usually.The mode that electromagnetism paint Coating technology mainly adopts plain-barreled roll roller coating, realize coating drying by the solidification of photoelectricity magnetic wave completes timber top finishing.Analyze from principle, thisly make the technique just realizing bone dry in coating 3 to 5 second of plain-barreled roll on timber surface instantaneously, determining finished product lacquer painting limit of brightness value can only within 80 °, as the auxiliary agent compositions such as blast in coating have been added, just the paint film on timber surface can not be made to obtain wink-dry by above-mentioned photoelectromagnetic wave interference, simultaneously also can degree different affect paint film planarization effects.

(6) aftershaping edge treated technological level needs to be optimized.Although electromagnetism paint Coating technology principle can complete on the surface the heterochromatic layer covering with paint of surrounding arris at timber HDF, MDF vegetarian noodles substrate (wooden skin).But in volume production process, need by increase controling parameters and further perfect, raising Coating technology level just can make not immerse mutually between above-mentioned heterochromatic layer line of demarcation (phase boundary) joint portion, disturb, significantly improve the fine work ability of timber arris technique.Otherwise, surrounding has sealed the PVC edge bonding belt not homochromy with timber face coat and after covering with paint, lacquer, colour wash, etc., finished product surrounding arris easily produces " sharp cutting edge of a knife or a sword " problem of needle-holding hand, the joint portion between timber face coat and the heterochromatic layer phase boundary of periphery edge bonding belt also can produce seepage defect.

Summary of the invention

The present invention discloses a kind of timber manufacturing process according to the deficiencies in the prior art.The problem to be solved in the present invention is to provide a kind of more environmental protection, the timber processing and forming of converted products better quality and top finishing system of processing technique.

The present invention is achieved through the following technical solutions:

Timber manufacturing process, comprises the following steps:

(1) with the substrate that vegetarian noodles HDF, MDF or particieboard are upper and lower two surface layers of timber; Substrate thickness 5mm ~ 12mm, density 780 ~ 860Kg/m 3, substrate breadth 2440mm × 1220mm;

(2) press timber design size saw and cut out substrate and timber core real-wood integrated material limit stile;

(3) hot-forming: control temperature 190 ~ 200 DEG C, adopt hot pressing mode the substrate hot pressing of timber upper and lower faces layer, be glued in the stile of timber core real-wood integrated material limit;

(4) stress equilibrium: in its natural state plain door hot-forming for step (3) is deposited a week;

(5) carry out saw sanction, surrounding PVC edge bonding belt edge sealing by timber design size to shaping plain door, PVC edge sealing reserves technique rank;

(6) with CAD/CAM system, Milling Machining is engraved to plain door surface;

(7) on belt sander, successively with line, the face way of contact, surely thick sanding is carried out to plain door surface, revise plain thickness gate error within the scope of production engineering specifications, reject residue, the pollutant on timber surface simultaneously;

(8) on continous way streamline, with plain-barreled roll, radium-shine roller connection roller mode, PUA-X subbing is directly covered with paint, lacquer, colour wash, etc. at plain door on the surface respectively layer by layer, and realize wink-dry respectively under the Electromagnetic Interference condition of specific light source Ga or the generation of UV lamp;

(9) key belt sander is adopted, with line, the face way of contact to the meticulous sanding of PUA-X subbing be attached on plain door surface, polishing;

(10) roller mode is joined the PUA-X subbing of investment precoat roller coat timber substrate after step (9) polishing on the surface with plain-barreled roll, radium-shine roller;

(11) the PUA-X investment precoat be attached on timber surface is made to realize moment bone dry under the Electromagnetic Interference condition produced through levelling passage levelling and at specific light source Ga or UV lamp;

(12) examination and test of products, packaging, warehouse-in.

Further described step (7) is that first surely thick sanding is carried out by the first sand roller, the second sand roller successively in linear contact lay mode in timber surface, and the linear velocity of the first sand roller and the second sand roller is 30 meter per seconds; Then by plane formula sand pillow, sanding operation is again carried out to timber surface with the face way of contact, the bar wire sand sheeter lines mark remained on timber surface is eliminated completely.

Above-mentioned PUA-X subbing and PUA-X investment precoat are pure white, coloured or clear dope, and its solids content is greater than 90%.

CAD/CAM system of the present invention is engraved Milling Machining to plain door surface and is comprised groove, round, curved surface, abnormity processing.

Above-mentioned steps (11) is 4.50 ~ 7.00m/min through the walking line speed of levelling passage levelling, and temperature is 50 DEG C ~ 75 DEG C.

Above-mentioned key belt sander is a kind of electronic organ keyed sander of precision.Wherein, the each independent key unit of segmented all can carry out meticulous sanding, polishing by the subbing voluntarily on independent timber (workpiece) surface larger to difference in thickness of adjusting work pressure parameter in running, guarantee this process comprise surrounding corner interior surperficial subbing can not because being worn by sand, sand broken and produce holiday, the various defect such as to reveal the exact details.

The inventive method has following helpfulness:

1, eliminate " the bar wire sand sheeter lines " that remain on timber face coat.When completing the fixed thick sanding of timber substrate in linear contact lay mode between the cloth matter abrasive band that in this method, sander first sand roller and the second sand roller linear velocity reach 30 meter per seconds, follow-up plane formula sand pillow carries out sanding operation again with the face way of contact to timber substrate surface, and the bar wire sand sheeter lines mark remained on timber surface is eliminated completely.When paint film coating high luminance values on timber surface reaches 95 degree, also can not manifest shaping wire sand sheeter lines, significantly improve again simultaneously timber substrate surface coating or paint film brightness and " minute surface " level;

2, " vision depression " disappears.This method to be coated with continuously the various coatings that ornamental thread adopts be all solids content up to more than 90% PUA-X coating.These PUA-X coatings be attached on timber HDF, MDF, wooden surface substrate surface have firm, stable, lasting sagging resistance.

Fiber porosity in HDF, MDF, veneer surface accounts for the 45-60% in whole plate face, attachment PU in its surface, the coating such as water base use the above tend generation half a year coating phenomenon be absorbed among these holes more or less under normal temperature state, product lacquer painting is made to produce " vision depression ", and coating brightness value is higher, service time is longer, the degree of product lacquer painting " vision depression " is more serious.And after adopting this method PUA-X Coating technology, even if timber HDF or MDF, particieboard, the wooden scytoblastema plate coating that brightness reaches more than 92 ° on the surface employ to examine for more than 3 years and also not easily find " vision depression " under normal temperature state.

3, the brightness of product paint film high, without slivering, " plump ".This method all have employed plain-barreled roll, radium-shine roller connection roller mode to the various subbing of pure white/coloured, transparent PUA-X, high brightness or dull surface coating on continous way streamline, the levelling operation being provided with specified temp, walking line speed was added again before enter Ga or UV lamp origin system at timber, extend the natural flow time of investment precoat, along with the continuity of natural levelling process, the investment precoat slivering remained on timber substrate can be eliminated completely.One aspect of the present invention plump level that improve timber substrate surface coating by a relatively large margin, add film thickness, on the other hand again because the reason such as increase of the auxiliary agent such as relative minimizing, the blast composition of leveling auxiliary agent amount in PUA-X investment precoat improves the brightness value of timber substrate surface coating, be that brightness value can reach 90-96 °.

4, improve Environmental Protection Level.This method PUA-X Coating technology system is without PU, water base, nitro paint (these solids coatings only have about 70%, and all the other are the material needing in technical process to volatilize).In covering with paint process, white/the utilization rate of coloured, transparent PUA-X bottom/investment precoat on streamline that solids content reaches more than 90% reaches 100% (the external discharge capacity wherein, in the volatile harmful material content such as VOC, benzene, toluene and dimethylbenzene, heavy metal, Form aldehyde release limitation and production process thereof is well below GB18580,18584-2001 standard allowable value).

Can not be there is spontaneous curing phenomenon in PUA-X coating again in streamline hours window down time 72, thus also need not clean with water purification/middle water twin rollers, thus make volatile matter such as peculiar smell, gas, micro-dust etc. and the pollutant discharge amounts such as sewage in whole technical process drop to zero;

5, this method further increases Agile manufactruing ability and the finished product fine work rate of timber.

(1) directly the PUA-X bottom of covering with paint on timber vegetarian noodles HDF, MDF, particieboard, wooden scytoblastema plate surface, investment precoat are all complete wink-dry under the Electromagnetic Interference condition of Ga or UV lamp specific light source generation.Eliminating at book size is that on HDF, the MDF of 2440X1220mm, particieboard plate face, Double-side hot moulding pastes white (pale yellow) melamine, urea-formaldehyde glue impregnated paper as the covering with paint operation of bottom and the operation of required one week equilibration time thereof.This method, without PU, water base, nitro paint, after the use PUA-X bottom/investment precoat of 100%, saves PU, the 48-72 hour natural drying cycle that water base, nitro paint is necessary;

(2) before covering with paint, lacquer, colour wash, etc., this method have employed the special edge sealing process on reserved technique rank on PVC edge bonding belt to plain door periphery, significantly improve the technological level of plain door periphery arris paint film formation, even if under the condition that the edge bonding belt of the finished product timber surface color of paint film and periphery is inconsistent, because there being edge bonding belt to reserve technique rank, the cleaning that edge juncture between the two heterochromatic phase boundary also automatically can process in streamline covering with paint process is pure white, do not immerse mutually, smoothly flawless (even can touch with face), there is no the defects such as the black tree lace of edge sealing, eliminate artificial scraping, be close to, mend greasy, repair look operation.The timber finished product fine work rate of disposal molding is significantly improved.

6, cost leadership advantage has been highlighted further.

The brightness of directly covering with paint, lacquer, colour wash, etc. on the surface at timber vegetarian noodles HDF, MDF, particieboard, wooden scytoblastema plate PUA-X coating (paint film) material cost up to 96 degree can paint 65% of the technique coatings such as spraying, UV showering less than PU, and the amount of labour used decreases about 70% on year-on-year basis.

7, this method coating engineering amplifies prioritization scheme, can realize the elements integration between servo intaglio plate three look transfer-print technology and the continuous roll coating system of streamline, timber vegetarian noodles MDF/surface of chipboard completes high light wood grain coating instantaneously and covers with paint, lacquer, colour wash, etc.

Accompanying drawing explanation

Fig. 1 is the belt sander sanding schematic diagram that the present invention adopts;

Fig. 2 is reserved process schematic representation on PVC edge bonding belt of the present invention.

In figure, 1 is the first sand roller, and 2 is second sand rollers, and 3 is plane formula sand pillows, and 4 is timbers, and F is moving direction, and 4a is wooden limit stile, and 4b is surface layer HDF, MDF or particieboard, and 4c is PVC edge band, and b is reserved technique rank.

Detailed description of the invention

Below by embodiment, the present invention is conducted further description; the present embodiment is only for being further detailed the present invention; but can not be interpreted as limiting the scope of the invention, those skilled in the art's content according to the present invention makes some nonessential improvement and adjustment also belongs to the scope of protection of the invention.

This method proposes defect or the deficiency that technical scheme completely solves above-mentioned technique.Step is as follows:

1, with the substrate that vegetarian noodles HDF, MDF or particieboard (wooden dermatotome) are timber upper and lower surfaces.Substrate thickness size 5mm ~ 12mm, density 780-860Kg/m 3; Substrate book size 2440mmX1220mm(is attached to the wooden skin thickness 0.30-0.80mm on wooden scytoblastema plate surface);

2, press timber design size saw and cut out substrate (HDF, MDF or particieboard) and timber core real-wood integrated material limit stile;

3, hot-forming.Adopt the hot pressing mode of temperature control between 190-200 ° HDF(or MDF being placed in timber upper and lower surface layer) vegetarian noodles HDF, MDF or particieboard (wooden dermatotome) hot pressing, be glued in the stile of timber core real-wood integrated material limit;

4, stress equilibrium.In its natural state hot-forming timber (plain door) is deposited one week;

5, by state modulator requirement shaping plain door carried out to saw is cut out, surrounding PVC edge bonding belt carries out edge sealing; This method have employed the special edge sealing process of reserved technique rank b on PVC edge bonding belt to plain door periphery, as shown in Figure 2, wherein the size of technique rank b value determines according to the PVC edge bonding belt one-tenth-value thickness 1/10 of timber thickness and employing, and technique rank b value should be less than the thickness of surface layer HDF, MDF or particieboard 4b.

6, with CAD/CAM system, Milling Machining (groove, round, curved surface, abnormity processing etc.) is engraved to timber (plain door) surface;

7, as shown in Figure 1, high speed belt sander successively carries out surely thick sanding with line, the face way of contact to plain door surface, the scale error moment specification that timber thickness direction exists within the scope of technological requirement, and reject residue, the pollutant on timber surface simultaneously; Fig. 1 is the belt sander sanding schematic diagram that the present invention adopts, and in figure, surely thick sanding is carried out by the first sand roller, the second sand roller successively in linear contact lay mode in timber surface, and the linear velocity of the first sand roller and the second sand roller is 30 meter per seconds; Then by plane formula sand pillow, sanding operation is again carried out to timber surface with the face way of contact, the bar wire sand sheeter lines mark remained on timber surface is eliminated completely.

8, on continous way streamline, with plain-barreled roll, radium-shine roller connection roller mode pure white, coloured or transparent various PUA-X subbings respectively direct covering with paint in layer at plain door (wooden skin element door) on the surface, and realize wink-dry respectively under the Electromagnetic Interference condition produced at specific light source (Ga or UV lamp);

9, by the key belt sander on streamline, with line, the face way of contact to the meticulous sanding of PUA-X subbing be attached on plain door surface, polishing;

10, on continous way streamline, roller mode is joined pure white/coloured, transparent PUA-X high brightness (or sub-light) investment precoat roller coat at timber substrate P UA-X subbing on the surface with plain-barreled roll, radium-shine roller;

11, through levelling passage levelling, design temperature be 50 DEG C--75 DEG C, walking line speed is 4.50m/min--7.00m/min, and make the PUA-X investment precoat be attached on timber surface realize moment bone dry under the Electromagnetic Interference condition produced at specific light source (Ga or UV lamp);

12, the examination and test of products:

13, finished product packing:

14, finished product warehouse-in, delivery.

Claims (5)

1. a timber manufacturing process, is characterized in that comprising the following steps:
(1) with the substrate that vegetarian noodles HDF, MDF or particieboard are upper and lower two surface layers of timber; Substrate thickness 5mm ~ 12mm, density 780 ~ 860Kg/m 3, substrate breadth 2440mm × 1220mm;
(2) press timber design size saw and cut out substrate and timber core real-wood integrated material limit stile;
(3) hot-forming: control temperature 190 ~ 200 DEG C, adopt hot pressing mode that the substrate heat of timber upper and lower faces layer is glued together in the stile of timber core real-wood integrated material limit;
(4) stress equilibrium: in its natural state plain door hot-forming for step (3) is deposited a week;
(5) carry out saw sanction, surrounding PVC edge bonding belt edge sealing by timber design size to shaping plain door, PVC edge sealing reserves technique rank;
(6) with CAD/CAM system, Milling Machining is engraved to plain door surface;
(7) on belt sander, successively with line, the face way of contact, surely thick sanding is carried out to plain door surface, revise plain thickness gate error within the scope of production engineering specifications, reject residue, the pollutant on timber surface simultaneously;
(8) on continous way streamline, with plain-barreled roll, radium-shine roller connection roller mode, PUA-X subbing is directly covered with paint, lacquer, colour wash, etc. at plain door on the surface respectively layer by layer, and realize wink-dry respectively under the Electromagnetic Interference condition of specific light source Ga or the generation of UV lamp;
(9) key belt sander is adopted, with line, the face way of contact to the meticulous sanding of PUA-X subbing be attached on plain door surface, polishing;
(10) roller mode is joined the PUA-X subbing of investment precoat roller coat timber substrate after step (9) polishing on the surface with plain-barreled roll, radium-shine roller;
(11) the PUA-X investment precoat be attached on timber surface is made to realize moment bone dry under the Electromagnetic Interference condition produced through levelling passage levelling and at specific light source Ga or UV lamp;
(12) examination and test of products, packaging, warehouse-in.
2. timber manufacturing process according to claim 1, it is characterized in that: described step (7) is that first surely thick sanding is carried out by the first sand roller, the second sand roller successively in linear contact lay mode in timber surface, and the linear velocity of the first sand roller and the second sand roller is 30 meter per seconds; Then by plane formula sand pillow, sanding is again carried out to timber surface with the face way of contact, remove the bar wire sand sheeter lines mark remained on timber surface.
3. timber manufacturing process according to claim 2, is characterized in that: described PUA-X subbing and PUA-X investment precoat are pure white, coloured or clear dope, and its solids content is greater than 90%.
4. the timber manufacturing process according to claim 1 or 2 or 3, is characterized in that: engrave Milling Machining with CAD/CAM system to plain door surface and comprise groove, round, curved surface, abnormity processing.
5. timber manufacturing process according to claim 4, is characterized in that: described step (11) is 4.50 ~ 7.00m/min through the walking line speed of levelling passage levelling, and temperature is 50 DEG C ~ 75 DEG C.
CN201410012717.8A 2014-01-11 2014-01-11 A kind of timber manufacturing process CN103722603B (en)

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CN104400869B (en) * 2014-10-20 2017-02-15 湖州南浔恒峰家居科技有限公司 Vacuum modified weedtree composite wooden door and processing method thereof
CN106564101A (en) * 2016-11-11 2017-04-19 重庆欧帆门业有限公司 Manufacture process for coating of door body
CN107415015A (en) * 2017-05-18 2017-12-01 合肥荣事达电子电器集团有限公司 A kind of processing technology of solid wood composite consolidated door
CN107139303B (en) * 2017-06-13 2019-07-16 广州星河湾实业发展有限公司 A kind of fire-proof and thermal-insulation pine Solid Door processing technology
CN107443531B (en) * 2017-09-18 2019-11-15 贵州剑河园方林业投资开发有限公司 A kind of oriented wood chipboard and thin set are become a useful person the new construction composite door preparation method of combination
CN109869071A (en) * 2019-01-28 2019-06-11 品得门窗(成都)有限公司 A kind of energy conservation and environmental protection aluminum wood composite door and window production method

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