JPS62242532A - Manufacture of flame coated wood - Google Patents
Manufacture of flame coated woodInfo
- Publication number
- JPS62242532A JPS62242532A JP8683186A JP8683186A JPS62242532A JP S62242532 A JPS62242532 A JP S62242532A JP 8683186 A JP8683186 A JP 8683186A JP 8683186 A JP8683186 A JP 8683186A JP S62242532 A JPS62242532 A JP S62242532A
- Authority
- JP
- Japan
- Prior art keywords
- wood
- metal
- intermediate layer
- thermally sprayed
- sprayed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002023 wood Substances 0.000 title claims description 35
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 239000010410 layer Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 238000002844 melting Methods 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 7
- 238000007751 thermal spraying Methods 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000002344 surface layer Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 14
- 239000011247 coating layer Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 241001070947 Fagus Species 0.000 description 4
- 235000010099 Fagus sylvatica Nutrition 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000011120 plywood Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 241001337993 Agathis <wasp> Species 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 241000158728 Meliaceae Species 0.000 description 1
- 241000219492 Quercus Species 0.000 description 1
- 235000016976 Quercus macrolepis Nutrition 0.000 description 1
- 235000015392 Sesbania grandiflora Nutrition 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 235000019646 color tone Nutrition 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- -1 silica and alumina Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002345 surface coating layer Substances 0.000 description 1
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
「産業上の利用分野」
この発明は、木質基材に金属またはセラミックスを溶射
してこの木質基材表面に溶射被覆層を形成する溶射被覆
木材の製造方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION "Industrial Application Field" The present invention relates to a method for producing thermal spray coated wood, which involves spraying metal or ceramics onto a wood base material to form a spray coating layer on the surface of the wood base material. be.
「従来の技術」
周知のように、木材表面にアルミニウムなどの金属を溶
射して溶射被覆層を形成して、木材の耐火性、耐風化性
等を改善するとともに、独特のメ「発明が解決しようと
する問題点」
ところで、前記従来の溶射被覆木材には、次のような問
題点があり、その解決が望まれているのが現状である。``Prior art'' As is well known, metals such as aluminum are thermally sprayed onto the surface of wood to form a thermally sprayed coating layer to improve the fire resistance, weathering resistance, etc. of wood. By the way, the conventional thermal spray coated wood has the following problems, and it is currently desired to solve them.
（ａ） 高温の溶射材により、木材の含水率の平衡が
失われ、金属溶射後に木材の収縮が生じるため、木材と
溶射被覆層との付着力が弱くなっている。(a) The high-temperature spraying material causes the moisture content of the wood to lose its equilibrium, causing shrinkage of the wood after metal spraying, which weakens the adhesion between the wood and the sprayed coating layer.
特に、セラミックスなどの高融点物質では、全く付着し
ない。In particular, high melting point substances such as ceramics do not adhere at all.
（ｂ） 大きく、かつ多数の気孔を有する木材上に形
成されるため、溶射膜の気孔率が高くなり、それによっ
て溶射後の寸法変化が大きくなり、均一な寸法の製品を
得ることが難しい。(b) Since it is formed on wood that has large and numerous pores, the porosity of the thermal sprayed film is high, which increases the dimensional change after thermal spraying, making it difficult to obtain a product with uniform dimensions.
（ｃ） 溶射時の急激な温度変化および水分喪失によ
って、製品に変形、割れが生じ、不良発生率が高い。(c) Rapid temperature changes and water loss during thermal spraying cause products to deform and crack, resulting in a high rate of defects.
（ｄ） 大きく、かつ多数の気孔を有する木材上に形
成されるため、溶射被覆層の表面肌が荒くなってしまう
。(d) Since it is formed on wood having large and numerous pores, the surface of the sprayed coating layer becomes rough.
その目的は、被覆層の付着が強く、寸法変化、変形、割
れがなく、外観性の良い溶射被覆水材を容易に得ること
のできる溶射被覆木材の製造方法を提供することにある
。The purpose is to provide a method for producing thermal spray-coated lumber that can easily obtain thermal spray-coated lumber with strong adhesion of the coating layer, no dimensional change, deformation, or cracking, and good appearance.
「問題点を解決するための手段」
この発明方法の特徴は、木材表面に一旦低融点金属の溶
射（中間層）膜を形成しておき、この溶射膜上に所望と
する金属またはセラミックスの溶射被覆を施すことにあ
る。``Means for Solving the Problems'' The feature of the method of this invention is that a thermally sprayed (intermediate layer) film of a low melting point metal is once formed on the wood surface, and then a desired metal or ceramic is thermally sprayed on this thermally sprayed film. The purpose is to apply a coating.
「作用」
前記方法によれば、溶射中間層の形成時には木材にかか
る温度は比較的低いので、木材の水分喪失が低く抑えら
れ、変形することがない。また、この溶射中間層自体の
気孔率は高いものの、表面の溶射被覆層はこの溶射中間
層上に形成されるので、気孔率がたいへん少ない表面肌
の細かい、外観性のよいものとなる。さらに、この方法
によれば、木材上に低融点ながら金属溶射膜が存在する
ので、木材の水分喪失、変形等を伴うことなく、比較的
高融点物質を溶射することができるので、様々の色調の
セラミックス層等の多種類の被覆層を形成することがで
き、製品の多用途化を図ることができる。"Operation" According to the above method, the temperature applied to the wood during formation of the thermally sprayed intermediate layer is relatively low, so water loss in the wood is suppressed to a low level and no deformation occurs. Further, although the porosity of this thermally sprayed intermediate layer itself is high, since the surface thermally sprayed coating layer is formed on this thermally sprayed intermediate layer, the porosity is very low, the surface texture is fine, and the appearance is good. Furthermore, according to this method, since a low-melting metal sprayed film is present on the wood, it is possible to spray a relatively high-melting point substance without causing water loss or deformation of the wood, resulting in various color tones. Various types of coating layers such as ceramic layers can be formed, and the product can be used in a variety of applications.
なお、この発明において使用木材の種類は、特に限定さ
れるものでなく、天然木ムク材、合板、化粧合板、集成
材などが用いられる。１１種としては、ブナ、ナラ、ア
ガチス、マホガニー、セン、スブールスなどが挙げられ
、これらに限られるものでないが、一般にヤニ成分の少
ないものが好ましい。The type of wood used in this invention is not particularly limited, and natural wood, plywood, decorative plywood, laminated wood, etc. are used. Examples of the 11 types include beech, oak, agathis, mahogany, sen, and suburus, and are not limited to these, but in general, those with a low resin content are preferred.
また、この使用木材は、溶射膜との密着性を上げるため
に、溶射前に金属ブラシ、研摩紙（＃６０〜＃ １００
）などを用いて予め処理面を荒らしておくことが好まし
い。In addition, in order to improve the adhesion of the wood to the sprayed film, the wood should be brushed with a metal brush and abrasive paper (#60 to #100) before spraying.
) or the like to roughen the treated surface in advance.
さらに、溶射方法としては、電気アーク方式、プラズマ
方式、火炎方式などがあるが、主にアーク方式、プラズ
マ方式が用いられる。アーク方式は、電気アーク中にア
ルミニウム、亜鉛、銅、銅合金などの金属からなる線材
を順次送り込み、アーク中で、これを溶融し、高速で木
材表面に吹き付けることにより行なわれる。一方、プラ
ズマ方式は、プラズマ中に前記同様の金属材料やシリカ
、アルミナなどの金属酸化物、セラミックス材料を送り
込み、これを溶融して木材に高速で吹き付けることによ
り行なわれる。Further, thermal spraying methods include an electric arc method, a plasma method, a flame method, etc., and the arc method and plasma method are mainly used. The arc method involves feeding wire rods made of metals such as aluminum, zinc, copper, and copper alloys into an electric arc, melting them in the arc, and spraying them onto the wood surface at high speed. On the other hand, the plasma method is carried out by feeding metal materials similar to those described above, metal oxides such as silica and alumina, and ceramic materials into plasma, melting them, and spraying them onto wood at high speed.
以下、この発明の実施例を示す。Examples of this invention will be shown below.
「実施例」
１００ｘ ５００ｘ ２０ｔ（ｚｚ）のブナ材（平衡含
水率１２％）の表面にアーク溶射法により亜鉛を溶射し
て、５０μ屑の溶射中間層を形成した。この時、ブナ材
には変形および寸法変化はみられなかった。続いて、こ
の溶射中間層上に所望とする銅を同じくアーク溶射法に
より溶射して溶射被覆層を形成した。"Example" Zinc was thermally sprayed on the surface of 100 x 500 x 20 t (zz) beech wood (equilibrium water content 12%) by arc spraying to form a thermal sprayed intermediate layer of 50 micron chips. At this time, no deformation or dimensional change was observed in the beech wood. Subsequently, desired copper was thermally sprayed onto this thermally sprayed intermediate layer by the same arc thermal spraying method to form a thermally sprayed coating layer.
得られた板材を目視により観察したが、変形、寸法変化
はみられなかった。また、表面被覆層の肌はきめこまか
く、なめらかであった。さらにブナ材と溶射層との密着
強度を測定したところ、密着強度は１５〜２０ＭＰａと
充分に実用に耐えうる強度を示した。The obtained plate material was visually observed, but no deformation or dimensional change was observed. Furthermore, the skin of the surface coating layer was fine and smooth. Furthermore, when the adhesion strength between the beech wood and the sprayed layer was measured, the adhesion strength was 15 to 20 MPa, which was sufficient for practical use.
以上説明したように、この発明は、木材表面に一旦低融
点金属の溶射（中間層）Ｉ！ｉを形成しておき、この溶
射膜上に所望とする金属またはセラミックスの溶射被覆
を施すことを特徴とするものである。As explained above, this invention is based on the thermal spraying (intermediate layer) of a low melting point metal on the wood surface. i is formed in advance, and a desired metal or ceramic coating is applied on the sprayed coating.
従って、この発明方法によれば、溶射中間層の形成時に
は木材にかかる温度は比較的低いので、木材の水分喪失
が低く抑えられ、変形することがない。また、この溶射
中間層自体の気孔率は高いものの、表面の溶射被覆層は
この溶射中間層上に形成されるので、気孔率がたいへん
少ない表面肌の細かい、外観性のよいものとなる。さら
に、この方法によれば、木材上に低融点ながら金属溶射
膜が存在するので、木材の水分喪失、変形等を伴うこと
なく、比較的高融点物質を溶射することができるので、
様々の色調のセラミックス層等の多種類の被覆層を形成
することができ、製品の多用途化を図ることができる。Therefore, according to the method of the present invention, the temperature applied to the wood during formation of the thermally sprayed intermediate layer is relatively low, so that water loss in the wood is kept low and the wood is not deformed. Further, although the porosity of this thermally sprayed intermediate layer itself is high, since the surface thermally sprayed coating layer is formed on this thermally sprayed intermediate layer, the porosity is very low, the surface texture is fine, and the appearance is good. Furthermore, according to this method, since a metal sprayed film with a low melting point is present on the wood, a relatively high melting point substance can be sprayed without causing moisture loss or deformation of the wood.
Many types of coating layers such as ceramic layers of various colors can be formed, and the product can be used in a wide variety of applications.
Claims (1)
形成し、この中間層上に金属またはセラミックスを溶射
して溶射被覆表面層を形成する溶射被覆木材の製造方法
。A method for producing thermal spray coated wood, which comprises thermal spraying a low melting point metal onto the surface of a wood base material to form a metal thermal spray intermediate layer, and thermal spraying a metal or ceramic onto the intermediate layer to form a thermal spray coating surface layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61086831A JPH072399B2 (en) | 1986-04-15 | 1986-04-15 | Method for producing thermal spray coated wood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61086831A JPH072399B2 (en) | 1986-04-15 | 1986-04-15 | Method for producing thermal spray coated wood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62242532A true JPS62242532A (en) | 1987-10-23 |
| JPH072399B2 JPH072399B2 (en) | 1995-01-18 |
Family
ID=13897757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61086831A Expired - Fee Related JPH072399B2 (en) | 1986-04-15 | 1986-04-15 | Method for producing thermal spray coated wood |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH072399B2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50129438A (en) * | 1974-03-02 | 1975-10-13 |
-
1986
- 1986-04-15 JP JP61086831A patent/JPH072399B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50129438A (en) * | 1974-03-02 | 1975-10-13 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH072399B2 (en) | 1995-01-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |