JPH01318292A - Manufacture of structure for electric apparatus - Google Patents
Manufacture of structure for electric apparatusInfo
- Publication number
- JPH01318292A JPH01318292A JP15144988A JP15144988A JPH01318292A JP H01318292 A JPH01318292 A JP H01318292A JP 15144988 A JP15144988 A JP 15144988A JP 15144988 A JP15144988 A JP 15144988A JP H01318292 A JPH01318292 A JP H01318292A
- Authority
- JP
- Japan
- Prior art keywords
- slurry
- powder
- raw material
- material powder
- glass
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 239000000843 powder Substances 0.000 claims abstract description 32
- 239000000919 ceramic Substances 0.000 claims abstract description 17
- 239000011521 glass Substances 0.000 claims abstract description 17
- 239000002002 slurry Substances 0.000 claims abstract description 16
- 239000011230 binding agent Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 238000005245 sintering Methods 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 239000002612 dispersion medium Substances 0.000 claims abstract description 4
- 238000002844 melting Methods 0.000 claims abstract description 4
- 230000008018 melting Effects 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims abstract 2
- 239000002994 raw material Substances 0.000 claims description 22
- 239000002245 particle Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 2
- 239000005388 borosilicate glass Substances 0.000 abstract description 2
- 239000005355 lead glass Substances 0.000 abstract description 2
- 229910010293 ceramic material Inorganic materials 0.000 abstract 4
- 238000013016 damping Methods 0.000 description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- WHOPEPSOPUIRQQ-UHFFFAOYSA-N oxoaluminum Chemical compound O1[Al]O[Al]1 WHOPEPSOPUIRQQ-UHFFFAOYSA-N 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は各種電気機器のキャビネットやシャーシ土台等
の構造物の製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for manufacturing structures such as cabinets and chassis foundations for various electrical devices.
従来、アンプ、CDプレーヤ、テレビ受信機等の各種音
響機器のシャーシ土台やスピーカのキャビネット或いは
冷蔵庫等のコンプレッサの土台等は鉄等の金属製である
ため、発生する音ツ、トランスの鳴き、コンプレッサの
振動等によって振動すると、振幅が大きくなり振動の減
衰時間が長くなり易い。このような振動が発生すると、
音8!機器ではコンデンサやコイル或いは配線材等を力
p振し、電気信号にノイズが重なり、音質が劣化する。Conventionally, the chassis bases of various audio equipment such as amplifiers, CD players, and television receivers, the cabinets of speakers, and the bases of compressors such as refrigerators are made of metal such as iron. When the device vibrates due to vibrations, etc., the amplitude becomes large and the damping time of the vibration tends to become long. When such vibration occurs,
Sound 8! In devices, capacitors, coils, wiring materials, etc. are subjected to force p vibrations, noise is superimposed on electrical signals, and sound quality deteriorates.
また、冷蔵庫ではコンプレッサの騒音が増加する。Additionally, the noise from the compressor in the refrigerator increases.
このような振動を消去する方法として、シャーシ土台等
をファインセラミックで形成することが考えられる。フ
ァインセラミックは任意形状に成形することが可能で、
制振効果に優れている等の特性を有している。One possible way to eliminate such vibrations is to form the chassis base etc. with fine ceramic. Fine ceramics can be formed into any shape.
It has characteristics such as excellent vibration damping effect.
ところが、ファインセラミックは、上記の利点を有する
反面、製造工程における焼結温度が高(、原材料に高純
度が要求されるため製造工程に高い技術が要求される。However, although fine ceramics have the above-mentioned advantages, the sintering temperature in the manufacturing process is high (and high purity raw materials are required, so high technology is required in the manufacturing process.
従って、ファインセラミック製シャーシ土台等はコスト
高となり、市場への導入が困難であった。Therefore, fine ceramic chassis bases and the like are expensive and difficult to introduce into the market.
本発明はこのような事情に鑑みてなされたものでファイ
ンセラミックと同等の制振効果を有し、任意成形が可能
なシャーシ土台等の構造物を容易、かつ、安価に製造す
ることを可能とした方法を提供することである。The present invention has been developed in view of these circumstances, and has the same vibration damping effect as fine ceramics, making it possible to easily and inexpensively manufacture structures such as chassis bases that can be formed arbitrarily. The objective is to provide a method for achieving this goal.
このために本発明の電気機器用構造物の製造方法は、セ
ラミック原料粉末とガラス原料粉末とバインダとを混合
してスラリを作成する工程と、該スラリを所定の形状に
成形する工程と、該成形体を上記ガラス原料粉末の溶融
温度に加熱して焼結する工程とを有するように構成した
。For this purpose, the method of manufacturing a structure for electrical equipment of the present invention includes the steps of: mixing ceramic raw material powder, glass raw material powder, and binder to create a slurry; shaping the slurry into a predetermined shape; The molded body is heated to the melting temperature of the glass raw material powder and sintered.
以下、本発明の一実施例の電気機器用構造物の製造方法
について説明する。第1図は本実施例の概要を示す製造
工程図である。この工程の概要は、まず、セラミック原
料粉末とガラス原料粉末とバインダとを混合してスラリ
を作成し、これに必要に応じて分散媒を加えて粘度を調
整した後、目的の形状に成形し、ガラスの溶融温度で加
熱して焼結し、放置冷却して終了することである。Hereinafter, a method for manufacturing a structure for electrical equipment according to an embodiment of the present invention will be described. FIG. 1 is a manufacturing process diagram showing an outline of this embodiment. The outline of this process is to first create a slurry by mixing ceramic raw material powder, glass raw material powder, and binder, then add a dispersion medium as necessary to adjust the viscosity, and then mold it into the desired shape. , sintering is performed by heating at the melting temperature of glass, and the process is completed by leaving it to cool.
セラミック原料粉末としてはアルミナ(Al2O2)或
いはジルコニア(ZrOz)等を用いる。また、ガラス
原料粉末としては上記セラミック原料粉末の粒度と同等
又はそれ以下の粒度(数μ)の鉛ガラス或いはホウケイ
酸ガラス等を用いる。両粉末の混合割合は通常は5:5
であるが、3ニア〜7:3の範囲内で可能である。両粉
末が最終的に構造物の骨休となる。Alumina (Al2O2), zirconia (ZrOz), or the like is used as the ceramic raw material powder. Further, as the glass raw material powder, lead glass or borosilicate glass having a particle size (several microns) equal to or smaller than the particle size of the ceramic raw material powder is used. The mixing ratio of both powders is usually 5:5.
However, it is possible within the range of 3-near to 7:3. Both powders ultimately become the core of the structure.
また、バインダとしては、ポリビニールアルコール、ポ
リビニールブチラール等を用い、溶剤としてはトルエン
、トリクレン等の有機溶剤、若しくは水を用いる。なお
、ポリビニールアルコールは水で、ポリビニールブチラ
ールは溶剤で溶解して用いる。バインダを加える理由は
両粉末の混合物に粘度を与えてスラリ化するためである
。Further, as the binder, polyvinyl alcohol, polyvinyl butyral, etc. are used, and as the solvent, an organic solvent such as toluene, trichlene, etc., or water is used. Note that polyvinyl alcohol is dissolved in water and polyvinyl butyral is dissolved in a solvent before use. The reason for adding the binder is to give the mixture of both powders viscosity and form a slurry.
分散媒はスラリの粘度を調整するために加えるもので、
水(バインダとしてポリビニールアルコール等を用いた
場合)或いは溶剤(バインダとしてポリビニールブチラ
ールを用いた場合)等を用いる。 以上のようにして得
られたスラリを成形型(インジェクション成形も可能)
によって目的の形状に成形した後′、600〜900°
Cに加熱する。The dispersion medium is added to adjust the viscosity of the slurry.
Water (when polyvinyl alcohol or the like is used as the binder) or a solvent (when polyvinyl butyral is used as the binder) is used. The slurry obtained as above is molded into a mold (injection molding is also possible).
After forming into the desired shape by ', 600~900°
Heat to C.
この加熱温度では、まず、加熱立ち上がりでバインダが
加熱分解、燃焼により追い出され、次にガラス原料粉末
が溶融し、セラミック原料粉末を架橋結合して一体化す
る。At this heating temperature, the binder is first expelled by thermal decomposition and combustion at the start of heating, then the glass raw material powder is melted, and the ceramic raw material powder is cross-linked and integrated.
第2図は本製造方法によって製造したアンプシャーシを
示し、1は基板装着部、2はトランス装着部、3はコン
デンサ装着部で、スラリの成形はプラスチック成形と同
じ手段で行った。このアンプシャーシは従来のアルミダ
イキャストのものに代えての使用が可能で防振性がより
優れている。FIG. 2 shows an amplifier chassis manufactured by the present manufacturing method, in which 1 is a board mounting part, 2 is a transformer mounting part, and 3 is a capacitor mounting part, and the slurry was molded by the same means as plastic molding. This amplifier chassis can be used in place of the conventional die-cast aluminum chassis and has better vibration isolation.
以上から本発明によれば、ガラス原料粉末の焼結により
セラミック原料粉末を結合するようにしたので、ファイ
ンセラミックと同等の制振特性を有するシャーシ土台等
の構造物を容易、かつ、安価に製造するが可能となる。From the above, according to the present invention, the ceramic raw material powder is bonded by sintering the glass raw material powder, so structures such as chassis foundations that have vibration damping properties equivalent to fine ceramics can be manufactured easily and at low cost. It becomes possible to do so.
第1図は本発明の電気機器用構造物の製造方法の概要工
程図、第2図は本製造方法で製造されたアンプの斜視図
である。FIG. 1 is a schematic process diagram of a method for manufacturing a structure for electrical equipment according to the present invention, and FIG. 2 is a perspective view of an amplifier manufactured by this manufacturing method.
Claims (4)
ダとを混合してスラリを作成する工程と、該スラリを所
定の形状に成形する工程と、該成形体を上記ガラス原料
粉末の溶融温度に加熱して焼結する工程とを有すること
を特徴とする電気機器用構造物の製造方法。(1). A step of mixing a ceramic raw material powder, a glass raw material powder, and a binder to create a slurry, a step of molding the slurry into a predetermined shape, and a step of heating the molded body to the melting temperature of the glass raw material powder and sintering it. A method for manufacturing a structure for electrical equipment, comprising the steps of:
の粒度以下の粒度にしたことを特徴とする特許請求の範
囲第1項記載の電気機器用構造物の製造方法。(2). 2. The method of manufacturing a structure for electrical equipment according to claim 1, wherein the glass raw material powder has a particle size equal to or less than the particle size of the ceramic raw material powder.
混合比を3:7乃至7:3としたことを特徴とする特許
請求の範囲第1項又は第2項記載の電気機器用構造物の
製造方法。(3). 3. The method of manufacturing a structure for electrical equipment according to claim 1, wherein the mixing ratio of the ceramic raw material powder and the glass raw material powder is 3:7 to 7:3.
原料粉末と上記ガラス原料粉末と上記バインダとを混合
した後、該混合物に分散媒を加えて粘度を調整してスラ
リを作成する工程としたことを特徴とする特許請求の範
囲第1項乃至第2項記載の電気機器用構造物の製造方法
。(4). The step of creating the slurry is a step of mixing the ceramic raw material powder, the glass raw material powder, and the binder, and then adding a dispersion medium to the mixture to adjust the viscosity to create the slurry. A method for manufacturing a structure for electrical equipment according to claims 1 and 2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15144988A JPH01318292A (en) | 1988-06-20 | 1988-06-20 | Manufacture of structure for electric apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15144988A JPH01318292A (en) | 1988-06-20 | 1988-06-20 | Manufacture of structure for electric apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01318292A true JPH01318292A (en) | 1989-12-22 |
Family
ID=15518836
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15144988A Pending JPH01318292A (en) | 1988-06-20 | 1988-06-20 | Manufacture of structure for electric apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01318292A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS564296A (en) * | 1979-06-26 | 1981-01-17 | Aikoh Co | Ceramic amplifier box |
JPS61155243A (en) * | 1984-12-28 | 1986-07-14 | 富士通株式会社 | Green sheet composition |
-
1988
- 1988-06-20 JP JP15144988A patent/JPH01318292A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS564296A (en) * | 1979-06-26 | 1981-01-17 | Aikoh Co | Ceramic amplifier box |
JPS61155243A (en) * | 1984-12-28 | 1986-07-14 | 富士通株式会社 | Green sheet composition |
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