JPH02100000A - Sound absorbing material - Google Patents
Sound absorbing materialInfo
- Publication number
- JPH02100000A JPH02100000A JP63252499A JP25249988A JPH02100000A JP H02100000 A JPH02100000 A JP H02100000A JP 63252499 A JP63252499 A JP 63252499A JP 25249988 A JP25249988 A JP 25249988A JP H02100000 A JPH02100000 A JP H02100000A
- Authority
- JP
- Japan
- Prior art keywords
- sound absorbing
- absorbing material
- weight
- kerosene
- plate
- 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
- 239000011358 absorbing material Substances 0.000 title claims description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- 239000011347 resin Substances 0.000 claims abstract description 11
- 229920005989 resin Polymers 0.000 claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 10
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 10
- 239000003350 kerosene Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 abstract description 12
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 238000004898 kneading Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000006096 absorbing agent Substances 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 4
- 238000005245 sintering Methods 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
Landscapes
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業」二の利用分野〉
本発明は、金属切割屑等を利用した吸音材に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION <Industry> Second Field of Application The present invention relates to a sound absorbing material using cut metal scraps and the like.
〈従来の技術〉
従来、金属粉を用いた吸音材として金属粉をこれは、同
一種類の金属粉を耐火性熱プレスにより加圧しつつ高温
焼結することによって製造するものである。<Prior Art> Conventionally, sound absorbing materials using metal powder have been produced by sintering the same type of metal powder at high temperature while pressurizing it with a fire-resistant heat press.
〈発明が解決しようとする課題〉
ところが、係る従来の吸音材は、その製造が焼結による
ものであるため、表面が融着状態となり、従って吸音特
性が低下してしまうという欠点がある。<Problems to be Solved by the Invention> However, since such conventional sound absorbing materials are manufactured by sintering, they have a drawback in that their surfaces become fused and their sound absorbing properties deteriorate.
また、焼結度を低くして板状に成形すると強度が低下す
るという問題を生ずる。Furthermore, if the degree of sintering is lowered and formed into a plate shape, a problem arises in that the strength decreases.
く課題を解決するための手段〉
本第１の発明は、前記課題を解決するため、吸音材とし
て、 １〜５ｎｎ＋３の大きさに粗砕された金属切割屑
８０〜９８重量％、熱硬化性粉末レジン１．５〜１５重
景％、灯油０．２〜２．０重量％が混練され、加圧力１
５〜５０ｋｇ ／ ａｎ ２、加圧時間５〜１５秒の条
件のトにプレスされ、温度１５０〜３５０℃で加熱成形
されてなる構成を採用している。Means for Solving the Problems> In order to solve the above problems, the first invention uses, as a sound absorbing material, 80 to 98% by weight of metal chips coarsely crushed to a size of 1 to 5 nn+3, thermosetting 1.5 to 15% by weight of powdered resin and 0.2 to 2.0% by weight of kerosene are kneaded, and a pressure of 1
The material is pressed under the conditions of 5 to 50 kg/an2 and pressure time of 5 to 15 seconds, and then heat-formed at a temperature of 150 to 350°C.
また、本年２の発明は、本年１の発明のものが、板状に
成形され、中間に金網が介装された構成を採用している
。Moreover, the invention of this year 2 adopts a structure in which the invention of this year 1 is formed into a plate shape and a wire mesh is interposed in the middle.
なお、本年１及び第２の発明において、吸音材を板状体
として成形する場合、各板の大きさは、厚さ１０−２０
＋ｎｍ、 面積２００ｎｍ Ｘ ２００ｍｎ 〜３
００＋＋ｍ Ｘ３００＋ｎｍであるのが望ましい。In addition, in the first and second inventions of this year, when the sound absorbing material is formed into a plate-shaped body, the size of each plate is 10-20 mm thick.
+nm, area 200nm x 200mn ~3
00++m x 300+nm is desirable.
また、その場合、各板状体の四囲には枠材をはめ込んで
おき、その枠材を利用して多数の板状体を接合し、吸音
壁等として構成することもできる。Further, in that case, a frame material may be fitted around the four sides of each plate-like body, and a large number of plate-like bodies may be joined using the frame material to form a sound-absorbing wall or the like.
〈作用〉
本年１の発明及び本年２の発明において、吸音材の全体
が多孔性となっており、吸音性を発揮する。<Function> In the invention of this year 1 and the invention of this year 2, the entire sound-absorbing material is porous and exhibits sound-absorbing properties.
また、本年２の発明において、金網の介在によって板状
の吸音材の機械的強度が高められている。Moreover, in the invention of 2nd year of this year, the mechanical strength of the plate-shaped sound absorbing material is increased by the interposition of a wire mesh.
〈実施例〉 図面に基づき、本発明の実施例について説明する。<Example> Embodiments of the present invention will be described based on the drawings.
実」虻１
１〜５ＩＩＩ１１３の大きさに粗砕し、かつ除塵した金
属切割屑を９０重量％、粘結剤として熱硬化性粉末レジ
ンを９．０重量％、混練液として灯油を１６０重量％混
ぜ合わせて混練し、次にこれを、離型剤を塗布した型枠
（図示せず）内に投入し、板状に均した。``Fruit'' 1 90% by weight of metal chips coarsely crushed to a size of 1 to 5III113 and dust removed, 9.0% by weight of thermosetting powder resin as a binder, and 160% by weight of kerosene as a kneading liquid. The mixture was mixed and kneaded, and then placed in a mold (not shown) coated with a mold release agent and leveled into a plate shape.
この板状体の大きさは、厚さ１５ｍｍ、面積２５０ｍＸ
２５０ｍｎとした。The size of this plate-like body is 15 mm in thickness and 250 m in area.
It was set to 250 m.
また、前記金属切割屑としては、鋳鉄の鋳物及びアルミ
ニュウム合金の鋳物を切削加工等する際に生ずる切粉等
の屑を用いた。Further, as the metal chips, chips such as chips generated when cutting cast iron castings and aluminum alloy castings were used.
熱硬化性粉末レジンとしては、フェノールレジンを用い
た。Phenol resin was used as the thermosetting powder resin.
灯油は市販のものを用い、この灯油により熱硬化性粉末
レジンを半溶融状態にして前記混練時において切粉の表
面に均一にコーティングした。A commercially available kerosene was used, and the thermosetting powder resin was semi-molten with this kerosene, and was uniformly coated on the surface of the chips during the kneading.
次いで、型枠内の板状体をプレス機により、２５ｋｇ
／ ａｍ ２の加圧力で、１０秒間だけプレスした。Next, the plate-shaped body in the formwork was pressed into a 25 kg
It was pressed for only 10 seconds at a pressure of /am2.
しかる後、加熱炉にて２００〜３００℃の温度下で加熱
し、金属切割屑の粒子１を前記粘結剤によって結合させ
た。Thereafter, it was heated in a heating furnace at a temperature of 200 to 300°C to bond the metal chips particles 1 with the binder.
この段階において、第１図で示されるように、板状体の
金属切割屑の粒子１の回りに膜状に付着した熱硬化性粉
末レジン２の硬化によって粒子１同士が結合され、また
粒子１間には空隙３が随所に形成される。At this stage, as shown in FIG. 1, the particles 1 are bonded together by the hardening of the thermosetting powder resin 2 attached in a film form around the particles 1 of the metal chips of the plate-shaped body, and the particles 1 are Gaps 3 are formed here and there in between.
この加熱成形の後、型枠から板状体を取り出し、該板状
体の四囲に第２図で示されるようなアルミニュウム製の
溝を有した枠材４をはめ込んで第３図の如く構成した。After this hot forming, the plate-like body was taken out from the mold, and a frame material 4 made of aluminum having grooves as shown in Fig. 2 was fitted around the four sides of the plate-like body to form a structure as shown in Fig. 3. .
もちろん、このような枠材４ははめ込まないでも、板状
体同士を接合し、壁等として構成することもできる。Of course, such a frame material 4 may not be fitted, but plate-like bodies may be joined together to form a wall or the like.
なお、第３図において符号５は前記板状体を示している
。In addition, in FIG. 3, the reference numeral 5 indicates the plate-shaped body.
前記枠材４は、板状体相互間を連結できるようにするた
め取り付けられるものであり、樹脂製であってもよいも
のである。The frame material 4 is attached to connect the plate-shaped bodies to each other, and may be made of resin.
このようにして作った吸音材の吸音特性を測定したとこ
ろ、第４図の様な結果が得られた。When the sound absorbing properties of the sound absorbing material made in this manner were measured, the results shown in FIG. 4 were obtained.
支１豊ユ
前記第１実施例において、混練材を型枠内に充填する際
に、金網（図示せず）を中間層として挿入した。Support 1 In the first embodiment, a wire mesh (not shown) was inserted as an intermediate layer when filling the mold with the kneaded material.
その後、第１実施例におけると同様にして吸音材を作製
した。Thereafter, a sound absorbing material was produced in the same manner as in the first example.
〈発明の効果〉
本年１の発明に係る吸音材は、以上のように、１〜５
ｍｍ ３の大きさに粗砕された金属切割屑８０〜９８重
量％、熱硬化性粉末レジン１．５〜１５重量％、灯油０
．２〜２．０重量％が混練され、加圧力１５〜５０ｋｇ
／ａｎ２、加圧時間５〜１５秒の条件の下にプレスされ
、温度１．５０〜３５０℃の下で加熱成形されてなるの
で、表面が融着状になることがなく、従って全体にわた
り多孔性を有することとなって優れた吸音特性を発揮す
るものである。<Effect of the invention> As described above, the sound absorbing material according to invention 1 of this year has
80-98% by weight of metal chips coarsely crushed to a size of mm 3, 1.5-15% by weight of thermosetting powder resin, 0 kerosene
．． 2 to 2.0% by weight is kneaded, and the pressing force is 15 to 50 kg.
/an2, since it is pressed under the conditions of pressurization time of 5 to 15 seconds and heat-formed at a temperature of 1.50 to 350°C, the surface does not become fused and is therefore porous throughout. As a result, it exhibits excellent sound absorption properties.
また、本第２の発明に係る吸音材は、板状に成形され、
中間に金網が介装されてなるので、機械的強度優れ、例
えば工場の壁材として使用して有益なるものである。Further, the sound absorbing material according to the second invention is formed into a plate shape,
Since a wire mesh is interposed in the middle, it has excellent mechanical strength and is useful for use as a wall material in a factory, for example.
更に、本第１及び第の発明において、吸音材の重量の大
部分を占める部分を金属切割屑で構成するので、低廉に
て吸音材を製造することができるものである。Furthermore, in the first and second aspects of the present invention, since the portion that accounts for most of the weight of the sound absorbing material is made of cut metal scraps, the sound absorbing material can be manufactured at low cost.
図は本発明の実施例を示し、第１図は吸音材の内部構造
を断面として示した模式図、第２図は枠材の部分切欠斜
視図、第３図は板状に成形され四囲に枠材をはめ込まれ
た吸音材の斜視図。
第４図は吸音材の吸音率を従来例のものと対比して示す
グラフである。
１：金属切割屑、２：熱硬化性粉末レジン、３：空隙、
４：枠材、５：板状体。The figures show an embodiment of the present invention, in which Fig. 1 is a schematic diagram showing the internal structure of the sound absorbing material as a cross section, Fig. 2 is a partially cutaway perspective view of the frame material, and Fig. 3 is formed into a plate shape with four sides. A perspective view of a sound absorbing material fitted with a frame material. FIG. 4 is a graph showing the sound absorption coefficient of the sound absorbing material in comparison with that of a conventional example. 1: metal chips, 2: thermosetting powder resin, 3: voids,
4: frame material, 5: plate-shaped body.
Claims (1)
０〜９８重量％、熱硬化性粉末レジン１．５〜１５重量
％、灯油０．２〜２．０重量％が混練され、加圧力１５
〜５０ｋｇ／ｃｍ＾２、加圧時間５〜１５秒の条件の下
にプレスされ、温度１５０〜３５０℃で加熱成形されて
なる吸音材。 ２、板状に成形され、中間に金網が介装された特許請求
の範囲第１項記載の吸音材。[Claims] 1. Metal chips 8 roughly crushed to a size of 1 to 5 mm^3
0 to 98% by weight, thermosetting powder resin 1.5 to 15% by weight, and kerosene 0.2 to 2.0% by weight were kneaded, and a pressing force of 15% was mixed.
A sound absorbing material that is pressed under conditions of ~50 kg/cm^2 and a pressure time of 5 to 15 seconds, and heat-formed at a temperature of 150 to 350°C. 2. The sound absorbing material according to claim 1, which is formed into a plate shape and has a wire mesh interposed in the middle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63252499A JPH02100000A (en) | 1988-10-06 | 1988-10-06 | Sound absorbing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63252499A JPH02100000A (en) | 1988-10-06 | 1988-10-06 | Sound absorbing material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02100000A true JPH02100000A (en) | 1990-04-11 |
Family
ID=17238224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63252499A Pending JPH02100000A (en) | 1988-10-06 | 1988-10-06 | Sound absorbing material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02100000A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006088573A2 (en) | 2005-02-14 | 2006-08-24 | The Gates Corporation | Method of forming a metal matrix component |
-
1988
- 1988-10-06 JP JP63252499A patent/JPH02100000A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006088573A2 (en) | 2005-02-14 | 2006-08-24 | The Gates Corporation | Method of forming a metal matrix component |
| WO2006088573A3 (en) * | 2005-02-14 | 2006-11-23 | Gates Corp | Method of forming a metal matrix component |
| JP2008530364A (en) * | 2005-02-14 | 2008-08-07 | ザ ゲイツ コーポレイション | Metal matrix component forming method |
| US7437808B2 (en) | 2005-02-14 | 2008-10-21 | The Gates Corporation | Method of forming a metal matrix component |
| KR100938859B1 (en) * | 2005-02-14 | 2010-01-27 | 더 게이츠 코포레이션 | How to Make Metal Substrate Components |
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