JPH05200937A - Damping panel - Google Patents
Damping panelInfo
- Publication number
- JPH05200937A JPH05200937A JP12941091A JP12941091A JPH05200937A JP H05200937 A JPH05200937 A JP H05200937A JP 12941091 A JP12941091 A JP 12941091A JP 12941091 A JP12941091 A JP 12941091A JP H05200937 A JPH05200937 A JP H05200937A
- Authority
- JP
- Japan
- Prior art keywords
- damping
- vibration
- damping sheet
- panel
- several
- 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
Landscapes
- Laminated Bodies (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、鋼板や合板等に制振シ
ートを積層してなる制振パネルに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vibration damping panel formed by laminating a vibration damping sheet on a steel plate, plywood or the like.
【０００２】[0002]
【従来の技術】自動車等の振動発生機関があるもので
は、その機関により、発生する振動が、電子制御機器に
ノイズを与えたり、その機関に係わる人間に対して悪影
響を及ぼしたりする。2. Description of the Related Art When there is a vibration generating engine such as an automobile, the vibration generated by the engine gives noise to an electronic control device or adversely affects people involved in the engine.
【０００３】その振動を緩和するために、鋼板や合板な
どにゴムや合成樹脂などからなる制振シートを積層して
用いるが、一般に剛性の高い鋼板や合板の振動を効果的
に抑えるためには、それと同等の剛性を有する制振材を
積層しなければならない。しかし、従来の制振シートは
軟らかいものが多く、また逆に剛性の高いものでは制振
性能が十分ではないという問題点があった。In order to reduce the vibration, a damping sheet made of rubber or synthetic resin is laminated on a steel plate or plywood to be used. Generally, in order to effectively suppress the vibration of the highly rigid steel plate or plywood. , A damping material having the same rigidity must be laminated. However, many conventional vibration damping sheets are soft, and conversely, those having high rigidity have a problem that vibration damping performance is not sufficient.
【０００４】[0004]
【発明が解決しようとする課題】本発明は、上記欠点に
鑑みなされたもので、剛性の高い鋼板や合板等の振動を
効果的に抑えるために、高剛性の制振シートをサンドイ
ッチし、あるいはその表面に貼着することによって、振
動を抑えることができる制振パネルを提供するものであ
る。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned drawbacks, and in order to effectively suppress the vibration of a highly rigid steel plate or plywood, a high-rigidity damping sheet is sandwiched, or It is intended to provide a vibration damping panel which can suppress vibration by being attached to the surface thereof.
【０００５】[0005]
【課題を解決するための手段】本発明は、鋼板や合板等
に制振シートをサンドイッチし、あるいはその表面に貼
着してなる制振パネルにおいて、アクリル系樹脂とメタ
クリル系樹脂の共重合体に粒径数μｍ〜数十μｍの金属
粉を充填させてなる、ヤング率が１０ 8 Ｎ／m2 以上
の高剛性の制振シート１を、金属や木質などからなる基
材２と積層してなることを特徴とする制振パネルであ
る。DISCLOSURE OF THE INVENTION The present invention provides a damping panel formed by sandwiching a damping sheet on a steel plate, plywood or the like, or adhering it to the surface of the damping sheet, which is a copolymer of an acrylic resin and a methacrylic resin. A high-rigidity vibration damping sheet 1 having a Young's modulus of 10 8 N / m 2 or more, which is obtained by filling metal powder having a particle size of several μm to several tens of μm with a base material 2 made of metal or wood. It is a vibration control panel characterized by the following.
【０００６】[0006]
【作 用】制振性の高いアクリル系樹脂と、剛性の高い
メタクリル系樹脂の共重合体とすることにより、高い制
振性と高い剛性をもつ樹脂を得ることができる。さら
に、粒径数μｍ〜数十μｍの金属粉を充填すると、充填
効果により剛性が上がると同時に粉体表面と樹脂の界面
での摩擦やずりによるエネルギー損失がもたらされ、制
振性も確保された材料となる。[Operation] By using a copolymer of acrylic resin having high vibration damping property and methacrylic resin having high rigidity, a resin having high vibration damping property and high rigidity can be obtained. Furthermore, when a metal powder with a particle size of several μm to several tens of μm is filled, rigidity is increased due to the filling effect, and at the same time energy loss due to friction and shear at the powder surface-resin interface is ensured, and vibration damping is also secured. It will be the material that was made.
【０００７】このようにして、剛性の高い金属や木質か
らなる基材は、高い剛性と高い制振性を有する制振シー
トを積層することにより、高い制振性を発揮するパネル
となる。このことは、以下に示した考え方によるもので
ある。In this way, the base material made of metal or wood having high rigidity becomes a panel exhibiting high vibration damping property by laminating the vibration damping sheets having high rigidity and high vibration damping property. This is based on the concept shown below.
【０００８】基材と制振シートを積層した時の全体の損
失係数ηは、次式で表される。 η＝１４・η2 ・Ｅ2 ／Ｅ1 （ t2 ／ t1 ）2 η2 ：制振シートの損失係数 Ｅ1 、Ｅ2 ：基材および制振シートの弾性率（Ｎ／
m2 ） t1 、 t2 ：基材および制振シートの厚さ（ｍ） 一方、制振シートの損失係数η2 は、次式で表される。The overall loss coefficient η when the base material and the vibration damping sheet are laminated is expressed by the following equation. η = 14 · η 2 · E 2 / E 1 (t 2 / t 1 ) 2 η 2 : Loss coefficient of damping sheet E 1 , E 2 : Elastic modulus of base material and damping sheet (N /
m 2 ) t 1 , t 2 : Thickness of base material and damping sheet (m) On the other hand, the loss coefficient η 2 of the damping sheet is expressed by the following equation.
【０００９】η2 ＝Ｅ2 ”／Ｅ2 ’ Ｅ2 ’：動的弾性率（＝Ｅ2 ） Ｅ2 ”：損失弾性率 これらの式より、 η＝１４・Ｅ2 ”／Ｅ1 （ t2 ／ t1 ）2 となり、高い損失係数を得るには、損失弾性率の高制振
シートを用いる必要がある。従って、同程度の損失係数
をもつ制振シートの場合、動的弾性率の高い、すなわち
高剛性な制振シートを用いる方が効果的に制振性能を高
めることができる。Η 2 = E 2 ″ / E 2 ′ E 2 ′: Dynamic elastic modulus (= E 2 ) E 2 ″: Loss elastic modulus From these equations, η = 14 · E 2 ″ / E 1 (t 2 / t 1 ) 2 , it is necessary to use a high damping sheet with a loss elastic modulus in order to obtain a high loss coefficient. It is possible to effectively improve the vibration damping performance by using a vibration damping sheet having high rigidity, that is, high rigidity.
【００１０】[0010]
（実施例１）実施例１を図１に示す。 (Example 1) Example 1 is shown in FIG.
【００１１】本実施例は、アクリル系樹脂とメタクリル
系樹脂の共重合体に充填材として粒径が数μｍ〜数十μ
ｍの金属粉体を、樹脂重量部に対して数十部〜数百重量
部混入してなる厚さ数百μｍ〜数十 mm の制振シート
を、厚さ数 mm 〜数十 mm の鋼板や合板からなる基材で
サンドイッチしてなるものである。In this embodiment, a copolymer of acrylic resin and methacrylic resin has a particle size of several μm to several tens μ as a filler.
m metal powder mixed with tens to hundreds of parts by weight with respect to the resin weight, and a vibration damping sheet with a thickness of several hundreds of μm to tens of mm, a steel plate with a thickness of several mm to tens of mm. It is sandwiched between base materials made of plywood.
【００１２】本実施例において、アクリル酸メチルとメ
タクリル酸メチルの共重合比３５：６５とし、充填材と
して、粒径８μｍのＳＵＳ３１６ステンレス粉体を８２
０重量部混入してなる弾性率８．７×１０ 9Ｎ／ m2 、
厚さ１ mm の制振シートとし、それを厚さ５．５ mm の
合板でサンドイッチした制振パネルの損失係数を片持ち
梁法で計測した結果を第１表（ａ）に示す。比較例とし
て本実施例の制振パネルにおいて、制振シートを厚さ１
mm のシリコンゴムとした場合の損失係数を同表に示し
た。従来のシリコンゴムをサンドイッチしたパネルと比
べて、本実施例の制振シートをサンドイッチしたパネル
は、高い制振性能をもつことがわかる。In this example, the copolymerization ratio of methyl acrylate and methyl methacrylate was 35:65, and 82 SUS316 stainless powder having a particle size of 8 μm was used as a filler.
Elasticity of 8.7 × 10 9 N / m 2 mixed with 0 parts by weight,
Table 1 (a) shows the results of measuring the loss factor of the damping panel, which was sandwiched with a 5.5 mm thick plywood, using the cantilever method. As a comparative example, in the damping panel of the present example, the damping sheet has a thickness of 1
The loss factors when using silicon rubber of mm are shown in the table. It can be seen that the panel sandwiching the vibration damping sheet of this example has higher vibration damping performance than the panel sandwiching the conventional silicone rubber.
【００１３】（実施例２）実施例２を図２に示す。(Embodiment 2) Embodiment 2 is shown in FIG.
【００１４】本実施例は、実施例１において制振シート
の厚さを数 mm 〜数十 mm とし、その片面にのみ厚さ数
mm 〜数十 mm の鋼板や合板を積層してなるものであ
る。In the present embodiment, the thickness of the vibration damping sheet is set to several mm to several tens of mm in the first embodiment, and the number of thicknesses is set only on one side thereof.
It is made by laminating steel plates and plywood of mm to several tens of mm.
【００１５】本実施例において、制振シートを実施例１
と同配合で厚さ３．５ mm のものとし、その片面に厚さ
５．５ mm の合板を積層した制振パネルとした時の損失
係数を片持ち梁法で計測した結果を、第１表（ｂ）に示
した。これも実施例１と同等の高い損失係数を示してい
る。In the present embodiment, the damping sheet is used in the first embodiment.
The loss factor was measured by the cantilever method when the same composition was used, but with a thickness of 3.5 mm, and a 5.5 mm thick plywood laminated on one side of the vibration control panel. The results are shown in Table (b). This also shows a high loss coefficient equivalent to that of the first embodiment.
【００１６】 [0016]
【００１７】[0017]
【発明の効果】本発明に係る制振パネルは、以上のよう
に、鋼板や合板等からなる基材に制振シートをサンドイ
ッチし、あるいはその表面に貼着してなる制振パネルに
おいて、制振シートを、アクリル系樹脂とメタクリル系
樹脂の共重合体に粒径数μｍ〜数十μｍの金属粉を充填
させてなる、ヤング率が１０8 Ｎ／ m2 以上の高剛性の
ものとしたものであるため、そのパネルに加わる振動を
効果的に抑えることが出来る。INDUSTRIAL APPLICABILITY As described above, the damping panel according to the present invention is a damping panel formed by sandwiching a damping sheet on a base material made of a steel plate, plywood or the like, or by sticking it to the surface thereof. The vibration sheet is made of a copolymer of acrylic resin and methacrylic resin filled with metal powder having a particle diameter of several μm to several tens of μm, and has a high rigidity with a Young's modulus of 10 8 N / m 2 or more. Therefore, the vibration applied to the panel can be effectively suppressed.
【図１】本発明の実施例１の断面図。FIG. 1 is a sectional view of a first embodiment of the present invention.
【図２】本発明の実施例２の断面図。FIG. 2 is a sectional view of a second embodiment of the present invention.
１ 制振シート ２ 基材 1 Damping sheet 2 Base material
Claims (1)
重合体に粒径数μｍ〜数十μｍの金属粉を充填させてな
る、ヤング率が１０ 8Ｎ／ m2 以上の高剛性の制振シー
ト１を、金属や木質などからなる基材２と積層してなる
ことを特徴とする制振パネル。1. A highly rigid vibration damper having a Young's modulus of 10 8 N / m 2 or more, which is obtained by filling a copolymer of acrylic resin and methacrylic resin with metal powder having a particle diameter of several μm to several tens of μm. A vibration-damping panel comprising a sheet 1 and a base material 2 made of metal, wood, or the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12941091A JPH05200937A (en) | 1991-05-31 | 1991-05-31 | Damping panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12941091A JPH05200937A (en) | 1991-05-31 | 1991-05-31 | Damping panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05200937A true JPH05200937A (en) | 1993-08-10 |
Family
ID=15008854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12941091A Pending JPH05200937A (en) | 1991-05-31 | 1991-05-31 | Damping panel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05200937A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4899017A (en) * | 1987-07-27 | 1990-02-06 | Mobil Oil Corporation | Process for the selective separation of para-xylene from C8 aromatic mixtures |
-
1991
- 1991-05-31 JP JP12941091A patent/JPH05200937A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4899017A (en) * | 1987-07-27 | 1990-02-06 | Mobil Oil Corporation | Process for the selective separation of para-xylene from C8 aromatic mixtures |
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