JPH0257736A - Manufacture of vibration preventive bushing - Google Patents
Manufacture of vibration preventive bushingInfo
- Publication number
- JPH0257736A JPH0257736A JP20639788A JP20639788A JPH0257736A JP H0257736 A JPH0257736 A JP H0257736A JP 20639788 A JP20639788 A JP 20639788A JP 20639788 A JP20639788 A JP 20639788A JP H0257736 A JPH0257736 A JP H0257736A
- Authority
- JP
- Japan
- Prior art keywords
- heating
- outer cylinder
- rubber
- current
- high frequency
- 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 abstract description 11
- 230000003449 preventive effect Effects 0.000 title 1
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 229920001971 elastomer Polymers 0.000 claims abstract description 20
- 230000006698 induction Effects 0.000 claims abstract description 5
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 9
- 230000006866 deterioration Effects 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
- F16F1/3842—Method of assembly, production or treatment; Mounting thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2226/00—Manufacturing; Treatments
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分舒〉
本発明は、例えば自動車のサスベンジ璽ンアーム支持部
などに用いられる防振ブツシュの製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application> The present invention relates to a method for manufacturing a vibration-proof bushing used, for example, in a suspension arm support section of an automobile.
〈従来の技術〉
自動車のサスペンションアームやリンク類などのピボッ
ト支持部に用いられる部品に、内筒と外筒との間にゴム
体を介装した防振ブツシュがある。この防振ブツシュを
製造するには、第2図(a)〜(b)に示すように、ま
ず、略円筒形の内筒11の外周面上に未加硫のゴム体を
設けてこれを加硫することにより内筒11の外周面上に
ゴム体12が接着された結合体13を製造する。次いで
、この結合体13を、予め内周面に加硫接着剤14を塗
布した外筒15に圧入し、その後、熱風、スチームによ
り外筒15を接着剤14の反応温度以上に昇温して外筒
15とゴム体12とを接着する。<Prior Art> Anti-vibration bushings, in which a rubber body is interposed between an inner cylinder and an outer cylinder, are used as parts for pivot supports such as automobile suspension arms and links. To manufacture this anti-vibration bushing, first, as shown in FIGS. 2(a) and 2(b), an unvulcanized rubber body is provided on the outer peripheral surface of the approximately cylindrical inner cylinder 11. By vulcanizing, a combined body 13 in which the rubber body 12 is adhered to the outer peripheral surface of the inner cylinder 11 is manufactured. Next, this combined body 13 is press-fitted into an outer cylinder 15 whose inner peripheral surface is coated with a vulcanized adhesive 14 in advance, and then the outer cylinder 15 is heated to a temperature higher than the reaction temperature of the adhesive 14 using hot air or steam. The outer cylinder 15 and the rubber body 12 are bonded together.
しかしながら、上述した方法によると外筒15とゴム体
12とを接着するための熱風、スチームによる加熱条件
が130〜180℃で20〜120分間となるため、接
着力があまり向上せず、逆にゴムが劣化してヘタリや製
品特性が低下してしまうという問題がある。However, according to the above-mentioned method, the heating conditions using hot air and steam for bonding the outer cylinder 15 and the rubber body 12 are 130 to 180 degrees Celsius for 20 to 120 minutes, so the adhesive strength does not improve much; There is a problem that the rubber deteriorates, resulting in stiffness and deterioration of product properties.
そこで、このようなゴムの劣化を防止するためζζ、ヒ
ータを外筒15に直接接触させたリ、近赤外線を照射し
たり、あるいは熱媒体溶液中に浸漬したりして加熱時間
を短縮する方法が提案されている(特開昭56−552
40号公報)。Therefore, in order to prevent such deterioration of the rubber, there is a method of shortening the heating time by bringing the heater into direct contact with the outer cylinder 15, irradiating it with near-infrared rays, or immersing it in a heat medium solution. has been proposed (Japanese Unexamined Patent Publication No. 56-552)
Publication No. 40).
〈発明が解決しようとする課題〉
しかし、上述したようにヒータ、近赤外線あるいは熱媒
体溶液を用いて加熱する場合には、加熱設備を予め温め
ておかなければならず、ランニングコストが大となるな
どの問題がある。<Problem to be solved by the invention> However, as mentioned above, when heating using a heater, near-infrared rays, or heat medium solution, the heating equipment must be warmed in advance, which increases running costs. There are problems such as.
本発明はこのような事情に嫌み、ゴムが劣化しないよう
な短時間加熱により外筒とゴム体とを接着でき、且つ製
造コストを低減できる防振ブツシュの製造方法を提供す
ることを目的とする。The purpose of the present invention is to provide a method for manufacturing a vibration-proof bushing that can bond an outer cylinder and a rubber body by heating for a short time without degrading the rubber, and can reduce manufacturing costs. .
く課題を解決するための手段〉
前記目的を達成する本発明にかかる防振ブツシュの製造
方法は、内筒の外周面にゴム体を加硫接着した結合体を
形成すると共に、内周面に加硫接着剤を塗布した外筒に
上記結合体を圧入し、その後当該外筒と当該結合体とを
加熱接着して防振ブツシュとする防振ブツシュの製造方
法において、上記外筒と上記結合体との加熱接着を高周
波電流による誘導加熱により行うことを特徴とする。Means for Solving the Problems> A method for manufacturing a vibration-proof bushing according to the present invention that achieves the above object forms a combined body in which a rubber body is vulcanized and bonded to the outer circumferential surface of an inner cylinder, and In the method for manufacturing a vibration-proof bushing, the above-mentioned combined body is press-fitted into an outer cylinder coated with a vulcanizing adhesive, and then the external cylinder and the combined body are bonded by heating to form a vibration-proof bushing. It is characterized by heat bonding to the body by induction heating using high frequency current.
く作 用〉
結合体を圧入した外筒を加熱コイル内に設置して該加熱
コイルに高周波電流を流すと、外筒に誘導電流が流れて
当該外筒が短時間に加熱される。また、加熱コイルには
、加熱時のみ高周波電流を流せばよい。Function> When the outer cylinder into which the combined body is press-fitted is placed in a heating coil and a high frequency current is passed through the heating coil, an induced current flows through the outer cylinder and the outer cylinder is heated in a short time. Furthermore, high frequency current may be passed through the heating coil only during heating.
く実 施 例〉 以下、本発明を実IIfi例に基づいて説明する。Example of implementation Hereinafter, the present invention will be explained based on an actual IIfi example.
まず、外径20IIff11の内筒の外周にJISA硬
度506の天然ゴムを被覆して金型で加硫し、内筒とゴ
ム体とを接着した結合体をつくる。First, natural rubber having a JISA hardness of 506 is coated on the outer periphery of an inner cylinder having an outer diameter of 20IIff11, and is vulcanized in a mold to create a combined body in which the inner cylinder and the rubber body are adhered.
次いで、内周面に予め加硫接着剤を塗布した内径48職
の外筒に、上記結合体を圧入し、これを誘導電流加熱襞
に設置する。この状態を第1図に概念的に示す。図中、
10は加熱コイル、11、は内筒、12はゴム体、15
ば外筒を示す。Next, the above-mentioned combined body is press-fitted into an outer cylinder having an inner diameter of 48 mm, the inner peripheral surface of which has been previously coated with a vulcanizing adhesive, and placed in the induced current heating folds. This state is conceptually shown in FIG. In the figure,
10 is a heating coil, 11 is an inner cylinder, 12 is a rubber body, 15
shows the outer cylinder.
加熱コイル10に高周波電流を10〜20秒流すことに
より外筒15に誘導電流が流れ、外筒15が150〜1
80℃に加熱された。By passing a high frequency current through the heating coil 10 for 10 to 20 seconds, an induced current flows through the outer cylinder 15, causing the outer cylinder 15 to
It was heated to 80°C.
これにより、外筒15とゴム体12とが加硫接着された
。As a result, the outer cylinder 15 and the rubber body 12 were vulcanized and bonded.
このように誘導電流により加熱する方法を採用すると、
外筒には短時間で最低限の熱を与えればすむので、ゴム
劣化を最低限に低減することができる。また、加熱コイ
ル10には、加熱時のみに電流を流せばよいので製造コ
ストが低減される。さらに、加熱条件、例えば温度、時
間のコントロールを電気的にできるので、#御が容易で
あるという効果も得られる。By adopting this heating method using induced current,
Since it is sufficient to apply the minimum amount of heat to the outer cylinder in a short period of time, rubber deterioration can be reduced to a minimum. Furthermore, since it is only necessary to apply current to the heating coil 10 during heating, manufacturing costs are reduced. Furthermore, since heating conditions such as temperature and time can be electrically controlled, the effect of easy control can also be obtained.
〈発明の効果〉
以上説明したように、本発明によると、ゴムの劣化を最
低限に抑えた方法により防振ブツシユを低フストで製造
できるという効果を奏する。<Effects of the Invention> As explained above, according to the present invention, a vibration-proof bushing can be manufactured with low lift by a method that minimizes deterioration of rubber.
第1図は本発明の実施例を概念的に示す説明図、第2図
(a)〜(0)は防振ブツシュの一例を示す説明図であ
る。
図 面 中、
10は加熱コイル、
11は内筒、
12はゴム体、
13は結合体、
14は加硫接着剤、
15は外筒である。
特許用
北辰工
代 理FIG. 1 is an explanatory diagram conceptually showing an embodiment of the present invention, and FIGS. 2(a) to (0) are explanatory diagrams showing an example of a vibration-proof bushing. In the drawing, 10 is a heating coil, 11 is an inner cylinder, 12 is a rubber body, 13 is a combined body, 14 is a vulcanized adhesive, and 15 is an outer cylinder. Osamu Hokushin Kogyo for patents
Claims (1)
と共に、内周面に加硫接着剤を塗布した外筒に上記結合
体を圧入し、その後当該外筒と当該結合体とを加熱接着
して防振ブッシュとする防振ブッシュの製造方法におい
て、上記外筒と上記結合体との加熱接着を高周波電流に
よる誘導加熱により行うことを特徴とする防振ブッシュ
の製造方法。A combined body is formed by vulcanizing and adhering a rubber body to the outer peripheral surface of the inner cylinder, and the combined body is press-fitted into an outer cylinder whose inner peripheral surface is coated with a vulcanizing adhesive, and then the outer cylinder and the combined body are bonded together. A method of manufacturing a vibration isolating bush in which the outer cylinder and the combined body are thermally bonded to each other by induction heating using a high frequency current.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20639788A JPH0257736A (en) | 1988-08-22 | 1988-08-22 | Manufacture of vibration preventive bushing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20639788A JPH0257736A (en) | 1988-08-22 | 1988-08-22 | Manufacture of vibration preventive bushing |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0257736A true JPH0257736A (en) | 1990-02-27 |
Family
ID=16522678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20639788A Pending JPH0257736A (en) | 1988-08-22 | 1988-08-22 | Manufacture of vibration preventive bushing |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0257736A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0620106A1 (en) * | 1993-03-29 | 1994-10-19 | Kinugawa Rubber Ind. Co., Ltd. | Method of producing vibration insulator |
NL1036199C2 (en) * | 2008-11-14 | 2009-10-06 | Bernardus Hendricus Arnoldus Maria Roelofs | Construction material curing method for structure, involves affixing metal plates having magnetic components to structure, and heating metal plates through induction |
-
1988
- 1988-08-22 JP JP20639788A patent/JPH0257736A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0620106A1 (en) * | 1993-03-29 | 1994-10-19 | Kinugawa Rubber Ind. Co., Ltd. | Method of producing vibration insulator |
NL1036199C2 (en) * | 2008-11-14 | 2009-10-06 | Bernardus Hendricus Arnoldus Maria Roelofs | Construction material curing method for structure, involves affixing metal plates having magnetic components to structure, and heating metal plates through induction |
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