JPS62215123A - Sliding bearing and its process - Google Patents
Sliding bearing and its processInfo
- Publication number
- JPS62215123A JPS62215123A JP5664886A JP5664886A JPS62215123A JP S62215123 A JPS62215123 A JP S62215123A JP 5664886 A JP5664886 A JP 5664886A JP 5664886 A JP5664886 A JP 5664886A JP S62215123 A JPS62215123 A JP S62215123A
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- resin material
- base material
- bearing member
- sliding
- 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
- 238000000034 method Methods 0.000 title claims description 11
- 239000000463 material Substances 0.000 claims abstract description 110
- 239000011347 resin Substances 0.000 claims abstract description 41
- 229920005989 resin Polymers 0.000 claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 238000002844 melting Methods 0.000 claims abstract description 15
- 230000008018 melting Effects 0.000 claims abstract description 15
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 6
- 239000000057 synthetic resin Substances 0.000 claims abstract description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract 3
- 238000001746 injection moulding Methods 0.000 claims description 7
- -1 polyphenylene Polymers 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 4
- 229920000570 polyether Polymers 0.000 claims description 4
- 239000004697 Polyetherimide Substances 0.000 claims description 3
- 229920000265 Polyparaphenylene Polymers 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 239000005011 phenolic resin Substances 0.000 claims description 3
- 229920002492 poly(sulfone) Polymers 0.000 claims description 3
- 229920006122 polyamide resin Polymers 0.000 claims description 3
- 229920001225 polyester resin Polymers 0.000 claims description 3
- 239000004645 polyester resin Substances 0.000 claims description 3
- 229920001601 polyetherimide Polymers 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 239000009719 polyimide resin Substances 0.000 claims description 3
- 229920005672 polyolefin resin Polymers 0.000 claims description 3
- 208000035484 Cellulite Diseases 0.000 claims description 2
- 206010049752 Peau d'orange Diseases 0.000 claims description 2
- 230000036232 cellulite Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims 1
- 102100030695 Electron transfer flavoprotein subunit alpha, mitochondrial Human genes 0.000 claims 1
- 101001010541 Homo sapiens Electron transfer flavoprotein subunit alpha, mitochondrial Proteins 0.000 claims 1
- 229920001568 phenolic resin Polymers 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 238000002347 injection Methods 0.000 abstract description 12
- 239000007924 injection Substances 0.000 abstract description 12
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 239000006096 absorbing agent Substances 0.000 description 4
- 230000008602 contraction Effects 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 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
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
Description
【発明の詳細な説明】
「技術分野」
本発明は、回転および往復動する軸を軸支するすべり軸
受およびその製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION TECHNICAL FIELD The present invention relates to a sliding bearing that supports a shaft that rotates and reciprocates, and a method for manufacturing the same.
「従来技術およびその問題点」
この種のすべり＋ｌｔ＋Ｉ＋受は、エンジンを含む車両
の各部、各種の油圧機器等に広く用いられており、軸と
の摩擦抵抗を減らすために、筒状の軸受基材の内面に、
低摩擦性の軸受部制を一体化することが行なわれている
。この軸受部材は従来、裏金からなる軸受基材表面に銅
等の金属を焼結し、その上に低摩擦性の樹脂を含浸焼成
して一体化させたバイメタル材からなるのが普通であっ
た。しかしこの従来のすべり軸受は、製造工程が複雑で
あるのみならず、その寸法粒度を高めることが困難とい
う問題があった。"Prior art and its problems" This type of sliding +lt+I+ bearing is widely used in various parts of vehicles including engines and various hydraulic equipment. On the inside of the material,
Efforts are being made to integrate low-friction bearing systems. Conventionally, this bearing member was usually made of a bimetallic material, which was made by sintering metal such as copper on the surface of the bearing base material, which was made of a backing metal, and then impregnating and firing a low-friction resin on top of the sintered metal. . However, this conventional sliding bearing has problems not only in that the manufacturing process is complicated, but also in that it is difficult to increase its dimensional granularity.
これに対し、ヨーロッパ公開ＥＰ７３５９６八］ で提
案されているすべり軸受は、軸受基材の内面に複数の環
状突起と溝を形成する一方、この軸受基材の内面に、フ
ッ素系樹脂材料のシートを環状にして位置させ、このシ
ートの内側に加熱された基準円筒面を有する成形治具を
挿人することにより、シートを塑性変形させて軸受基材
の溝内に食い込ませるものて、軸受部材と軸受基材との
一体性に優れるという利点がある。しかしながらこのす
べり軸受は、製造時にその軸受基材もまた加熱しなけれ
ばならないため、これを金属材料から形成しなければな
らず、したがフて環状突起および溝を含む機械加工が不
可欠で、加工コストが高い。のみならず、最近の軽量化
の要求に十分応えることができない。またその製造工程
を見ると、フッ素系樹脂材料からなるシートを軸受基材
の内面に正確に位置決めすることが困難で、また加熱さ
れた成形治具をシートの内側に通過させるための条件も
難しい問題を含んでいる。On the other hand, the sliding bearing proposed in European Publication EP 735968 has a plurality of annular protrusions and grooves formed on the inner surface of the bearing base material, and a sheet of fluororesin material on the inner surface of the bearing base material. By inserting a forming jig having a heated reference cylindrical surface into the inner side of the sheet, the sheet is plastically deformed to bite into the groove of the bearing base material. It has the advantage of excellent integration with the bearing base material. However, this plain bearing must be formed from a metal material because the bearing base material must also be heated during manufacture, and therefore machining including annular protrusions and grooves is essential. High cost. In addition, it cannot sufficiently meet recent demands for weight reduction. In addition, looking at the manufacturing process, it is difficult to accurately position the sheet made of fluororesin material on the inner surface of the bearing base material, and the conditions for passing the heated molding jig inside the sheet are also difficult. contains problems.
「発明の目的」
本発明は、このような従来のすべり軸受の問題点を一挙
に解消できる、製造工程が単純で加工コストが安く、し
かも軽量化を図ることができるすべり軸受を得ることを
目的とする。"Purpose of the Invention" The purpose of the present invention is to obtain a sliding bearing that can solve the problems of conventional sliding bearings at once, has a simple manufacturing process, has low processing costs, and is lightweight. shall be.
「発明の概要」
本発明は、すべり軸受の軸受基材は金属材料でなければ
ならないという常識を再検討した結果、これを合成樹脂
材料から構成しても何等問題なく、しかも合成樹脂材料
から構成すれば、加工コストが安く、軽量化が図れ、さ
らに軸受形状を自由に選べるという着想の下になされた
ものである。すなわち本発明のすべり軸受は、軸との慴
動部分を構成する軸受部材はフッ素系樹脂材料から構成
し、軸受基材はこのフッ素系樹脂材料より融点の低い合
成樹脂材料から構成したことを特徴とすものである。"Summary of the Invention" As a result of reconsidering the common knowledge that the bearing base material of a sliding bearing must be made of a metal material, the present invention found that there is no problem in constructing it from a synthetic resin material. This was done with the idea that processing costs would be low, weight could be reduced, and the shape of the bearing could be freely selected. That is, the sliding bearing of the present invention is characterized in that the bearing member that constitutes the sliding portion with the shaft is made of a fluororesin material, and the bearing base material is made of a synthetic resin material whose melting point is lower than that of the fluororesin material. It is something.
また本発明方法は、以上のすべり軸受を効率的にかつ高
粒度で製造できる方法を提案するもので、フッ素系樹脂
材料については、任意の方法でこれを最初に軸受部材と
して形成し、この軸受部材を、コアの外周に嵌めてその
内面の摺動面をコアの基準円筒面に密着させ、このコア
の外側に、該軸受部材より融点の低い樹脂材料を成形し
て軸受基材を形成するようにしたことを特徴としている
。コアは、軸受部材の成形時に同時に加熱することによ
り、コアの基準円筒面の形状を軸受部材に移し、正確な
慴動径を得ることができる。In addition, the method of the present invention proposes a method for manufacturing the above-mentioned sliding bearings efficiently and with high particle size.As for the fluororesin material, it is first formed as a bearing member by any method, and the bearing member is The member is fitted onto the outer periphery of the core so that its inner sliding surface is in close contact with the reference cylindrical surface of the core, and a resin material having a melting point lower than that of the bearing member is molded on the outside of the core to form a bearing base material. It is characterized by the fact that By heating the core at the same time as forming the bearing member, the shape of the reference cylindrical surface of the core can be transferred to the bearing member, and an accurate sliding diameter can be obtained.
「発明の実施例」
以下図示実施例について本発明を説明する。第１図は、
本発明のすべり軸受の完成状態を示すもので、軸受暴利
１１の内面に軸受部材１２が一体にされている。内面を
慴動面とする軸受部材１２は、低摩擦性のフッ素系樹脂
材料から構成され、軸受暴利１１は、この軸受部材１２
より融点が低く、かつ軸受基材としての機械的強度を有
する樹脂材料から構成されている。"Embodiments of the Invention" The present invention will be described below with reference to illustrated embodiments. Figure 1 shows
This figure shows the completed state of the sliding bearing of the present invention, in which a bearing member 12 is integrated with the inner surface of a bearing 11. The bearing member 12 whose inner surface is a sliding surface is made of a low-friction fluororesin material.
It is made of a resin material that has a lower melting point and has the mechanical strength as a bearing base material.
このような樹脂材料としては、まず軸受部材１２は、Ｐ
ＴＦＥ、 ＰＩ’Δ、ｌ１ＴＦ八またはＦＥＰの単体、
またはこれらと充填材の混合物から構成するのが適当で
あり、また軸受基材１１としては、ポリフェニレンセル
ファイド（ｐｐｓ） 、ポリブチレンテレフタレート（
ＰＢＴ） 、ポリアミド系樹脂材料、ポリイミド系樹脂
材料、芳香族ポリエステル系樹脂材料（例えば商品名コ
コノール）、ポリエーテル系樹脂材料、ポリエーテル系
樹脂材料、ポリエーテルイミド系樹脂材料、ポリスルフ
ォン系樹脂材料（ＩＩＥｓ、ＰＳＦ） 、ポリオレフィ
ン系樹脂材料、またはフェノール系樹脂材料の単体また
はこれらと充填材の混合物であって、」二記融点の条件
を満足するものを用いることが可能である。As such a resin material, the bearing member 12 is first made of P.
TFE, PI'Δ, l1TF8 or FEP alone,
Alternatively, the bearing base material 11 may be composed of polyphenylene cellulite (pps), polybutylene terephthalate (
PBT), polyamide resin materials, polyimide resin materials, aromatic polyester resin materials (for example, product name Coconol), polyether resin materials, polyether resin materials, polyetherimide resin materials, polysulfone resin materials (IIEs, PSF), a polyolefin resin material, or a phenol resin material alone or a mixture of these and a filler, which satisfies the condition of "double melting point" can be used.
−」二記充填材としては、ガラス繊維、炭素繊維、アル
ミナ繊維、芳香族ポリアミド繊維等の有機繊維、金属繊
維等の繊維状のもの、カラスビーズ、カーホン、シリカ
、タルク等の粒状粒子のもの、あるいはフラファイト、
マイカ等の片状粒子のもの等を用いることができる。- Fillers mentioned in 2 are organic fibers such as glass fibers, carbon fibers, alumina fibers, and aromatic polyamide fibers, fibrous materials such as metal fibers, and granular particles such as glass beads, carphone, silica, and talc. , or Fluffite,
It is possible to use flaky particles such as mica.
軸受部材１２の外面には、軸受基材１１との一体性を高
める目的で、環状または非環状の突起１２ａを形成する
ことができる。軸受基材１１に対する回り止めを図るに
は、この突起１２ａを環状以外の形状にする。第２図の
ように軸受部材１２の内面をフラットにし、これの上下
端部を軸受基材１１で押えるようにしてもよい。An annular or non-annular protrusion 12a may be formed on the outer surface of the bearing member 12 for the purpose of increasing the integrity with the bearing base material 11. In order to prevent the bearing base material 11 from rotating, the protrusion 12a is formed into a shape other than an annular shape. As shown in FIG. 2, the inner surface of the bearing member 12 may be made flat, and the upper and lower ends thereof may be pressed by the bearing base material 11.
第３図、第４図は以上のずベリ軸受を製造するだめの本
発明による製造方法を示すものである。FIGS. 3 and 4 show a manufacturing method according to the present invention for manufacturing the above-mentioned flat bearing.
まず軸受部材１２は、第３図に示すように最初に筒状に
形成して用意する。この軸受部材１２の成形方法は問わ
ないが、フッ素系樹脂材料は、一般的に射出成形が困難
とされている。このため、例えば粉体の焼結、機械加工
等の方法でこれを作ることがてきる。突起１２ａは、こ
れを形成する場合、切削あるいは転造によって形成する
ことができる。First, the bearing member 12 is prepared by first forming it into a cylindrical shape as shown in FIG. Although the method of molding the bearing member 12 is not limited, it is generally difficult to injection mold a fluororesin material. Therefore, it can be made by, for example, sintering powder, machining, or the like. When forming the protrusion 12a, it can be formed by cutting or rolling.
以上の軸受部材１２は、基準円筒面１３ａを有するコア
１３の外周に嵌められる。コア１３は、軸受基材下型１
４の摺動孔１４ａ内を慴動可能であり、かつ図示しない
加熱装置により加熱されるようになっている。軸受基材
下型１４は、軸受基材１１の形状に対応した樹脂注入空
間１４ｂを有していて、この軸受基材下型１４の上に軸
受基材」二型１５が被せられる。軸受基材下型１５は、
軸受基材下型１４の上面開口を塞いて、軸受基材１１の
」二面形状を規定する形状規定面１５ａを存する。そし
てこの軸受基材下型１５は、形状規定面１５ａに開１コ
し樹脂注入空間１４ｂに通ずる樹脂脂性入路１５ｂを有
しており、ここから軸受部材１２より融点の低い樹脂材
料が射出される。The above bearing member 12 is fitted onto the outer periphery of the core 13 having the reference cylindrical surface 13a. The core 13 is a bearing base material lower mold 1
It can be slid within the sliding hole 14a of No. 4, and is heated by a heating device (not shown). The lower bearing base mold 14 has a resin injection space 14b corresponding to the shape of the bearing base 11, and a second bearing base mold 15 is placed on the lower bearing base mold 14. The bearing base material lower mold 15 is
There is a shape defining surface 15a that closes the upper opening of the lower bearing base mold 14 and defines the two-sided shape of the bearing base 11. The lower bearing base mold 15 has a resin inlet passage 15b that opens on the shape defining surface 15a and communicates with the resin injection space 14b, from which a resin material having a lower melting point than the bearing member 12 is injected. Ru.
すなわちコア１３の外周に軸受部材１２を嵌めた後、コ
ア１３、軸受基材下型１４および軸受基材上型１５を第
４図のようにセットし、溶融した樹脂材料を樹脂注入路
１５ｂから樹脂注入空間１４ｂ内に射出すると、軸受部
材１２の外側に軸受基材１１が成形されて一体化される
こととなる。この射出成形する樹脂材料は、軸受部材１
２を溶融させることのない温度で溶融するものであり、
前述の樹脂材料が使用される。That is, after fitting the bearing member 12 around the outer periphery of the core 13, the core 13, the bearing base material lower mold 14, and the bearing base material upper mold 15 are set as shown in FIG. 4, and the molten resin material is poured from the resin injection path 15b. When the resin is injected into the resin injection space 14b, the bearing base material 11 is molded on the outside of the bearing member 12 and integrated therewith. This injection molded resin material is used for bearing member 1
It melts at a temperature that does not melt 2,
The resin materials mentioned above are used.
具体的な温度でいうと、例えば軸受部材１２の融点が３
００℃である場合、軸受基材１１となる樹脂材料の融点
は３００℃未満であることを要する。In terms of specific temperatures, for example, the melting point of the bearing member 12 is 3
00°C, the melting point of the resin material forming the bearing base material 11 needs to be less than 300°C.
また突起１２ａを形成する場合、これを切削で形成する
か、転造で形成するかによっても、軸受基材１１を構成
する樹脂材料は制約を受ける。すなわち切削で形成する
場合、軸受部材１２が融点以下の比較的高い温度に加熱
されても突起１２ａの形状はそのまま維持されるが、転
造で形成する場合には、加熱温度が高いと突起１２ａが
元の平担面に戻る可能性がある。よって軸受基材１１と
しては比較的融点の低い材料を使用する必要がある。上
の例ては、突起１２ａを約３００℃で転造により形成し
た場合、軸受基材１１の樹脂材料の融点は２７０℃程度
が限度となる。Further, when forming the protrusion 12a, the resin material constituting the bearing base material 11 is subject to restrictions depending on whether the protrusion 12a is formed by cutting or rolling. That is, when forming by cutting, the shape of the protrusion 12a is maintained even if the bearing member 12 is heated to a relatively high temperature below the melting point, but when forming by rolling, the shape of the protrusion 12a is maintained when the heating temperature is high. may return to its original flat surface. Therefore, it is necessary to use a material with a relatively low melting point as the bearing base material 11. In the above example, when the projections 12a are formed by rolling at about 300°C, the melting point of the resin material of the bearing base material 11 is limited to about 270°C.
以上の射出成形時には、コア１３を、軸受部材１２の転
造温度以下で十分軟化する程度に加熱（１５０〜２４０
℃）することが望ましい。このように加熱すると、コア
１３の基準円筒面１３ａの形状がそのまま軸受部材１２
の内面に移されるため、寸法精度の極めて高いすべり軸
受を得ることができる。勿論基準円筒面１３ａの径は、
射出成形後の軸受基材１１および軸受部材１２の収縮を
見込んで決定する。During the above injection molding, the core 13 is heated (150 to 240
℃) is desirable. When heated in this way, the shape of the reference cylindrical surface 13a of the core 13 remains unchanged in the bearing member 12.
Since the bearing is transferred to the inner surface of the bearing, it is possible to obtain a sliding bearing with extremely high dimensional accuracy. Of course, the diameter of the reference cylindrical surface 13a is
This is determined in anticipation of shrinkage of the bearing base material 11 and bearing member 12 after injection molding.
なおこの熱収縮の大きさは、軸受基材１１の半径方向の
厚さによって異なり、厚さが大きい程径方向の収縮が大
きくなる。よってこの熱収縮の差を利用して軸受部材１
２の内面形状を設定することが可能である。すなわち軸
受基材１１の半径方向の厚さを、射出成形後の収縮を考
慮して軸受部材１２の所要の内周面形状が得られるよう
に、軸方向に異ならせるのである。第５図はその例を示
すもので、軸受基材１１の径は、その軸方向の両端の径
ｒ１、ｒ２に比し、中央部の径ｒ３が大きく設定されて
いる。このように半径を異ならせると、中央部の熱収縮
が大きくなるため、軸受部材１２の内面の形状は図に誇
張して示すように、中央部の径が小さく両端が大きい鼓
型、あるいはこれに似た形とすることができる。この形
によると、軸受部材１２内に挿通する軸にある程度の傾
きが生じても「かじり」等が生じることがない。ｌｌｌ
１ｌＩ受基材１１は、以上の成形が終了した後、例えば
切断線入−Ａ’で切断することができる。Note that the magnitude of this thermal contraction varies depending on the radial thickness of the bearing base material 11, and the larger the thickness, the greater the radial contraction. Therefore, by utilizing this difference in thermal contraction, the bearing member 1
It is possible to set two inner surface shapes. That is, the thickness of the bearing base material 11 in the radial direction is varied in the axial direction so that the desired shape of the inner peripheral surface of the bearing member 12 can be obtained in consideration of shrinkage after injection molding. FIG. 5 shows an example of this, in which the diameter of the bearing base material 11 is set such that the diameter r3 at the center is larger than the diameters r1 and r2 at both ends in the axial direction. If the radii are made different in this way, the heat shrinkage in the central part will be large, so the shape of the inner surface of the bearing member 12 should be a drum-shaped shape with a small diameter at the center and large at both ends, as shown exaggeratedly in the figure, or this It can be shaped similar to. According to this shape, even if the shaft inserted into the bearing member 12 is tilted to some extent, "galling" or the like will not occur. lll
After the above molding is completed, the 1lI receiving base material 11 can be cut, for example, along the cutting line -A'.
第６図は本発明のすべり軸受をショックアブソーバに適
用した実施例を示すものである。図示ショックアブソー
バの構造を簡単に説明すると、内部にシリンダ１を収納
したアウタシェル２の下端部は図示しない車輪側に連結
するものであり、シリンダ１内に摺動自在に嵌合したピ
ストン３のピストンロッド４はその上端部を車体側に連
結する。シリンダ１とアウタシェル２の間の空間は粘性
流体のリザーバ５を構成する。シリンダ１とアウタシェ
ル２の上端には、本発明によるガイドブシュＧが固定さ
れていて、ピストンロッド４がこのガイドブシュＧおよ
びオイルシール６通過して上方に延びている。７はガイ
ドブシュＧおよびオイルシール６の外筒である。ピスト
ン３にはバルブ８が設けられていて、このバルブ８を通
過する粘性流体の抵抗により減衰力が発揮される。FIG. 6 shows an embodiment in which the sliding bearing of the present invention is applied to a shock absorber. Briefly explaining the structure of the illustrated shock absorber, the lower end of the outer shell 2 housing the cylinder 1 therein is connected to the wheel side (not shown), and the piston 3 is slidably fitted into the cylinder 1. The rod 4 connects its upper end to the vehicle body side. The space between the cylinder 1 and the outer shell 2 constitutes a viscous fluid reservoir 5. A guide bush G according to the present invention is fixed to the upper ends of the cylinder 1 and outer shell 2, and the piston rod 4 passes through the guide bush G and oil seal 6 and extends upward. 7 is an outer cylinder of the guide bush G and the oil seal 6. The piston 3 is provided with a valve 8, and a damping force is exerted by the resistance of the viscous fluid passing through the valve 8.
以上のショックアブソーバでは、ガイドブシュＧに対し
ピストンロッド４が摺動するため、ガイドブシュＧは、
摩擦抵抗が小さいこと、シール性が高いこと、長期に渡
って安定した性質を示すこと等が要求されるが、本発明
のガイドブシュ（すべり軸受）によれば、以上のすべて
について非常に優れた性能を得ることができる。In the above shock absorber, since the piston rod 4 slides on the guide bush G, the guide bush G is
The guide bush (sliding bearing) of the present invention is required to have low frictional resistance, high sealing performance, and stable properties over a long period of time. performance can be obtained.
第７図は本発明のすべり軸受をコピー機械等の軸受に適
用した実施例を示す。この実施例は、軸受部材１２の外
側に成形する軸受基材１１を、ガイドロッド２０の支持
部材２１と一体に、上記樹脂材料によって形成したもの
である。ガイドロッド２０には適宜の摺動部材が支持さ
れる。このように軸受基材１１の形状は任意のものとす
ることができる。FIG. 7 shows an embodiment in which the sliding bearing of the present invention is applied to a bearing for a copy machine or the like. In this embodiment, the bearing base material 11 molded on the outside of the bearing member 12 is formed integrally with the support member 21 of the guide rod 20 from the above resin material. A suitable sliding member is supported on the guide rod 20. In this way, the shape of the bearing base material 11 can be arbitrary.
なお軸受基材１１は、射出成形の他、粉体の圧縮成形に
よっても成形することができる。In addition to injection molding, the bearing base material 11 can also be molded by compression molding of powder.
「発明の効果」
以上のように本発明のすべり軸受は、軸受部材をフッ素
系樹脂材料から構成し、軸受基材をこのフッ素系樹脂材
料より融点の低い合成樹脂材料から構成したので、軽量
であり、かつ樹脂どうしの接合による一体性の高いすべ
り軸受が得られる。"Effects of the Invention" As described above, the sliding bearing of the present invention is lightweight because the bearing member is made of a fluororesin material and the bearing base material is made of a synthetic resin material with a lower melting point than the fluororesin material. Moreover, a sliding bearing with high integrity can be obtained by joining the resins together.
また本発明方法によれば、このすべり軸受を簡単に低コ
ストで製造することができ、しかもその精度を簡単に高
めることができる。特に軸受部材の外面に突起を設ける
と、軸受基材を構成する樹脂材料がこの突起を包み込む
形となるため、軸受部材と軸受基材との一体性が高まり
、耐圧強度および剛性が増すとともＩＣ，ＩＩ擦時特性
向トさせることかできる。Further, according to the method of the present invention, this sliding bearing can be easily manufactured at low cost, and its precision can be easily increased. In particular, when protrusions are provided on the outer surface of the bearing member, the resin material that makes up the bearing base material wraps around the protrusions, increasing the integrity of the bearing member and the bearing base material, increasing pressure resistance and rigidity. It is possible to improve the IC and II rubbing characteristics.
第１図、第２図はそれぞれ本発明によるすべり軸受の形
状例を示す縦断面図、第３図、第４図は本発明方法を示
すもので、第３図は軸受部材の半分を断面として示す正
面図、第４図は射出成形の状態を示す縦断面図、第５図
は熱収縮の差による軸受部材の内面形状の変化の状態を
誇張して示す縦断面図、第６図は本発明のすべり軸受を
ショックアブソーバに適用した例を示す断面図、第７図
はガイドロッドの案内部分に適用した実施例を示す断面
図である。
１１・・・軸受基材、１２・・・軸受部材、１２ａ・・
・突起、１３・・・コア、１３ａ・・・基準円筒面、１
４・・・軸受基材下型、１４ｂ・・・樹脂法人空間、１
５・・・軸受基材上型、１５ｂ・・・樹脂注入路、Ｇ・
・・ガイドブシュ（すべり軸受）。
第１図
第２図
第７図Figures 1 and 2 are longitudinal sectional views showing examples of the shape of a sliding bearing according to the present invention, Figures 3 and 4 illustrate the method of the present invention, and Figure 3 is a cross-sectional view of half of the bearing member. 4 is a longitudinal sectional view showing the state of injection molding, FIG. 5 is a longitudinal sectional view exaggerating the state of change in the inner surface shape of the bearing member due to the difference in thermal contraction, and FIG. 6 is a longitudinal sectional view showing the state of injection molding. FIG. 7 is a cross-sectional view showing an example in which the sliding bearing of the invention is applied to a shock absorber, and FIG. 7 is a cross-sectional view showing an example in which the sliding bearing of the invention is applied to a guide portion of a guide rod. 11... Bearing base material, 12... Bearing member, 12a...
・Protrusion, 13... Core, 13a... Reference cylindrical surface, 1
4...Bearing base material lower mold, 14b...Resin corporation space, 1
5...Bearing base material upper mold, 15b...Resin injection path, G.
...Guide bush (sliding bearing). Figure 1 Figure 2 Figure 7
Claims (10)
べり軸受において、上記軸受部材をフッ素系樹脂材料か
ら構成し、軸受基材をこのフッ素系樹脂材料より融点の
低い合成樹脂材料から構成したことを特徴とするすべり
軸受。(1) In a sliding bearing in which a bearing member is integrated into the inner surface of a bearing base material, the bearing member is made of a fluororesin material, and the bearing base material is made of a synthetic resin material with a melting point lower than that of the fluororesin material. A sliding bearing characterized by the following structure.
には、環状または非環状の突起が形成されているすべり
軸受。(2) The sliding bearing according to claim 1, wherein an annular or non-annular projection is formed on the outer surface of the bearing member.
ッ素系樹脂材料は、ＰＴＦＥ、ＰＦＡ、ＥＴＦＡまたは
ＦＥＰの単体、またはこれらと充填材の混合物からなっ
ているすべり軸受。(3) The sliding bearing according to claim 1 or 2, wherein the fluororesin material is made of PTFE, PFA, ETFA, or FEP alone, or a mixture of these and a filler.
において、軸受基材は、ポリフェニレンセルファイド、
ポリブチレンテレフタレート、ポリアミド系樹脂材料、
ポリイミド系樹脂材料、芳香属ポリエステル系樹脂材料
、ポリアソレート系樹脂材料、ポリエーテル系樹脂材料
、ポリエーテルイミド系樹脂材料、ポリスルフォン系樹
脂材料、ポリオレフィン系樹脂材料、またはフェノール
系樹脂材料の単体、またはこれらと充填材の混合物から
なっているすべり軸受。(4) In any one of claims 1 to 3, the bearing base material is polyphenylene cellulite,
Polybutylene terephthalate, polyamide resin materials,
A single substance of polyimide resin material, aromatic polyester resin material, polyisolate resin material, polyether resin material, polyetherimide resin material, polysulfone resin material, polyolefin resin material, or phenolic resin material, or Plain bearings made of a mixture of these and fillers.
受部材を、コアの外周に嵌めてその内面の摺動面をコア
の基準円筒面に密着させ、このコアの外側に、該軸受部
材より融点の低い樹脂材料を成形して軸受基材を形成す
ることを特徴とするすべり軸受の製造方法。(5) Form a bearing member from a fluororesin material, fit this bearing member around the outer periphery of the core so that its inner sliding surface is in close contact with the reference cylindrical surface of the core, and place the bearing member on the outside of the core. A method for manufacturing a plain bearing, comprising forming a bearing base material by molding a resin material with a lower melting point.
には、環状または非環状の突起が形成されているすべり
軸受の製造方法。(6) The method for manufacturing a sliding bearing according to claim 5, wherein an annular or non-annular protrusion is formed on the outer surface of the bearing member.
アは、軸受部材を軟化させる程度に加熱されすべり軸受
の製造方法。(7) The method of manufacturing a sliding bearing according to claim 5 or 6, wherein the core is heated to an extent that softens the bearing member.
において、軸受部材の外側に成形される軸受基材の半径
方向の厚さを、射出成形後の収縮を考慮して筒状摺動部
材の所要の内周面形状が得られるように、軸方向に異な
らせるすべり軸受の製造方法。(8) In any one of claims 5 to 7, the radial thickness of the bearing base material molded on the outside of the bearing member is adjusted to a cylindrical shape in consideration of shrinkage after injection molding. A method of manufacturing a sliding bearing in which the shape of the sliding member is varied in the axial direction so as to obtain the desired shape of the inner peripheral surface.
において、フッ素系樹脂材料は、ＰＴＦＥ、ＰＦＡ、Ｅ
ＴＦＡまたはＦＥＰの単体、またはこれらと充填材の混
合物からなっているすべり軸受の製造方法。(9) In either claim 5 or 8, the fluororesin material is PTFE, PFA, E
A method for manufacturing a sliding bearing made of TFA or FEP alone, or a mixture of these and a filler.
一において、軸受基材は、ポリフェニレンセルファイド
、ポリブチレンテレフタレート、ポリアミド系樹脂材料
、ポリイミド系樹脂材料、芳香属ポリエステル系樹脂材
料、ポリアソレート系樹脂材料、ポリエーテル系樹脂材
料、ポリエーテルイミド系樹脂材料、ポリスルフォン系
樹脂材料、ポリオレフィン系樹脂材料、またはフェノー
ル系樹脂材料の単体、またはこれらと充填材の混合物か
らなっているすべり軸受の製造方法。(10) In any one of claims 5 to 8, the bearing base material includes polyphenylene cellphide, polybutylene terephthalate, a polyamide resin material, a polyimide resin material, an aromatic polyester resin material, Sliding bearings made of a single polyasolate resin material, polyether resin material, polyetherimide resin material, polysulfone resin material, polyolefin resin material, or phenol resin material, or a mixture of these and a filler. manufacturing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5664886A JPS62215123A (en) | 1986-03-14 | 1986-03-14 | Sliding bearing and its process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5664886A JPS62215123A (en) | 1986-03-14 | 1986-03-14 | Sliding bearing and its process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62215123A true JPS62215123A (en) | 1987-09-21 |
Family
ID=13033174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5664886A Pending JPS62215123A (en) | 1986-03-14 | 1986-03-14 | Sliding bearing and its process |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62215123A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1163238A (en) * | 1997-08-15 | 1999-03-05 | Shin Etsu Polymer Co Ltd | Polymeric compound sliding member and double-belted press device using the same |
| JP2012255563A (en) * | 1998-09-08 | 2012-12-27 | Nsk Ltd | Rolling bearing |
| WO2014054544A1 (en) * | 2012-10-01 | 2014-04-10 | オイレス工業株式会社 | Multilayer sliding member and method for manufacturing multilayer sliding members |
| WO2014139676A1 (en) * | 2013-03-14 | 2014-09-18 | Wilo Se | Pump unit comprising a one-piece bearing unit |
| DE102013114899A1 (en) * | 2013-12-27 | 2015-07-02 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Disc brake for a commercial vehicle |
| WO2019116952A1 (en) * | 2017-12-12 | 2019-06-20 | オイレス工業株式会社 | Sliding bearing and method for manufacturing same |
| JP2019127024A (en) * | 2018-01-26 | 2019-08-01 | コニカミノルタ株式会社 | Resin member and image forming apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5881221A (en) * | 1981-11-09 | 1983-05-16 | Sanwa Kosan Kk | Manufacturing method for bearing unit of working parts for business machinery, computer's associated equipment |
| JPS58160626A (en) * | 1982-03-16 | 1983-09-24 | Sumitomo Chem Co Ltd | Resin-manufactured bearing |
-
1986
- 1986-03-14 JP JP5664886A patent/JPS62215123A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5881221A (en) * | 1981-11-09 | 1983-05-16 | Sanwa Kosan Kk | Manufacturing method for bearing unit of working parts for business machinery, computer's associated equipment |
| JPS58160626A (en) * | 1982-03-16 | 1983-09-24 | Sumitomo Chem Co Ltd | Resin-manufactured bearing |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1163238A (en) * | 1997-08-15 | 1999-03-05 | Shin Etsu Polymer Co Ltd | Polymeric compound sliding member and double-belted press device using the same |
| JP2012255563A (en) * | 1998-09-08 | 2012-12-27 | Nsk Ltd | Rolling bearing |
| WO2014054544A1 (en) * | 2012-10-01 | 2014-04-10 | オイレス工業株式会社 | Multilayer sliding member and method for manufacturing multilayer sliding members |
| JP2014070714A (en) * | 2012-10-01 | 2014-04-21 | Oiles Ind Co Ltd | Double layer sliding member and method of manufacturing double layer sliding member |
| WO2014139676A1 (en) * | 2013-03-14 | 2014-09-18 | Wilo Se | Pump unit comprising a one-piece bearing unit |
| CN105143678A (en) * | 2013-03-14 | 2015-12-09 | 威乐欧洲股份公司 | Pump unit comprising a one-piece bearing unit |
| DE102013114899A1 (en) * | 2013-12-27 | 2015-07-02 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Disc brake for a commercial vehicle |
| DE102013114899B4 (en) * | 2013-12-27 | 2016-05-12 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Disc brake for a commercial vehicle |
| WO2019116952A1 (en) * | 2017-12-12 | 2019-06-20 | オイレス工業株式会社 | Sliding bearing and method for manufacturing same |
| JP2019127024A (en) * | 2018-01-26 | 2019-08-01 | コニカミノルタ株式会社 | Resin member and image forming apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6799893B2 (en) | Special type bearing device | |
| US20040258335A1 (en) | Dynamic bearing device | |
| US20070286538A1 (en) | Dynamic Bearing Device | |
| KR20030084623A (en) | Fluid bearing device | |
| US8356938B2 (en) | Fluid dynamic bearing apparatus | |
| US7695194B2 (en) | Member for the guidance of a movable piece | |
| KR20100125251A (en) | Sintered bearing | |
| GB2178113A (en) | Spherical plain bearing | |
| EP2463536B1 (en) | High-pressure fuel pump | |
| US4439909A (en) | Ball joint manufacture | |
| JPS62215123A (en) | Sliding bearing and its process | |
| US20180156264A1 (en) | Internal combustion engine bearing and method of manufacturing internal combustion engine bearing | |
| US3467449A (en) | Bearing element | |
| JP4865015B2 (en) | Hydrodynamic bearing device | |
| WO2016194807A1 (en) | Bearing for internal combustion engine and production method for bearing for internal combustion engine | |
| CN1828074A (en) | Method for improving self-lubrication of large-scale bearing by macromolecular material | |
| JP2014029178A (en) | Spherical slide bearing and method of manufacturing the same | |
| WO2016194808A1 (en) | Sliding member for internal combustion engine | |
| JPH0721287B2 (en) | Guide bush for hydraulic system | |
| JPS62215166A (en) | Composite piston and its manufacture | |
| US11283326B2 (en) | Actuator module and method for producing an actuator module | |
| JP3997113B2 (en) | Hydrodynamic bearing device | |
| JP2017145841A (en) | Fluid dynamic pressure bearing device | |
| JP5692719B2 (en) | Spherical plain bearing and manufacturing method thereof | |
| JP2008039104A (en) | Fluid bearing device |