JPH0295901A - Automobile wheel bearing device - Google Patents
Automobile wheel bearing deviceInfo
- Publication number
- JPH0295901A JPH0295901A JP63226770A JP22677088A JPH0295901A JP H0295901 A JPH0295901 A JP H0295901A JP 63226770 A JP63226770 A JP 63226770A JP 22677088 A JP22677088 A JP 22677088A JP H0295901 A JPH0295901 A JP H0295901A
- Authority
- JP
- Japan
- Prior art keywords
- bearing device
- film
- wheel bearing
- automobile wheel
- thermoplastic adhesive
- 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
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 11
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 11
- 239000002313 adhesive film Substances 0.000 claims abstract description 7
- 230000007797 corrosion Effects 0.000 claims abstract description 7
- 238000005260 corrosion Methods 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims abstract description 3
- 238000005238 degreasing Methods 0.000 claims abstract description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 11
- 239000011247 coating layer Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 1
- 229920002521 macromolecule Polymers 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000010422 painting Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000002788 crimping Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 229920003182 Surlyn® Polymers 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 229920006020 amorphous polyamide Polymers 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 1
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は自動車ホイール軸受装置およびその表面処理
方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an automobile wheel bearing device and a surface treatment method thereof.
従来、自動車ホイール軸受装置およびその一部分は外部
に露出していて、錆やすく、また傷つきやすいため、フ
タル酸樹脂塗料などによる塗装が施されることが多いが
、非塗装部分を残しながら塗装を行なうことは工程が非
常に複雑になる。たとえば自動車のアクスルハブフラン
ジ部分において、非塗装部分にはマスキングをし、均一
塗装を行なう部分に対しては、を機溶剤（ハロゲン化溶
剤）による洗浄脱脂後、スプレー法によるベースコート
（下塗り）層の塗布、加熱乾燥（５０℃、１０〜１５分
間、スプレー法によるトンブコート（上塗り）層の塗布
、加熱乾燥硬化（１７５℃、２０〜３０分間）および冷
却などの工程が必要であり、そればかりではなく、スプ
レー法に起因する塗料の飛散による浪費、設備の大型化
などのため塗装費は著しく高価なものとなる。したがっ
て、手間を簡略化し費用を安価にする目的で、たとえば
実願昭６３−７０９６３号のように自動塗装装置が開発
されてはいるが、これとても満足し得るものとはいえな
い。Conventionally, automobile wheel bearing devices and parts thereof are exposed to the outside and are prone to rust and damage, so they are often painted with phthalate resin paint, but painting is done while leaving the unpainted parts. This makes the process extremely complicated. For example, in the axle hub flange of an automobile, the unpainted parts are masked, and the parts to be uniformly painted are cleaned and degreased with a solvent (halogenated solvent), and then a base coat (undercoat) layer is applied by spraying. Processes such as coating, heating drying (50°C, 10 to 15 minutes, spray coating of a topcoat layer, heating drying and curing (175°C, 20 to 30 minutes), and cooling are required. The cost of painting becomes extremely high due to the waste caused by paint scattering caused by the spray method and the increase in the size of equipment.Therefore, in order to simplify the labor and reduce costs, for example, Utility Application No. 63-70963 Although automatic painting equipment has been developed, it cannot be said to be very satisfactory.
以上述べたように、従来の技術においては、自動車ホイ
ール軸受装置の露出部分に耐食性および耐損傷性を付与
することは容易でなく、複雑な手間と装置を必要とし、
塗料の浪費も加わって、経済的には決して有利でなかっ
たという問題点があり、これを解決することが課題とな
っていた。As mentioned above, in the conventional technology, it is not easy to impart corrosion resistance and damage resistance to the exposed portion of an automobile wheel bearing device, and it requires complicated labor and equipment.
There was a problem in that it was not economically advantageous due to the waste of paint, and the problem was to solve this problem.
上記の課題を解決するために、この発明は露出していて
耐食性および耐損傷性を付与する必要のある工作物（ワ
ーク）の面に熱可塑性接着剤フィルムを圧着した自動車
ホイール軸受装置とする手段、ならびにそのために所要
面を洗浄、脱脂および予備加熱を行なった後、その面上
に熱可塑性接着剤フィルムを圧着し、さらに冷却して自
動車ホイール軸受装置の表面処理をするという手段を採
用したのである。In order to solve the above-mentioned problems, the present invention provides an automobile wheel bearing device in which a thermoplastic adhesive film is crimped onto the exposed surface of a workpiece that needs to be imparted with corrosion resistance and damage resistance. , and for this purpose, after cleaning, degreasing, and preheating the required surface, a thermoplastic adhesive film is pressed onto the surface, and the surface is further cooled to perform surface treatment for the automobile wheel bearing device. be.
〔作用〕
予めフィルム状に成形した熱可塑性接着剤をワークの必
要箇所に熱圧着したことによって、自動車ホイール軸受
装置の任意の特定箇所に耐食性および耐損傷性を簡単に
、しかも的確に、付与させることができる。[Function] Corrosion resistance and damage resistance can be easily and accurately imparted to any specific location of an automobile wheel bearing device by heat-pressing a thermoplastic adhesive previously formed into a film onto the required location of the workpiece. be able to.
自動車ホイール軸受装置の構造は、機種によって異なる
点が多くあるが、−例を挙げると、ホイールは第２図に
示したように、ジヨイント１を介して駆動される回転軸
を中心にして、ハブ２、ナックル３、ディスクブレーキ
ロータ４、リム５などの主要ワーク類およびタイヤ６な
どで構成されている。そして、特に露出していて耐食性
および耐損傷性を付与する必要のある部所を有するワー
クは、たとえばハブ２（拡大して第１図に示した）の円
筒部７であり、他のワーク類で覆われることな（、暴露
されて風雨、泥水などに直接さらされ、または小石など
の固形物が当たりやすい箇所である。The structure of an automobile wheel bearing device has many differences depending on the model. For example, as shown in Fig. 2, a wheel is centered around a rotating shaft driven through a joint 1, 2, main works such as a knuckle 3, a disc brake rotor 4, a rim 5, and a tire 6. A workpiece that has a particularly exposed part that needs to be provided with corrosion resistance and damage resistance is, for example, the cylindrical part 7 of the hub 2 (shown in an enlarged view in FIG. 1), and other workpieces. Areas that are directly exposed to wind, rain, mud, water, etc., or are easily hit by solid objects such as pebbles.
つぎに、この発明に係る熱可塑性接着剤は、金属に対し
て優れた親和性を有し、容易にフィルム化出来る高分子
重縮合体であり、好ましくは軟化点が１００℃以上のも
のであればよく、いわゆるホントメルト接着剤に属し、
たとえば熱接着用のポリアミド共重合体（東し合成フィ
ルム社製；登録商標レイファン−１に８０００） 、同
ポリエステル系重合体く同社製：レイファン−Ｎ１８７
００） 、同ポリオレフィン系重合体（同社製： Ｎ１
８９３０） 、その他レジンモルタルとして使用される
各種不飽和ポリエステル樹脂、エチレン−エチルアクリ
レート共重合体（ＥＦＡ）、エチレン−アクリル酸共重
合体（ＥＡ＾）、アイオノマー（米Ｄｕ Ｐｏｎｔ社製
：登録商標サーリン）、無定形ポリアミド、飽和無定形
ポリエステル、塩素化ポリエーテルなどを挙げることが
出来る。なお、これら熱可Ｍ性重縮合体の他にたとえば
フェノール樹脂、メラミン樹脂、尿素樹脂などの熱硬化
性接着剤またはエポキシ樹脂、ポリウレタン樹脂などの
ように、一種もしくは二種の液状物質に硬化剤または触
媒を添加して不溶不融性の三次元網状重合体を形成する
反応硬化性の樹脂など、多種多様のものがあるが、これ
らは複雑な形状をした金属面に原料を均一に散布もしく
は塗布して、一定の厚みの重合体被膜とすることはきわ
めて容易でなく、好ましくない。Next, the thermoplastic adhesive according to the present invention is a polymer polycondensate that has an excellent affinity for metals and can be easily formed into a film, and preferably has a softening point of 100°C or higher. It belongs to the so-called true melt adhesives,
For example, polyamide copolymers for thermal adhesion (manufactured by Toshi Gosei Film Co., Ltd.; registered trademark RAIFAN-1 to 8000), polyester polymers manufactured by the same company: RAIFAN-N187
00), the same polyolefin polymer (manufactured by the same company: N1
8930), various unsaturated polyester resins used as resin mortars, ethylene-ethyl acrylate copolymer (EFA), ethylene-acrylic acid copolymer (EA^), ionomer (manufactured by Du Pont, USA: registered trademark Surlyn) ), amorphous polyamide, saturated amorphous polyester, chlorinated polyether, etc. In addition to these thermoplastic polycondensates, one or two types of liquid substances such as thermosetting adhesives such as phenol resins, melamine resins, and urea resins, epoxy resins, and polyurethane resins may be used as curing agents. There are a wide variety of resins, such as reaction-curing resins that form insoluble and infusible three-dimensional network polymers by adding catalysts. It is extremely difficult and undesirable to apply the polymer to form a polymer film of a constant thickness.
ここで、このような熱可塑性接着剤のフィルム化は通常
の成形方法、たとえばＴダイ法、インフレーション法、
カレンダー法など、特に限定されるものではなく、また
、フィルムの厚みも特に限定されるものでもないが、こ
の実施例においては、前記したポリアミド共重合体（東
し合成フィルム社製二登録商標レイファン−１１ｈ８０
００）の３０ｕｍ厚のフィルムを使用することにした。Here, such a thermoplastic adhesive can be formed into a film by a normal molding method, such as a T-die method, an inflation method,
Although there are no particular limitations on the calendering method or the like, and there are no particular limitations on the thickness of the film, in this example, the above-mentioned polyamide copolymer (registered trademark Ray, manufactured by Toshi Gosei Film Co., Ltd.) Fan-11h80
00) with a thickness of 30 um was used.
そして、このようなフィルムを第１図に示すハブ２の円
筒部？（外径約７２１）の外面に貼り合わせるに当って
は、まず、円筒部７の該当部分をベンジンを含浸させた
布を拭いて脱脂して清浄にし、ついで予備加熱を行なっ
た。予備加熱はワークの体積によって多少異なるが、た
とえば恒温槽または加熱炉等を用いて、通常の場合、１
００〜１４０℃、５〜１０分間の加熱を目安とすればよ
く、この実施例においては炉ｆｊＬ１４０℃、１０分間
で予備加熱を行なった。一方、貼り合わせるフィルムを
所定の寸法に截断し、このフィルム片を上記ワークの所
定場所に乗せ、通常の場合、品温１２０〜１５０℃、３
０〜６０秒の圧着操作を行なう、この圧着に際しては、
たとえばフッ素系もしくはシリコン系のゴムのような上
記フィルムには接着しない弾性体によってフィルム面を
押しつけるとよく、この実施例においては、フッ素系ゴ
ムを用いてワーク温度１２０℃で１分間、フィルムを圧
着し、第１図に示すような熱可塑性接着剤の被膜８を形
成した。このような圧着＆作は、円筒部７の内面に対し
ても、外面と同時にまたは別個に施してもよく、このよ
うして形成された被膜８はＪＩＳ−に６８３３に基づ（
剥離試験によっても剥離することなく、白灯油に浸漬し
ても膨張することなく、また１２０℃の耐熱試験にも充
分耐えることが出来た。And, such a film is used in the cylindrical part of the hub 2 shown in FIG. (outer diameter approximately 721 mm), first, the corresponding portion of the cylindrical portion 7 was wiped with a benzene-impregnated cloth to degrease and clean it, and then preheated. Although preheating varies somewhat depending on the volume of the workpiece, it is usually done using a constant temperature bath or heating furnace.
Heating at 00 to 140° C. for 5 to 10 minutes may be used as a guide, and in this example, preheating was performed at 140° C. for 10 minutes in a furnace fjL. On the other hand, the film to be pasted is cut to a predetermined size, and this film piece is placed on a predetermined place on the workpiece.
During this crimping operation, the crimping operation is performed for 0 to 60 seconds.
For example, it is best to press the film surface with an elastic material that does not adhere to the film, such as fluorine-based or silicone-based rubber. In this example, the film is pressed using fluorine-based rubber for 1 minute at a work temperature of 120°C. Then, a thermoplastic adhesive film 8 as shown in FIG. 1 was formed. Such crimping and forming may be performed on the inner surface of the cylindrical portion 7 at the same time as on the outer surface or separately, and the coating 8 thus formed is
It did not peel off in a peel test, did not expand when immersed in white kerosene, and was able to fully withstand a heat resistance test at 120°C.
以上述べたこの発明の自動車ホイール軸受装置によれば
、ワーク表面に形成される被覆層の厚さを、圧着するフ
ィルムの厚さを変えることによって、容易に調節するこ
とが出来、大掛かりな装置を必要とせず、また、無駄に
なる被膜形成材料が少なく、たとえフィルムの切片が生
じても、再生が可能であり、従来の塗装法と比較して工
程が非常に単純であるなど、経済的にきわめて有利であ
る。したがって、この発明の意義は大きいということが
出来る。According to the above-described automobile wheel bearing device of the present invention, the thickness of the coating layer formed on the surface of the workpiece can be easily adjusted by changing the thickness of the film to be crimped. It is economical, as it does not require or waste film-forming material, and even if film fragments occur, they can be recycled, and the process is very simple compared to traditional painting methods. It is extremely advantageous. Therefore, it can be said that this invention has great significance.
第１図はこの発明の実施例において用いたハブの形状を
示すための一部切欠の側面図、第２図は自動車ホイール
軸受装置の構成の一例を示す一部切欠の側面図である。
１・・・・・・ジヨイント、 ２・・・・・・ハブ
、３・・・・・・ナックル、
４・・・・・・ディスクブレーキロータ、５・・・・・
・リム、 ６・・・・・・タイヤ、７・・・
・・・円筒部、 ８・・・・・・被膜。
特許出願人 エヌ・チー・エヌ
東洋ベアリング株式会社
同 代理人
鎌
田
文FIG. 1 is a partially cutaway side view showing the shape of a hub used in an embodiment of the present invention, and FIG. 2 is a partially cutaway side view showing an example of the configuration of an automobile wheel bearing device. 1... Joint, 2... Hub, 3... Knuckle, 4... Disc brake rotor, 5...
・Rim, 6... Tire, 7...
...Cylindrical portion, 8...Coating. Patent Applicant NCH NTO Bearing Co., Ltd. Agent Fumi Kamata
Claims (2)
要のある工作物（ワーク）の面に熱可塑性接着剤フィル
ムを圧着させたことを特徴とする自動車ホィール軸受装
置。(1) An automobile wheel bearing device characterized in that a thermoplastic adhesive film is pressure-bonded to the exposed surface of a workpiece that needs to be imparted with corrosion resistance and damage resistance.
要のある工作物（ワーク）の面を洗浄、脱脂および予備
加熱を行なった後、その面上に熱可塑性接着剤フィルム
を圧着し、さらに冷却することを特徴とする自動車ホィ
ール軸受装置。(2) After cleaning, degreasing, and preheating the exposed surface of the workpiece that needs to be imparted with corrosion resistance and damage resistance, a thermoplastic adhesive film is crimped onto the surface; An automobile wheel bearing device characterized by further cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63226770A JPH0295901A (en) | 1988-09-08 | 1988-09-08 | Automobile wheel bearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63226770A JPH0295901A (en) | 1988-09-08 | 1988-09-08 | Automobile wheel bearing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0295901A true JPH0295901A (en) | 1990-04-06 |
Family
ID=16850339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63226770A Pending JPH0295901A (en) | 1988-09-08 | 1988-09-08 | Automobile wheel bearing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0295901A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0800011A2 (en) * | 1996-03-26 | 1997-10-08 | SKF INDUSTRIE S.p.A. | Protective element against electrolytic corrosion, particularly for the strut of a vehicle and its bearing |
| JP2006218912A (en) * | 2005-02-08 | 2006-08-24 | Nsk Ltd | Hub unit |
| JP2007062587A (en) * | 2005-08-31 | 2007-03-15 | Nsk Ltd | Rolling bearing unit for wheel support |
| JP2010023839A (en) * | 2009-11-05 | 2010-02-04 | Nsk Ltd | Hub unit bearing and electrodeposition coating method of the same |
| US7824107B2 (en) | 2005-02-08 | 2010-11-02 | Nsk Ltd. | Hub unit |
-
1988
- 1988-09-08 JP JP63226770A patent/JPH0295901A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0800011A2 (en) * | 1996-03-26 | 1997-10-08 | SKF INDUSTRIE S.p.A. | Protective element against electrolytic corrosion, particularly for the strut of a vehicle and its bearing |
| EP0800011A3 (en) * | 1996-03-26 | 1998-07-08 | SKF INDUSTRIE S.p.A. | Protective element against electrolytic corrosion, particularly for the strut of a vehicle and its bearing |
| JP2006218912A (en) * | 2005-02-08 | 2006-08-24 | Nsk Ltd | Hub unit |
| US7824107B2 (en) | 2005-02-08 | 2010-11-02 | Nsk Ltd. | Hub unit |
| JP4581723B2 (en) * | 2005-02-08 | 2010-11-17 | 日本精工株式会社 | Hub unit and hub unit manufacturing method |
| JP2007062587A (en) * | 2005-08-31 | 2007-03-15 | Nsk Ltd | Rolling bearing unit for wheel support |
| JP2010023839A (en) * | 2009-11-05 | 2010-02-04 | Nsk Ltd | Hub unit bearing and electrodeposition coating method of the same |
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