JP4622159B2 - Method for correcting non-uniformity of tire / wheel assembly - Google Patents
Method for correcting non-uniformity of tire / wheel assembly Download PDFInfo
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- JP4622159B2 JP4622159B2 JP2001161776A JP2001161776A JP4622159B2 JP 4622159 B2 JP4622159 B2 JP 4622159B2 JP 2001161776 A JP2001161776 A JP 2001161776A JP 2001161776 A JP2001161776 A JP 2001161776A JP 4622159 B2 JP4622159 B2 JP 4622159B2
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- Prior art keywords
- tire
- wheel assembly
- uniformity
- rim
- flange
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- Expired - Fee Related
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Description
【０００１】
【発明の属する技術分野】
本発明は、タイヤ／ホイール組み立て体の不均一性修正方法に関し、さらに詳しくは、タイヤ／ホイール組み立て体の不均一性を簡便に修正することができるタイヤ／ホイール組み立て体の不均一性修正方法に関する。
【０００２】
【従来の技術】
走行中の車輌の振動、特に、高速走行時の振動を抑制したり、直進性能を確保するために、車輌に取り付けられたタイヤ／ホイール組み立て体の均一性を高めることが求められている。タイヤ／ホイール組み立て体の不均一性を修正するために、ホイールのリムフランジに質量バランスを調整する錘を取り付ける方法が行われているが、この錘によってタイヤ／ホイール組み立て体の質量バランスはとれるものの、ＲＲＯ（ラジアル方向ランアウト：タイヤ径方向の寸法変化）や、ＣＴ（コニシティフォース：タイヤ回転軸方向に発生する横力）の発生による不均一性の修正ができないという問題があった。
【０００３】
この不均一性を修正するために、タイヤ／ホイール組み立て体のタイヤトレッド部の一部を切削する方法が行われているが、タイヤの外観性を損ねるうえに、手間と時間がかかってしまうという問題があった。また、タイヤに部分的に異なる熱履歴を与えるように加熱し冷却させる方法が提案されているが、この方法についても加熱等の工程で手間と時間がかかってしまうという問題があった（特開２０００−２８０２６４号公報参照）。
【０００４】
【発明が解決しようとする課題】
従って、本発明の課題は、タイヤ／ホイール組み立て体の不均一性を簡便に修正することができるタイヤ／ホイール組み立て体の不均一性修正方法を提供することにある。
【０００５】
【課題を解決するための手段】
本発明によれば、ホイール（Ｗ）にタイヤ（Ｔ）を装着してタイヤ／ホイール組み立て体にした後、該タイヤ／ホイール組み立て体の状態でのタイヤ（Ｔ）の不均一性に対応して車輌外側および／または車輌内側のリム部（１）のリムフランジ（３）の少なくとも一部を内側（Ａ′）に変形させて、タイヤ／ホイール組み立て体の不均一性を修正するタイヤ／ホイール組み立て体の不均一性修正方法であって、前記リムフランジ（３）を正規のフランジ角度よりも大きな角度で広げた状態とした後に、前記リムフランジ（３）の少なくとも一部を内側に変形させるタイヤ／ホイール組み立て体の不均一性修正方法が提供される。
【０００６】
また、本発明によれば、少なくとも前記リム部（１）がスチールからなり、好ましくはディスク部（２）が非鉄金属からなる前記タイヤ／ホイール組み立て体の不均一性修正方法が提供される。
【０００７】
本発明の方法により修正されたタイヤ／ホイール組み立て体は、ＲＲＯ（ラジアル方向ランアウト：タイヤ径方向の寸法変化）、ＣＴ（コニシティフォース：タイヤ回転軸方向に発生する横力）の発生による不均一性が修正されたものである。
【０００８】
【発明の実施の形態】
以下、本発明の実施形態について図面を参照しながら詳細に説明する。図１は、本発明のタイヤ／ホイール組み立て体の例を子午線方向部分断面図として示したものである。タイヤＴは、ホイールＷのリム部１に嵌め込まれるようにして装着され、タイヤＴ内には空気を充填されている。この際に、タイヤＴの断面形状（プロファイル）が、所望のプロファイルからずれてしまうと、タイヤ／ホイール組み立て体のＲＲＯやＣＴの発生による不均一性の修正が必要になる。
【０００９】
図１の実線に示されるように、車輌外側のタイヤ周上の一部のショルダー部４が、破線で示される所望のプロファイルに比べ、半径寸法が小さくなりすぎている部分があると、タイヤ／ホイール組み立て体のＲＲＯやＣＴが発生してしまう。そこで、リムフランジ３を矢印Ａ’の方向に内側に押し込んで変形させると、サイドウォール部５が矢印Ｂ’の内側方向に変形するとともに、ショルダー部４が、その半径寸法が大きくなるように矢印Ｃ’の方向に変形し、破線に示される所望のプロファイルとなる。従って、タイヤ／ホイール組み立て体のＲＲＯやＣＴの発生による不均一性が、リムフランジ３を変形させるという簡便な方法で容易に修正することができる。
【００１０】
また、リムフランジ３の変形は、車輌内側でも同様に行ってもよく、車輌外側と内側の両側の変形に合わせて、両側のリムフランジ３を変形させて組み合わせてもよい。例えば、ショルダー部３の凹凸の変形が車輌外側と内側で交互に発生した場合には、その凹凸に合わせて左右のリムフランジ３を変形させればよい。
【００１１】
また、タイヤのプロファイルの不均一がタイヤ全周にわたって発生した場合には、不均一の発生する側および／または不均一の発生する側の反対側のリムフランジ３を全周にわたって変形し、不均一性を修正することもできる。例えば、図１に示すように車輌外側のショルダー部４の半径寸法が、図示しない車輌内側のショルダー部４の半径寸法よりも全周にわたって小さくなった場合には、車輌外側のリムフランジ３を全周にわたって内側に変形することによって、タイヤ／ホイール組み立て体の不均一性を修正することができる。
【００１２】
また、ＣＴが車輌外側に向かって発生する場合には、車輌外側のリムフランジ３を全周にわたって内側に変形することによって、タイヤ／ホイール組み立て体のＣＴの発生による不均一性を修正することができる。
【００１３】
本発明のホイールＷの材質は、特に限定されないが、少なくともリム部１が靱性を有し大きな変形が可能なスチール（鉄鋼）であるのが好ましい。また、リム部１がスチールからなり、ディスク部２が非鉄金属からなるように構成してもよく、非鉄金属としてアルミニウム、アルミニウム合金、または、マグネシウム合金等を挙げることができる。ディスク部２をこのような非鉄金属にすることによって、ディスク部２の加工性・デザイン性を向上させ、軽量化も図れるからである。
【００１４】
本発明においては、リムフランジ３をＩＳＯ等の諸規格で規定されるフランジ角度（リムフランジ３の断面が垂直線となす角度）や製品として設計したフランジ角度のような正規のフランジ角度よりも大きな角度で広げた状態とした後に、リムフランジ３の少なくとも一部を内側に押し込んで変形させる。リムフランジ３を引き出すように外側に変形させるよりも、内側に押し込むように変形させるほうがより容易に行えるので、上記のように構成することで、タイヤＴをホイールＷに装着した後に、不均一性を測定し、リムフランジ３の一部または全周を内側に変形させてタイヤ／ホイール組み立て体の不均一性を簡便に修正させることができる。この場合のリムフランジ３の変形量は、不均一性の程度によって決定すればよく特に限定されないが、フランジ角度で、５度以下とするのが好ましい。リムフランジ３をあらかじめより大きな角度で広げた状態とした時に、広げる程度が大きいほど、タイヤの空気シール性が低下するからであり、変形量が小さい方が好ましいからである。
【００１５】
本発明のリム部のフランジ部等を変形させる方法は、特に限定されずプレス機等のいかなる手段を用いることができ、手動で行っても、装置によって自動的に行ってもよい。
【００１６】
【発明の効果】
本発明に従って、ホイールにタイヤを装着した後に、タイヤ／ホイール組み立て体の状態でのタイヤの不均一性に対応してリム部を変形させることによって、タイヤ／ホイール組み立て体の不均一性を簡便に修正することができるタイヤ／ホイール組み立て体、および、その不均一性修正方法を得ることができる。
【図面の簡単な説明】
【図１】タイヤ／ホイール組み立て体の子午線方向部分断面図である。
【符号の説明】
１ リム部
２ ディスク部
３ リムフランジ
４ ショルダー部
５ サイドウォール部
Ｔ タイヤ
Ｗ ホイール[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a tire / wheel assembly non-uniformity correction method, and more particularly, to a tire / wheel assembly non-uniformity correction method capable of easily correcting non-uniformity of a tire / wheel assembly. .
[0002]
[Prior art]
In order to suppress vibrations of a running vehicle, particularly vibrations at high speeds, and to ensure straight running performance, it is required to improve the uniformity of a tire / wheel assembly attached to the vehicle. In order to correct the non-uniformity of the tire / wheel assembly, a method of attaching a weight for adjusting the mass balance to the rim flange of the wheel has been used. , RRO (radial runout: dimensional change in the tire radial direction) and CT (conicity force: lateral force generated in the tire rotational axis direction) and nonuniformity cannot be corrected.
[0003]
In order to correct this non-uniformity, a method of cutting a part of the tire tread portion of the tire / wheel assembly has been performed, but it takes time and effort to deteriorate the appearance of the tire. There was a problem. In addition, a method for heating and cooling so as to give partially different heat histories to the tire has been proposed, but this method also has a problem that it takes time and effort in the process of heating or the like (Japanese Patent Application Laid-Open (JP-A)). 2000-280264).
[0004]
[Problems to be solved by the invention]
Accordingly, an object of the present invention is to provide a method for correcting non-uniformity of a tire / wheel assembly that can easily correct non-uniformity of the tire / wheel assembly.
[0005]
[Means for Solving the Problems]
According to the present invention, after the tire (T) is mounted on the wheel (W) to form a tire / wheel assembly, the tire (T) in the state of the tire / wheel assembly is dealt with inhomogeneity. vehicle outer and / or at least a portion rim flange (3) of the rim portion of the vehicle interior (1) is deformed to the inner side (a ') to a tire / wheel to correct the non-uniformity of the tire / wheel assembly A method for correcting non-uniformity of an assembly , wherein after the rim flange (3) is expanded at an angle larger than a normal flange angle, at least a part of the rim flange (3) is deformed inward. A method for correcting non-uniformity of a tire / wheel assembly is provided.
[0006]
Further, according to the present invention, there is provided a method for correcting nonuniformity of the tire / wheel assembly, in which at least the rim portion (1) is made of steel, and preferably the disc portion (2) is made of non-ferrous metal.
[0007]
The tire / wheel assembly modified by the method of the present invention is non-uniform due to the occurrence of RRO (radial runout: dimensional change in the tire radial direction) and CT (conicity force: lateral force generated in the tire rotational axis direction). The sex has been corrected.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 shows an example of a tire / wheel assembly according to the present invention as a partial sectional view in the meridian direction. The tire T is mounted so as to be fitted into the rim portion 1 of the wheel W, and the tire T is filled with air. At this time, if the cross-sectional shape (profile) of the tire T deviates from a desired profile, it is necessary to correct non-uniformity due to occurrence of RRO and CT of the tire / wheel assembly.
[0009]
As shown in solid line in FIG. 1, a portion of the shoulder portion 4 of the tire circumference of a vehicle outside than the desired profile, shown in broken lines, the portions there of radius is too small Ru, tires / RRO and CT of the wheel assembly occur. Therefore, when the rim flange 3 is pushed inward in the direction of the arrow A ′ and deformed, the
[0010]
Further, the rim flange 3 may be similarly deformed on the inside of the vehicle, and the rim flanges 3 on both sides may be deformed and combined in accordance with the deformation on both the outside and inside of the vehicle. For example, when the unevenness of the shoulder portion 3 is alternately generated on the outer side and the inner side of the vehicle, the left and right rim flanges 3 may be deformed according to the unevenness.
[0011]
In addition, when the tire profile is non-uniform over the entire circumference of the tire, the rim flange 3 on the side where the non-uniformity occurs and / or the side opposite to the side where the non-uniformity occurs is deformed over the entire circumference. Sex can also be corrected. For example, as shown in FIG. 1, when the radial dimension of the shoulder part 4 outside the vehicle is smaller than the radial dimension of the shoulder part 4 inside the vehicle (not shown), the rim flange 3 outside the vehicle by the Turkey be deformed to the inner side a circumferential, it is possible to correct the non-uniformity of the tire / wheel assembly.
[0012]
Moreover, CT is the case which occurs toward the vehicle outside, by a Turkey to deform the vehicle outer rim flange 3 on the inside over the entire periphery, to correct the non-uniformity due to generation of the CT of the tire / wheel assembly be able to.
[0013]
Although the material of the wheel W of the present invention is not particularly limited, it is preferable that at least the rim portion 1 is steel (steel) having toughness and capable of large deformation. Further, the rim portion 1 may be made of steel and the disk portion 2 may be made of a non-ferrous metal. Examples of the non-ferrous metal include aluminum, an aluminum alloy, and a magnesium alloy. This is because by making the disk part 2 such a non-ferrous metal, the workability and design of the disk part 2 can be improved and the weight can be reduced.
[0014]
In the present invention, the rim flange 3 is larger than a regular flange angle such as a flange angle defined by various standards such as ISO (an angle that the cross section of the rim flange 3 forms a vertical line) or a flange angle designed as a product. after the unfolded at an angle, Ru deform by pushing at least a portion of the rim flange 3 on the inside. Since it is easier to deform by pushing inward than by deforming outward by pulling out the rim flange 3, non-uniformity after the tire T is mounted on the wheel W can be configured as described above. , And a non-uniformity of the tire / wheel assembly can be easily corrected by deforming a part or the entire circumference of the rim flange 3 inward. The amount of deformation of the rim flange 3 in this case is not particularly limited as long as it is determined by the degree of non-uniformity, but is preferably 5 degrees or less in terms of flange angle. This is because when the rim flange 3 is preliminarily expanded at a larger angle, the greater the degree of expansion, the lower the air sealability of the tire, and the smaller the deformation amount is preferable.
[0015]
The method for deforming the flange portion or the like of the rim portion of the present invention is not particularly limited, and any means such as a press machine can be used, which may be performed manually or automatically by the apparatus.
[0016]
【The invention's effect】
According to the present invention, after the tire is mounted on the wheel, the rim portion is deformed in response to the tire non-uniformity in the state of the tire / wheel assembly, thereby simplifying the non-uniformity of the tire / wheel assembly. A tire / wheel assembly that can be corrected and a method for correcting the non-uniformity thereof can be obtained.
[Brief description of the drawings]
FIG. 1 is a partial cross-sectional view in the meridian direction of a tire / wheel assembly .
[Explanation of symbols]
1 Rim part 2 Disc part 3 Rim flange 4
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001161776A JP4622159B2 (en) | 2001-05-30 | 2001-05-30 | Method for correcting non-uniformity of tire / wheel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001161776A JP4622159B2 (en) | 2001-05-30 | 2001-05-30 | Method for correcting non-uniformity of tire / wheel assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002347405A JP2002347405A (en) | 2002-12-04 |
| JP4622159B2 true JP4622159B2 (en) | 2011-02-02 |
Family
ID=19005000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001161776A Expired - Fee Related JP4622159B2 (en) | 2001-05-30 | 2001-05-30 | Method for correcting non-uniformity of tire / wheel assembly |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4622159B2 (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50103004A (en) * | 1974-01-23 | 1975-08-14 | ||
| DE2455279A1 (en) * | 1974-11-22 | 1976-08-12 | Continental Gummi Werke Ag | Motor vehicle wheel balancing - uses pneumatic tyres arranged on metal rim of wheel having lateral freely radiating edges |
| JPH03136836A (en) * | 1989-06-30 | 1991-06-11 | Michelin & Cie | Method of correcting change of space between tire and ground in radial direction |
| JPH03189201A (en) * | 1989-12-20 | 1991-08-19 | Yokohama Rubber Co Ltd:The | Wheel of automobile |
| JPH0655902A (en) * | 1992-08-06 | 1994-03-01 | Bridgestone Corp | Wheel for pneumatic tire |
| JPH0664402A (en) * | 1992-08-17 | 1994-03-08 | Bridgestone Corp | Tire wheel |
| JPH06507858A (en) * | 1992-04-03 | 1994-09-08 | ミシュラン ルシェルシュ エ テクニーク ソシエテ アノニム | Non-abrasive tire modification method and device |
| US5537866A (en) * | 1993-11-23 | 1996-07-23 | Continental Aktiengesellschaft | Method and device for correcting imbalance of pneumatic vehicle tires by removing bead material |
| JP2001071706A (en) * | 1999-09-07 | 2001-03-21 | Topy Ind Ltd | Structure for mounting wheel |
-
2001
- 2001-05-30 JP JP2001161776A patent/JP4622159B2/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50103004A (en) * | 1974-01-23 | 1975-08-14 | ||
| DE2455279A1 (en) * | 1974-11-22 | 1976-08-12 | Continental Gummi Werke Ag | Motor vehicle wheel balancing - uses pneumatic tyres arranged on metal rim of wheel having lateral freely radiating edges |
| JPH03136836A (en) * | 1989-06-30 | 1991-06-11 | Michelin & Cie | Method of correcting change of space between tire and ground in radial direction |
| JPH03189201A (en) * | 1989-12-20 | 1991-08-19 | Yokohama Rubber Co Ltd:The | Wheel of automobile |
| JPH06507858A (en) * | 1992-04-03 | 1994-09-08 | ミシュラン ルシェルシュ エ テクニーク ソシエテ アノニム | Non-abrasive tire modification method and device |
| JPH0655902A (en) * | 1992-08-06 | 1994-03-01 | Bridgestone Corp | Wheel for pneumatic tire |
| JPH0664402A (en) * | 1992-08-17 | 1994-03-08 | Bridgestone Corp | Tire wheel |
| US5537866A (en) * | 1993-11-23 | 1996-07-23 | Continental Aktiengesellschaft | Method and device for correcting imbalance of pneumatic vehicle tires by removing bead material |
| JP2001071706A (en) * | 1999-09-07 | 2001-03-21 | Topy Ind Ltd | Structure for mounting wheel |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2002347405A (en) | 2002-12-04 |
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