JP4017357B2 - Method of assembling a bearing having an inner diameter tapered portion - Google Patents

Method of assembling a bearing having an inner diameter tapered portion Download PDF

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Publication number
JP4017357B2
JP4017357B2 JP2001149136A JP2001149136A JP4017357B2 JP 4017357 B2 JP4017357 B2 JP 4017357B2 JP 2001149136 A JP2001149136 A JP 2001149136A JP 2001149136 A JP2001149136 A JP 2001149136A JP 4017357 B2 JP4017357 B2 JP 4017357B2
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Japan
Prior art keywords
bearing
spacer
inner diameter
assembling
spindle
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.)
Expired - Fee Related
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JP2001149136A
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Japanese (ja)
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JP2002340002A (en
Inventor
貞夫 佐藤
敏夫 宮沢
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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Filing date
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Priority to JP2001149136A priority Critical patent/JP4017357B2/en
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Publication of JP4017357B2 publication Critical patent/JP4017357B2/en
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  • Rolling Contact Bearings (AREA)

Description

【0001】
【発明の属する技術分野】
本発明は、スピンドルの外径テーパ部に内径テーパ部を有する軸受を組み付ける方法に関する。
【0002】
【従来の技術】
従来、例えば図4(d)に示すようなスピンドル51の外径テーパ部51tに、円筒ころ軸受52を組み付ける際、円筒ころ軸受52が、ベアリングアウタ53、及びベアリングとしての円筒ころ54、及びベアリングインナ55から構成される場合、スピンドル51の回転が円滑に行われるように組み付けるため、スペーサ56の厚みを適切に調整することにより、ベアリングインナ55を外径テーパ部51tに打込む際、スペーサ56によって打込み量が適切に規制されるようにして、回転にガタがなく、また逆に回転が重すぎないよう組み付ける必要がある。
【0003】
このため、従来では、スペーサ56の厚みを適切に決定するため次のような手順で行っている。
すなわち、図4(a)に示すように、ハウジング57にベアリングアウタ53を圧入してベアリングアウタ53の内径を内径測定ゲージGで測定し、この測定値を図4(b)に示すような残留ラジアル隙間精密測定ゲージZにセットする。
次いで、図4(c)に示すように、ベアリングインナ55と円筒ころ54を外径テーパ部51tに嵌合させ、その外側に残留ラジアル隙間精密測定ゲージZを被せるとともに、スペーサ装着部にブロックゲージBをセットし、打込み治具Tによりベアリングインナ55を打込んで、スピンドル51の回転重さが適切になる時点で、ブロックゲージBによりその時の隙間を測定する。
そして一旦、ベアリングインナ55と円筒ころ54を取外し、ブロックゲージBで測定した値に基づいてスペーサ56の平研磨加工を行い、その後、図4(d)に示すように、このスペーサ56を装着部にセットし、ベアリングインナ55を打込み治具Tで打込んで本組みするようにしている。
【0004】
【発明が解決しようとする課題】
ところが、従来の方法は、組付け時のスピンドル回転の重さやガタの調整が作業者の勘やコツに頼るものであり、初心者等には組付作業が難しいという問題があった。
また、組付けを精度良く行うための残留ラジアル隙間精密測定ゲージZは、短時間で精度良く組み付けるのに便利であるが、それぞれのスピンドル径に対応する専用品であって、1個当たりの単価も高く、また精度良く測定するには、ある程度の熟練を必要とし、しかも取扱い時に衝撃を与えないよう慎重に取り扱わなければならない等の各種問題があった。
【0005】
そこで本発明は、高価な残留ラジアル隙間精密測定ゲージを用いなくても、また経験が少ない初心者等でも簡単に精度良く組付け出来るようにすることを目的とする。
【0006】
【課題を解決するための手段】
上記目的を達成するため、本発明は、ベアリングアウタとベアリングとベアリングインナからなる軸受をスピンドルの外径テーパ部に組み付ける方法であって、前記ベアリングアウタの内径を測定する工程と、このベアリングアウタをハウジング内に挿入して内径を測定した後、前記内径測定値との差を求める工程と、前記ベアリングインナをスピンドルの外径テーパ部に打ち込む際の打ち込み量を規制するスペーサの厚み算出のための加算値を前記差に基づいて計算により求める工程と、前記スピンドルの外径テーパ部に対し、ベアリングアウタとベアリングとベアリングインナとの組付体を自重による食い込み状態にし、このときのスペーサ装着空隙部の隙間を測定する工程と、前記スペーサ厚み算出のための加算値と隙間測定値を加えた値に基づいてスペーサ厚みを決定し、この厚みのスペーサを使用して本組みするようにした。
【0007】
このように、各工程に経験やコツ等に頼る部分を無くすことにより、経験が少ない初心者等でも簡単に精度良く組付けることが出来るようになり、また高価な残留ラジアル隙間精密測定ゲージを用いなくても組付け出来るようになる。
尚、ベアリングアウタのちぢみ代に基づく加算値と、組付体を自重で食い込んだ状態にした時の隙間値とを加算した値に基づいてスペーサ厚みを決定することについては、経験則であり、また、ちぢみ代から計算で加算値を求める際の計算の基本になる係数等は、経験値等が用いられる。
【0008】
【発明の実施の形態】
本発明の実施の形態について添付した図面に基づき説明する。
ここで図1は本発明に係る軸受の組付方法の工程図、図2は同説明図、図3は軸受の組付状態図である。
【0009】
本発明に係る軸受の組付方法は、例えば内径テーパ部を有する円筒ころ軸受を、スピンドルの外径テーパ部に組み付ける際、高価な治具等を用いなくても、また経験の少ない人でも簡単に且つ精度良く組み付けることが出来るようにされており、まず、組付方法を説明する前に、このような円筒ころ軸受の組付状態について説明する。
【0010】
すなわち、図3に示すように、スピンドル1の外径テーパ部1tは円筒ころ軸受2によってハウジング3に対して回転自在に支持されており、円筒ころ軸受2のベアリングアウタ4は、ハウジング3内に密着状に挿入され、ベアリングインナ6は、スピンドル1の外径テーパ部1tに密着状に嵌合せしめられるとともに、ベアリングアウタ4とベアリングインナ6との間には、ベアリングとしての円筒ころ5が介装されている。
そして、ベアリングインナ6の内面には、外径テーパ部1tに嵌合可能な内径テーパ部6tが形成されており、また、このベアリングインナ6の圧入量はスペーサ7により適正に規制されている。
因みに、スピンドル1の軸部部分とハウジング3との間には、別の軸受が配設されている。
【0011】
次に、本発明に係る円筒ころ軸受2の組み付け方法について図1及び図2に基づき説明する。
まず、図2(a)に示すように、内径測定ゲージGによりベアリングアウタ4の内径を測定する。
次に、図2(b)に示すように、ベアリングアウタ4をハウジング3に挿入して再び内径測定ゲージGにより内径を測定し、前回の内径測定値との差を求めることにより、ちぢみ代を求める。
【0012】
次に、図1にも示すように、このちぢみ代からある係数(例えば5μ)を引いて、求められた値をテーパ度に対応する定数(例えば0.8)で割り、更に、この値にある係数(例えば10)を掛けて、この値を加算値とする。
尚、これらの計算に用いられる係数等は、経験値である。
【0013】
一方、ベアリングインナ6と、円筒ころ5と、ベアリングアウタ4を組み付けた状態の組付体を、スピンドル1の軸部に挿通させ、図2(c)に示すように、スピンドル1の外径テーパ部1tに対して自重による食い込み状態にし、この時のスペーサ装着空間部hの隙間cを測定する。
【0014】
そして、この隙間cの測定値と前記加算値を加え、これをある公差範囲(例えば+0、−0.005)内でスペーサ7を平研磨加工する。
【0015】
以上のようなスペーサ7の平研磨加工が終えると、円筒ころ軸受2の本組みが開始され、まず、ベアリングアウタ4をハウジング3に組み込んだ後、平研磨加工されたスペーサ7をスペーサ装着空間部hの4ヶ所に挟み込み、ベアリングインナ6をベアリングアウタ4にセットして、打込み治具によりベアリングインナ6を打込めば、組み付けが完了する。
【0016】
そしてこのような要領で組み付けた円筒ころ軸受2は、適正な回転重さが得られる。
また、従来のような高価な残留ラジアル隙間精密測定ゲージが不必要となり、コスト削減が図られる。
【0017】
尚、本発明は以上のような実施形態に限定されるものではない。本発明の特許請求の範囲に記載した事項と実質的に同一の構成を有し、同一の作用効果を奏するものは本発明の技術的範囲に属する。
例えば加算値を計算するための係数等は例示である。
【0018】
【発明の効果】
以上のように本発明に係る軸受の組付方法は、従来、高度の熟練者が勘やコツ等に頼って、しかも高価な歪みゲージを使用して組み付けていたものを、ゲージがなくても誰でも容易に精度良く組み付けることが出来るようにしたため、組付品の品質を良好に且つより均一ならしめることが出来、またコスト削減が図られるようになった。
【図面の簡単な説明】
【図1】本発明に係る軸受の組付方法の工程図
【図2】組付方法の説明図
【図3】軸受の組付状態図
【図4】従来の組付方法の説明図
【符号の説明】
1…スピンドル、1t…外径テーパ部、2…円筒ころ軸受、3…ハウジング、4…ベアリングアウタ、5…円筒ころ、6…ベアリングインナ、6t…内径テーパ部、7…スペーサ、h…スペーサ装着空間部、c…隙間。
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method for assembling a bearing having an inner diameter tapered portion to an outer diameter tapered portion of a spindle.
[0002]
[Prior art]
Conventionally, for example, when the cylindrical roller bearing 52 is assembled to the outer diameter tapered portion 51t of the spindle 51 as shown in FIG. 4 (d), the cylindrical roller bearing 52 is replaced with the bearing outer 53, the cylindrical roller 54 as a bearing, and the bearing. In the case where the inner part 55 is constituted, the spacer 56 is assembled so that the spindle 51 can be smoothly rotated. Therefore, when the bearing inner 55 is driven into the outer diameter tapered part 51t by adjusting the thickness of the spacer 56, the spacer 56 Therefore, it is necessary to assemble so that there is no backlash in the rotation and the rotation is not too heavy.
[0003]
For this reason, conventionally, in order to appropriately determine the thickness of the spacer 56, the following procedure is used.
That is, as shown in FIG. 4A, the bearing outer 53 is press-fitted into the housing 57, the inner diameter of the bearing outer 53 is measured with the inner diameter measuring gauge G, and the measured value is retained as shown in FIG. 4B. Set to the radial clearance precision measurement gauge Z.
Next, as shown in FIG. 4 (c), the bearing inner 55 and the cylindrical roller 54 are fitted to the outer diameter taper portion 51t, and the residual radial clearance precision measurement gauge Z is covered on the outer side, and the spacer mounting portion is covered with the block gauge. B is set, and the bearing inner 55 is driven by the driving jig T. When the rotational weight of the spindle 51 becomes appropriate, the clearance at that time is measured by the block gauge B.
Then, the bearing inner 55 and the cylindrical roller 54 are once removed, and the spacer 56 is subjected to a flat polishing process based on the value measured by the block gauge B. Thereafter, as shown in FIG. The bearing inner 55 is driven by a driving jig T and is assembled.
[0004]
[Problems to be solved by the invention]
However, the conventional method has a problem that the adjustment of the spindle rotation weight and backlash at the time of assembly relies on the intuition and knack of the operator, and the assembly work is difficult for beginners and the like.
Also, the residual radial clearance precision measurement gauge Z for accurate assembly is convenient for accurate assembly in a short time, but it is a dedicated product corresponding to each spindle diameter, and the unit price per unit In addition, in order to measure with high accuracy, a certain degree of skill is required, and there are various problems such as careful handling not to give an impact during handling.
[0005]
Accordingly, an object of the present invention is to enable easy and accurate assembly even for beginners with little experience without using an expensive residual radial clearance precision measurement gauge.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the present invention is a method for assembling a bearing outer, a bearing comprising a bearing and a bearing inner to an outer diameter taper portion of a spindle, the step of measuring the inner diameter of the bearing outer, After inserting into the housing and measuring the inner diameter, a step of obtaining a difference from the inner diameter measurement value, and for calculating the thickness of the spacer that regulates the driving amount when driving the bearing inner into the outer diameter taper portion of the spindle The step of obtaining the added value by calculation based on the difference, and the assembly of the bearing outer, the bearing and the bearing inner with respect to the outer diameter tapered portion of the spindle is bitten by its own weight, and the spacer mounting gap at this time A step of measuring the gap, and adding the added value and the gap measurement value for calculating the spacer thickness. Determine the spacer thickness based on the value, and so as to set this using a spacer of this thickness.
[0007]
In this way, by eliminating parts that rely on experience and tips in each process, even beginners with little experience can easily assemble with high accuracy, and without using expensive residual radial clearance precision measurement gauges But it can be assembled.
In addition, it is an empirical rule to determine the spacer thickness based on the value obtained by adding the added value based on the amount of friction of the bearing outer and the gap value when the assembled body is bitten by its own weight. Empirical values and the like are used as coefficients and the like that are the basis of calculation when obtaining an added value by calculation from the amount of charge.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described with reference to the accompanying drawings.
Here, FIG. 1 is a process diagram of a bearing assembling method according to the present invention, FIG. 2 is an explanatory view thereof, and FIG. 3 is a state diagram of assembling of the bearing.
[0009]
The method of assembling the bearing according to the present invention is easy even for a person with little experience, for example, without using an expensive jig or the like when assembling a cylindrical roller bearing having an inner diameter tapered portion to the outer diameter tapered portion of the spindle. First, the assembly state of such a cylindrical roller bearing will be described before the assembly method is described.
[0010]
That is, as shown in FIG. 3, the outer diameter taper portion 1 t of the spindle 1 is rotatably supported with respect to the housing 3 by the cylindrical roller bearing 2, and the bearing outer 4 of the cylindrical roller bearing 2 is placed in the housing 3. The bearing inner 6 is inserted in close contact with the outer diameter tapered portion 1t of the spindle 1 in close contact, and a cylindrical roller 5 serving as a bearing is interposed between the bearing outer 4 and the bearing inner 6. It is disguised.
An inner diameter taper portion 6t that can be fitted to the outer diameter taper portion 1t is formed on the inner surface of the bearing inner 6, and the press-fitting amount of the bearing inner 6 is appropriately regulated by the spacer 7.
Incidentally, another bearing is disposed between the shaft portion of the spindle 1 and the housing 3.
[0011]
Next, a method for assembling the cylindrical roller bearing 2 according to the present invention will be described with reference to FIGS.
First, as shown in FIG. 2A, the inner diameter of the bearing outer 4 is measured by the inner diameter measuring gauge G.
Next, as shown in FIG. 2 (b), the bearing outer 4 is inserted into the housing 3, the inner diameter is measured again by the inner diameter measurement gauge G, and the difference from the previous inner diameter measurement value is obtained. Ask.
[0012]
Next, as shown in FIG. 1, a certain coefficient (for example, 5 μ) is subtracted from the squeeze allowance, and the obtained value is divided by a constant (for example, 0.8) corresponding to the degree of taper. Multiply a certain coefficient (for example, 10) and use this value as the added value.
The coefficients used for these calculations are empirical values.
[0013]
On the other hand, the assembly in which the bearing inner 6, the cylindrical roller 5, and the bearing outer 4 are assembled is inserted into the shaft portion of the spindle 1, and as shown in FIG. The portion 1t is bitten by its own weight, and the gap c of the spacer mounting space h at this time is measured.
[0014]
Then, the measured value of the gap c and the added value are added, and the spacer 7 is flat polished within a certain tolerance range (for example, +0, −0.005).
[0015]
When the flat polishing of the spacer 7 as described above is completed, the main assembly of the cylindrical roller bearing 2 is started. First, the bearing outer 4 is assembled into the housing 3, and then the flat polished spacer 7 is used as the spacer mounting space portion. Assembling is completed when the bearing inner 6 is set on the bearing outer 4 and the bearing inner 6 is driven by a driving jig.
[0016]
And the cylindrical roller bearing 2 assembled | attached in such a way can obtain appropriate rotational weight.
Further, an expensive residual radial gap precision measurement gauge as in the prior art becomes unnecessary, and the cost can be reduced.
[0017]
The present invention is not limited to the above embodiment. What has substantially the same configuration as the matters described in the claims of the present invention and exhibits the same operational effects belongs to the technical scope of the present invention.
For example, the coefficient for calculating the added value is an example.
[0018]
【The invention's effect】
As described above, the method of assembling the bearing according to the present invention is a conventional method in which a highly skilled worker relies on intuition and knacks and uses an expensive strain gauge without using a gauge. Since anyone can easily assemble with high accuracy, the quality of the assembly can be made better and more uniform, and the cost can be reduced.
[Brief description of the drawings]
FIG. 1 is a process diagram of a bearing assembling method according to the present invention. FIG. 2 is an explanatory diagram of an assembling method. FIG. 3 is a diagram showing a state of assembling a bearing. Explanation of]
DESCRIPTION OF SYMBOLS 1 ... Spindle, 1t ... Outer diameter taper part, 2 ... Cylindrical roller bearing, 3 ... Housing, 4 ... Bearing outer, 5 ... Cylindrical roller, 6 ... Bearing inner, 6t ... Inner diameter taper part, 7 ... Spacer, h ... Spacer attachment Space part, c: gap.

Claims (1)

ベアリングアウタとベアリングとベアリングインナからなる軸受をスピンドルの外径テーパ部に組み付ける方法であって、前記ベアリングアウタの内径を測定する工程と、このベアリングアウタをハウジング内に挿入して内径を測定した後、前記内径測定値との差を求める工程と、前記ベアリングインナをスピンドルの外径テーパ部に打ち込む際の打ち込み量を規制するスペーサの厚み算出のための加算値を前記差に基づいて計算により求める工程と、前記スピンドルの外径テーパ部に対し、ベアリングアウタとベアリングとベアリングインナとの組付体を自重による食い込み状態にし、このときのスペーサ装着空隙部の隙間を測定する工程と、前記スペーサ厚み算出のための加算値と隙間測定値を加えた値に基づいてスペーサ厚みを決定し、この厚みのスペーサを使用して本組みすることを特徴とする内径テーパ部を有する軸受の組付方法。A method of assembling a bearing outer, a bearing comprising a bearing and a bearing inner to a spindle outer diameter taper portion, measuring the inner diameter of the bearing outer, and measuring the inner diameter by inserting the bearing outer into the housing The step of obtaining a difference from the inner diameter measurement value and the addition value for calculating the thickness of the spacer for regulating the driving amount when the bearing inner is driven into the outer diameter taper portion of the spindle are obtained by calculation based on the difference. And a step of making the assembly of the bearing outer, the bearing and the bearing inner bite by its own weight with respect to the outer diameter tapered portion of the spindle, and measuring the gap of the spacer mounting gap at this time, and the thickness of the spacer The spacer thickness is determined based on the sum of the added value for calculation and the measured gap value. Assembling method of a bearing having an inner diameter tapered portion, characterized in that the set using the spacer of this thickness.
JP2001149136A 2001-05-18 2001-05-18 Method of assembling a bearing having an inner diameter tapered portion Expired - Fee Related JP4017357B2 (en)

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JP2002340002A JP2002340002A (en) 2002-11-27
JP4017357B2 true JP4017357B2 (en) 2007-12-05

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