JPH0228506A - Measuring instrument for matching - Google Patents

Measuring instrument for matching

Info

Publication number
JPH0228506A
JPH0228506A JP17993588A JP17993588A JPH0228506A JP H0228506 A JPH0228506 A JP H0228506A JP 17993588 A JP17993588 A JP 17993588A JP 17993588 A JP17993588 A JP 17993588A JP H0228506 A JPH0228506 A JP H0228506A
Authority
JP
Japan
Prior art keywords
outer ring
measuring
inner ring
diameter
track
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.)
Granted
Application number
JP17993588A
Other languages
Japanese (ja)
Other versions
JPH079370B2 (en
Inventor
Shigeo Takada
高田 滋生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MENTO KENKYUSHO KK
Original Assignee
MENTO KENKYUSHO KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MENTO KENKYUSHO KK filed Critical MENTO KENKYUSHO KK
Priority to JP17993588A priority Critical patent/JPH079370B2/en
Publication of JPH0228506A publication Critical patent/JPH0228506A/en
Publication of JPH079370B2 publication Critical patent/JPH079370B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

PURPOSE:To obtain an accurate M value (diameter of an outer ring track minus diameter of an inner ring track) by measuring the track diameters of the outer and inner rings at the same time with two pairs of measuring probes and detecting errors of the diameters of each track directly in a detection part. CONSTITUTION:A dial gage 2 is mounted on a casing 1 as the detection part. A pair of the measuring probes 5, 6 mutually disposed to face oppositely is provided for the outer ring 3 to be measured, and also a pair of the probes 7, 8 disposed in the same manner is provided for the inner ring 4 to be measured. In this case, the measuring probes 6, 7 are formed in a linked structure 9 connected as one body. The probe 8 is fixed to the casing 1, the probe 5 is connected to energizing means 10 and the structure 9 is connected to the energizing means 11. The track diameter AB of the outer ring 3 and the track diameter CD of the inner ring 4 are measured at the same time by two pairs of the probes 5, 6 and 7, 8, then the accurate M value can be obtained by means of detecting the errors of each track diameter with the gage 2.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、ベアリングの各主要構成部材のうち特にベ
アリング内外輪の製造誤差を測定するマツチング測定装
置に関する。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a matching measuring device for measuring manufacturing errors of the inner and outer races of a bearing among the main components of a bearing.

〔従来の技術〕[Conventional technology]

ベアリングは、周知のように一般に、第6図に示すよう
に、その主要構成部材としてベアリング内輪 、転動体
 、ベアリング外輪 を有する。
As is well known, a bearing generally has a bearing inner ring, rolling elements, and a bearing outer ring as its main components, as shown in FIG.

このような構成部材は、それぞれの各工程を経て製造さ
れるが、各工程では当然製造誤差が含まれる。この製造
誤差は、製造後各部材ごとに測定され、各部材に許容さ
れた誤差外のものは不良品として除去され、残る規定範
囲内のものがベアリングとして組立てられる。
Such constituent members are manufactured through respective steps, and each step naturally includes manufacturing errors. This manufacturing error is measured for each member after manufacturing, and those outside the allowable error for each member are removed as defective products, and the remaining errors within the specified range are assembled as bearings.

しかし、許容誤差内の各構成部材であれば、これらをど
のように組合せてもよいのではなく、また許容誤差内と
いってもその誤差には計画寸法に橿めて近いものや士の
許容限度に近いものなど種々のものが含まれるから、こ
れらの誤差の大きさに応じて適当に各構成部材を組合せ
全体の製造誤差が規定範囲となるように各構成部材を選
択する必要がある。
However, as long as each component is within the tolerance, it is not permissible to combine them in any way. Since there are various types of errors, including those that are close to the limits, it is necessary to select each component so that the overall manufacturing error falls within the specified range by appropriately combining each component according to the magnitude of these errors.

かかる各構成部材を組合せるについて、第6図に示すベ
アリング外輪軌道径り0、内輪軌道径りをそれぞれ測定
してその寸法差を算出し、いくらの寸法の転動体径すの
ものを組込めば各部のスキマが規定寸法以内となるかの
組合せを決定するために各構成部材の測定をすることを
マツチング測定という、第7図(a)、(ロ)に外輪W
0、内輪W直それぞれの軌道径を測定する方法を示す。
When assembling these constituent members, measure the bearing outer ring raceway diameter 0 and inner ring raceway diameter shown in Fig. 6, calculate the dimensional difference, and determine what size of rolling element diameter to incorporate. For example, matching measurement is the measurement of each component in order to determine the combination in which the clearance of each part is within the specified size.
0 and the inner ring W diameter.

図示の測定方法では図(a)、図(ロ)のように外輪軌
道径、内輪軌道径をそれぞれ別個に測定し、それぞれの
測定結果を人手で記録するか又は電気的な手段で記録し
、さらに次のような計算式に従ってM値を求め、このM
値によって転動体との組合せが決定される。
In the illustrated measurement method, the outer ring raceway diameter and the inner ring raceway diameter are measured separately as shown in Figures (a) and (B), and the respective measurement results are recorded manually or by electrical means. Furthermore, calculate the M value according to the following calculation formula, and calculate this M value.
The combination with the rolling element is determined by the value.

ベアリングの基準寸法を第6図に示すように、外輪軌道
径D6、内輪軌道径り盈、転動体径b、スキマa ” 
a 1 + a z + a m + 84とすると、
D、−D!−2b−a       −””  (1)
但し、  a ”” a 1 + a t + a s
 + a 4(1)式は次のように変形することができ
る。
As shown in Figure 6, the standard dimensions of the bearing are: outer ring raceway diameter D6, inner ring raceway diameter outer diameter, rolling element diameter b, and clearance a.
If a 1 + a z + a m + 84,
D,-D! -2b-a -”” (1)
However, a ``” a 1 + a t + a s
+ a 4 Formula (1) can be transformed as follows.

D、    Dr−a  +  2  b  =M  
         −・・・・・・   (2)内輪、
外輪を生産する際に加工誤差が生じるので、その誤差を
それぞれ外輪に対して±61とし、これを(2)式に適
用すると、 (D、±δ、)−(D+±δ1”)−a+2b=Mδ・
・・・・・・・・ (3) (3)、(2)式より M δ =(D、−D 五)+(± δ。−± δ 五
)−M+(±δ。−±61)    ・・・・・・・・
・ (4)M値は基準寸法値であるから、±δ。、±6
1をそれぞれ測定することによりMδ、即ち誤差δ。、
δ盈が生じているときのM値が求められる。(2)式か
ら分かるように、M値が求められると転動体との組合せ
によってスキマaを許容誤差内とすることができかどう
か容易に分かる。
D, Dr-a + 2 b = M
-・・・・・・ (2) Inner circle,
Since processing errors occur when producing the outer ring, each error is set to ±61 for the outer ring, and when this is applied to equation (2), (D, ±δ,) − (D + ± δ1”) − a + 2b =Mδ・
・・・・・・・・・ (3) From formulas (3) and (2), M δ = (D, -D 5) + (± δ. -± δ 5) - M + (± δ. - ± 61)・・・・・・・・・
- (4) Since the M value is a standard dimension value, ±δ. , ±6
1 by measuring Mδ, that is, the error δ. ,
The M value when δ emitting occurs is determined. As can be seen from equation (2), once the M value is determined, it can be easily determined whether or not the clearance a can be kept within the allowable error by combining with the rolling elements.

〔発明が解決しようとする!mat) しかしながら、上述した従来の測定方法では測定値がデ
ィジタル化されるため測定値に測定誤差が生じ、しかも
各々の測定値の減算時において計算誤差が生じる。従っ
て、測定誤差に計算誤差が倍加されて求めるべき測定値
に大きな誤差が含まれることになる。
[Invention tries to solve it! However, in the conventional measuring method described above, since the measured values are digitized, measurement errors occur in the measured values, and furthermore, calculation errors occur when subtracting each measured value. Therefore, the measurement error is multiplied by the calculation error, and the measured value to be obtained includes a large error.

特に最近のミニチェア化されたベアリングでは。Especially with the recent mini-chaired bearings.

スキマ公差の設定範囲が狭く、極めて高精度な測定が要
求される。このため、従来のマツチング測定方法では、
現在要求されている高精度なベアリングには対応できす
゛、不十分な測定結果しか得られない。
The clearance tolerance setting range is narrow, and extremely high precision measurement is required. Therefore, in the conventional matching measurement method,
It cannot meet the high-precision bearings that are currently required, but only provides inadequate measurement results.

また、前述したようなそれぞれ別個に測定する測定方法
であるため、高精度なベアリングに対応できないだけで
なく、機能の単純化及び測定工数の短縮化が困難であり
、このため自動計測化する上でも不利であるという問題
がある。
In addition, since the measurement method described above measures each item separately, it is not only incompatible with high-precision bearings, but also difficult to simplify functions and shorten measurement man-hours. However, there is a problem that it is disadvantageous.

この発明は上記のようなマツチング測定方法の技術の現
状に鑑みなされたものであり、その目的はベアリング内
、外輪を互いに連動する2つのリンク機構を介して同時
に測定し、マツチング測定の基本となるM値(=外輪軌
道−内輪軌道径)を直接表示できる機構を採用して前記
測定機作及び構造上の欠陥の発生を排除し、測定方法を
機械的にアナログ化することによって種々の誤差の発生
を防止した極めて高精度なマツチング測定装置を提供す
るにある。
This invention was made in view of the current state of the technology of the matching measurement method as described above, and its purpose is to simultaneously measure the inner and outer rings of the bearing via two link mechanisms that interlock with each other, which is the basis of matching measurement. By adopting a mechanism that can directly display the M value (= outer ring raceway - inner ring raceway diameter), the occurrence of defects in the measurement mechanism and structure is eliminated, and by mechanically analogizing the measurement method, various errors can be eliminated. An object of the present invention is to provide an extremely high-precision matching measuring device that prevents matching from occurring.

〔課題を解決するための手段〕[Means to solve the problem]

そこで、この発明では上記課題を解決するための手段と
して、ケーシング内に互いに並置したベアリングの外輪
、内輪に対して、外輪軌道径を測定する互いに対向配置
した一対の測定子と、同様に内輪軌道径を測定するもう
一対の測定子と、外輪用の測定子の一方の移動量からM
値を検知する検知部とを備え、外輪用の測定子の一方と
内輪用の測定子の一方が一体のリンク機構を形成し、外
輪用のもう一方の測定子とリンク機構はそれぞれ弾性手
段で内、外輪の半径方向に付勢され、内輪用のもう一方
の測定子を固定の測定子として設けた構成を採用したの
である。
Therefore, in this invention, as a means for solving the above problem, a pair of measuring elements are provided to measure the outer ring raceway diameter of the outer ring and the inner ring of the bearing, which are arranged in parallel to each other in the casing. M from the amount of movement of the other pair of probes that measure the diameter and one of the probes for the outer ring.
One of the gauge heads for the outer ring and the other of the gauge heads for the inner ring form an integrated link mechanism, and the other gauge head for the outer ring and the link mechanism are each made of elastic means. A configuration was adopted in which the inner and outer rings were biased in the radial direction, and the other measuring element for the inner ring was provided as a fixed measuring element.

〔作用〕[Effect]

上記のように構成したこの発明によるマツチング測定装
置では、外輪、内輪に対してその軌道径を測定するため
それぞれ各一対の測定子が同時に当接される。測定子は
外輪軌道径、内輪軌道径の誤差によってそれぞれ基準寸
法位置より移動し、これによってM値が測定される。
In the matching measuring device according to the present invention configured as described above, each pair of probes is brought into contact with the outer ring and the inner ring at the same time in order to measure the raceway diameters of the inner ring and the outer ring. The measuring stylus moves from its standard dimensional position due to errors in the outer ring raceway diameter and inner ring raceway diameter, and thereby the M value is measured.

前述したように基準軌道径、誤差を含む場合のM値はそ
れぞれ次式で表わされる。
As mentioned above, the reference orbit diameter and the M value including the error are expressed by the following equations.

M= a + 2 b = D、 −D!    −”
・・(1)Mδ=(D0±δ。)  (D+±δりモM
+(±δ。−±δ、)   ・・・・・・・・・ (2
)従って、(±δ。−±δ止)が測定されれば誤差を含
む場合のM値が直ちに求められる。
M= a + 2 b = D, -D! −”
...(1) Mδ=(D0±δ.) (D+±δ Rimo M
+(±δ.−±δ,) ・・・・・・・・・(2
) Therefore, if (±δ.−±δstop) is measured, the M value including an error can be immediately obtained.

この発明では、外輪用の測定子の一方と内輪用の測定子
の一方をリンク機構として一体に形成し、外輪用のもう
一方の測定子とリンク機構をそれぞれ弾性手段で付勢し
、内輪用のもう一方の測定子を固定の測定子として構成
したから、上記(2)式の(±δ。−十61)は、δ。
In this invention, one of the measuring elements for the outer ring and one of the measuring elements for the inner ring are integrally formed as a link mechanism, and the other measuring element for the outer ring and the link mechanism are each urged by elastic means, and the other measuring element for the outer ring and the link mechanism are urged by elastic means. Since the other measuring element was constructed as a fixed measuring element, (±δ.-161) in the above equation (2) is δ.

、δムをそれぞれ単独に測定し計算によって求めるので
はな(、(±δ。
, δ are not measured individually and calculated. (, (±δ.

−±δi)の計算結果の値が直接検知部により検知され
るから、測定誤差、計算誤差を全(含まない正確な値と
してM値が求められる。
-±δi) is directly detected by the detection unit, so the M value can be determined as an accurate value that does not include measurement errors and calculation errors.

〔実施例〕〔Example〕

以下この発明の実施例を添付図を参照して説明する。 Embodiments of the present invention will be described below with reference to the accompanying drawings.

図示のように、この実施例の測定装置は適宜形状のケー
シング1に検知部としてダイアルゲージ2が取り付けら
れている。3.4は測定すべきベアリングの外輪、内輪
であり、図示のように互いに並置され、適宜手段でその
中心を所定位置に保持している。外輪3に対して互いに
対向して配置された一対の測定子5.6が、内輪4に対
して同様に配置された一対の測定子7.8が設けられて
いる。測定子6.7は一体に連結されリンク機構9を形
成している。測定子8はケーシング1の適宜位置に固定
された測定子である。測定子5は付勢手段10、リンク
機構9はもう1つの付勢手段11に接続され、図示の場
合は外輪3、内輪4の自重に釣り合うばね強さでそれぞ
れ吊り下げられている。
As shown in the figure, the measuring device of this embodiment has a dial gauge 2 as a detection section attached to a suitably shaped casing 1. Reference numerals 3.4 denote the outer ring and inner ring of the bearing to be measured, which are placed side by side as shown in the figure, and whose centers are held at a predetermined position by suitable means. A pair of measuring elements 5.6 are arranged opposite to each other on the outer ring 3, and a pair of measuring elements 7.8 are similarly arranged on the inner ring 4. The probes 6.7 are connected together to form a link mechanism 9. The measuring element 8 is a measuring element fixed at an appropriate position on the casing 1. The measuring element 5 is connected to a biasing means 10, and the link mechanism 9 is connected to another biasing means 11, and in the illustrated case, they are each suspended with a spring strength that balances the weight of the outer ring 3 and the inner ring 4.

ダイアルゲージ2は測定子5の移動量を電気信号に変換
する、例えば差動トランスを用いた検知部としてもよい
The dial gauge 2 may be a detection section using, for example, a differential transformer, which converts the amount of movement of the measuring element 5 into an electrical signal.

以上のように構成したこの実施例による測定方法につい
て以下第2〜第5図を参照して説明する。
The measuring method according to this embodiment configured as above will be explained below with reference to FIGS. 2 to 5.

この実施例による測定方法を実施する場合、前述したよ
うに外輪の誤差±δ。、内輪の誤差±δ直とすると、 ±δ。−±δ、mM から、基準径に対する誤差δ。、δ1を計測することに
よってM値が求められる;このマツチング測定における
測定の組合せは次の8通りがある。
When carrying out the measurement method according to this embodiment, the error of the outer ring is ±δ as described above. , if the error of the inner ring is ±δ straight, then ±δ. -±δ,mM Error δ with respect to the reference diameter. , δ1; the M value is determined by measuring δ1; there are the following eight combinations of measurements in this matching measurement.

外輪  +δ。 −δ。  0  0  +δ。  −
δ。 +δ。
Outer ring +δ. −δ. 0 0 + δ. −
δ. +δ.

内輪o    o   +4. −δ五  −δ盈  
−δ直 +δゑ一δ。
Inner circle o o +4. −δ5 −δ盈
−δdirect +δゑ一δ.

十δ直 +21           (11(31+41上記
8通りの組合せのうち(1)〜(4)の4通りについて
第2図〜第5図に示す。
10 δ direct + 21 (11 (31 + 41) Of the above eight combinations, four combinations (1) to (4) are shown in FIGS. 2 to 5.

(1)第2図(ロ)は内輪径が(a)図に示すように基
準寸法よりδ最小さい誤差(−6りを有し、外輪径は基
準寸法通りの場合を示す、内輪、外輪、測定子の実線は
基準寸法位置を示し、−点鎖線は上記誤差δ盈により移
動した状態を示す。
(1) Figure 2 (B) shows the case where the inner ring diameter has a minimum error (-6) from the standard dimension as shown in Figure (a), and the outer ring diameter is the same as the standard dimension. , the solid line of the measuring stylus indicates the reference dimension position, and the dashed-dotted line indicates the state of movement due to the above-mentioned error δ.

まず内輪4に対して測定子を当接させる場合、固定の測
定子8はその測定端が移動しないから、測定子7を内輪
4に当接させるとリンク機構9の弾性手段11により内
輪4は距離δ盈へだけ引き上げられて測定子8に当接せ
しめられると共に測定子7が当接する。従って、測定子
7は内輪4の基準寸法位置より+δ、上方に移動する。
First, when bringing the gauge head into contact with the inner ring 4, the measuring end of the fixed gauge head 8 does not move, so when the gauge head 7 is brought into contact with the inner ring 4, the inner ring 4 is It is pulled up to a distance δ and brought into contact with the measuring stylus 8, and the measuring stylus 7 is brought into contact therewith. Therefore, the measuring stylus 7 moves +δ above the reference dimensional position of the inner ring 4.

なお、図中上方への移動を(+)、下方を(−)と表示
する。
Note that upward movement in the figure is indicated by (+) and downward movement is indicated by (-).

測定子7が+δ直移動すると、これと一体のリンク機構
をなす測定子6も同じく+δ直上方へ移動する。外輪3
の内径は基準寸法通りであると仮定しているから、測定
子6の移動により測定子6と外輪3の内径との間でδ□
のスキマが生じようとするが、もう1つの測定子5も弾
性手段10により常に上方に付勢されているから、その
スキマをOにするべく測定子5が外輪3を上方に引き上
げ測定子6に外輪3の内径が当接した位置で止まる。従
って、測定子5も+δ直上方へ移動するから、この移動
距離がダイアルゲージ2により測定され、内輪4の外径
誤差が測定される。
When the measuring stylus 7 moves directly by +δ, the measuring stylus 6 forming an integral link mechanism also moves directly above +δ. Outer ring 3
Since it is assumed that the inner diameter of is the same as the standard dimension, δ
However, since the other measuring element 5 is also constantly urged upward by the elastic means 10, the measuring element 5 lifts the outer ring 3 upward to reduce the gap to O, and the measuring element 6 It stops at the position where the inner diameter of the outer ring 3 comes into contact with the inner diameter of the outer ring 3. Therefore, since the measuring stylus 5 also moves directly above +δ, this moving distance is measured by the dial gauge 2, and the outer diameter error of the inner ring 4 is measured.

ここで、M値の一般弐〇−Di”Mに対し、内輪軌道径
がδム小さい時の計算式をD−(Di−61)=M’と
すると、 M’ −D−D++61xM+61 であるから、基準のM値に対して測定した誤差δ」が分
れば、M′が直ちに分る。即ち、測定値がそのまま使用
できる。
Here, for the general M value 2〇-Di''M, if the calculation formula when the inner ring raceway diameter is smaller than δ is D-(Di-61)=M', then M' -D-D++61xM+61. , the error δ measured with respect to the reference M value, M' can be immediately found. That is, the measured values can be used as they are.

(2)第3図は外輪軌道径が基準寸法D0よりδ。(2) In Figure 3, the outer ring raceway diameter is δ from the standard dimension D0.

小さい誤差(−δ。)を有し、内輪軌道径が基準寸法り
、である、とする。
It is assumed that there is a small error (-δ.) and that the inner ring raceway diameter is the reference dimension.

この場合は、固定の測定子8のため測定子7.6も全く
移動しないから、外輪軌道径の誤差δ。
In this case, since the measuring element 8 is fixed and the measuring element 7.6 does not move at all, the error in the outer ring raceway diameter is δ.

のうち下方の誤差δ。へのため外輪3は下方にδ。/2
だけ押し下げられる。上方には残りδ。への誤差がある
から測定子5は合計δ。だけ押下げられた位置で止まる
。従って測定子5の移動量−δ。がゲージに現われる。
The lower error δ. Because of this, the outer ring 3 moves downward by δ. /2
only pushed down. The remaining δ is above. Since there is an error in the measurement head 5, the total value is δ. It will stop at the position where it is pressed down. Therefore, the amount of movement of the probe 5 is −δ. will appear on the game.

D、−Di=M  に対して、 Do−δ。−M“とす
ると、 M“=M−δ。となる。
For D, -Di=M, Do-δ. -M", then M"=M-δ. becomes.

(3)第4図は外輪軌道径が基準寸法D0よりδ。(3) In Figure 4, the outer ring raceway diameter is δ from the standard dimension D0.

小さく、内輪軌道径が基準寸法Diより61大きいとし
た場合を示す。
The case where the inner ring raceway diameter is 61 larger than the standard dimension Di is shown.

この場合は、まず内輪4については(1)の場合と反対
に基準寸法より61内輪軌道径が大きいから、測定子7
は−δl即ち下方へδ直移動する。このため測定子6も
同じく一δi移動し、この状態の測定子6に対して(2
)の場合と同じ誤差が重ねられる。即ち外輪3がδ。へ
下方に下げられ、測定子5は合計δ。だけ下げられる。
In this case, first of all, as for the inner ring 4, contrary to the case (1), the inner ring raceway diameter is larger than the standard dimension.
moves −δl, that is, directly moves downward by δ. Therefore, the probe 6 also moves by δi, and with respect to the probe 6 in this state (2
) is superimposed on the same errors as in the case of ). That is, the outer ring 3 is δ. The probe 5 is lowered downward to the total δ. can be lowered only.

従って、測定子5の移動量は−(δ1+δ。)となる。Therefore, the amount of movement of the probe 5 is -(δ1+δ.).

一般式M = D −−D +  に対して (D、−
δ。)−(Di−δi) = M ”  とすると、M
”=M−(δ。+61)となる。
For the general formula M = D −−D + (D, −
δ. )−(Di−δi)=M”, then M
”=M−(δ.+61).

(4)第5図は外輪軌道径、内輪軌道径ともδ0、δム
ずつ小さいものとした場合を示す。
(4) FIG. 5 shows the case where both the outer ring raceway diameter and the inner ring raceway diameter are made smaller by δ0 and δm.

(1)、(2)、(3)の場合を参照すると、測定子5
の移動量は(δ1−δ。)となる。
Referring to cases (1), (2), and (3), the contact point 5
The amount of movement is (δ1−δ.).

従って、一般式M−D、−D!  に対して (D。Therefore, the general formula M-D, -D! For (D.

δ。)  (Di−δム)−M  とすると、M  =
M−(δ。+δりとなる。
δ. ) (Di-δm)-M, then M =
M-(δ.+δ).

以上4つの場合についてのみ測定方法を説明したが、そ
の他の場合も同様にして外輪、内輪の誤差を測定子を連
動させて測定することによって正確に求めることができ
ることは明らかであろう。
Although the measurement method has been explained only in the above four cases, it is clear that in other cases as well, the error of the outer ring and inner ring can be accurately determined by interlocking the measuring heads and measuring.

〔効果〕〔effect〕

以上詳細に説明したように、この発明では2対の測定子
により外輪、内輪の軌道径を同時に測定し、それぞれ軌
道径の誤差(±δ。−±δム)を直接検知部で検知する
ようにしたから、測定誤差、計算誤差を含まない正確な
M値を求めることができる。又、その構成から 作業時
間の短縮化、自動計測化も容易になるというメリットも
あり、極めて有益である。
As explained in detail above, in this invention, the raceway diameters of the outer ring and inner ring are simultaneously measured using two pairs of probes, and the error (±δ. -±δmm) in each raceway diameter is directly detected by the detection unit. , it is possible to obtain an accurate M value that does not include measurement errors or calculation errors. In addition, its configuration has the advantage of shortening work time and facilitating automatic measurement, which is extremely beneficial.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図はこの発明によるマツチング測定装置の実施例の
概略図、第2図〜第5図は測定方法を説明する図、第6
図はベアリングの断面図、第7図は従来の測定方法を説
明する図である。 1・・・・・・ケーシング、 2・・・・・・ダイアルゲージ、 3・・・・・・外輪、      4・・・・・・内輪
、5.6.7.8・・・・・・測定子、 10.11・・・・・・弾性手段、 Do・・・・・・外輪軌道径、 D、・・・・・・内輪
軌道径。 特許出願人 株式会社メント研究所 同
FIG. 1 is a schematic diagram of an embodiment of the matching measuring device according to the present invention, FIGS. 2 to 5 are diagrams explaining the measuring method, and FIG.
The figure is a sectional view of the bearing, and FIG. 7 is a diagram illustrating a conventional measurement method. 1...Casing, 2...Dial gauge, 3...Outer ring, 4...Inner ring, 5.6.7.8... Measuring element, 10.11...Elastic means, Do...Outer ring raceway diameter, D,...Inner ring raceway diameter. Patent applicant Ment Research Institute Co., Ltd.

Claims (3)

【特許請求の範囲】[Claims] (1)ケーシング内に互いに並置したベアリングの外輪
、内輪に対して、外輪軌道径を測定する互いに対向配置
した一対の測定子と、同様に内輪軌道径を測定するもう
一対の測定子と、外輪用の測定子の一方の移動量からM
値を検知する検知部とを備え、外輪用の測定子の一方と
内輪用の測定子の一方が一体のリンク機構を形成し、外
輪用のもう一方の測定子とリンク機構はそれぞれ弾性手
段で内、外輪の半径方向に付勢され、内輪用のもう一方
の測定子を固定の測定子として設けて成るマッチング測
定装置。
(1) With respect to the outer ring and inner ring of a bearing that are placed side by side in the casing, a pair of measuring elements are placed facing each other to measure the outer ring raceway diameter, another pair of measuring elements are placed opposite each other to measure the inner ring raceway diameter, and the outer ring M from the amount of movement of one of the probes for
One of the gauge heads for the outer ring and the other of the gauge heads for the inner ring form an integrated link mechanism, and the other gauge head for the outer ring and the link mechanism are each made of elastic means. A matching measuring device which is biased in the radial direction of the inner and outer rings and has the other measuring element for the inner ring as a fixed measuring element.
(2)前記検知部をダイアルゲージとしたことを特徴と
する請求項1に記載のマッチング測定装置。
(2) The matching measuring device according to claim 1, wherein the detection section is a dial gauge.
(3)前記弾性手段をばねにより形成したことを特徴と
する請求項1に記載のマッチング測定装置。
(3) The matching measuring device according to claim 1, wherein the elastic means is formed of a spring.
JP17993588A 1988-07-19 1988-07-19 Matching measuring device Expired - Lifetime JPH079370B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17993588A JPH079370B2 (en) 1988-07-19 1988-07-19 Matching measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17993588A JPH079370B2 (en) 1988-07-19 1988-07-19 Matching measuring device

Publications (2)

Publication Number Publication Date
JPH0228506A true JPH0228506A (en) 1990-01-30
JPH079370B2 JPH079370B2 (en) 1995-02-01

Family

ID=16074510

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17993588A Expired - Lifetime JPH079370B2 (en) 1988-07-19 1988-07-19 Matching measuring device

Country Status (1)

Country Link
JP (1) JPH079370B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113834407A (en) * 2020-06-23 2021-12-24 长春市春求科技开发有限公司 Measure utensil of examining of tooth hub M value

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113834407A (en) * 2020-06-23 2021-12-24 长春市春求科技开发有限公司 Measure utensil of examining of tooth hub M value

Also Published As

Publication number Publication date
JPH079370B2 (en) 1995-02-01

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