JPH08166227A - Inner diameter measuring jet for pneumatic gage - Google Patents
Inner diameter measuring jet for pneumatic gageInfo
- Publication number
- JPH08166227A JPH08166227A JP31176894A JP31176894A JPH08166227A JP H08166227 A JPH08166227 A JP H08166227A JP 31176894 A JP31176894 A JP 31176894A JP 31176894 A JP31176894 A JP 31176894A JP H08166227 A JPH08166227 A JP H08166227A
- Authority
- JP
- Japan
- Prior art keywords
- hole
- inner diameter
- air
- measuring
- nozzles
- 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
Links
- 238000009751 slip forming Methods 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Measuring Arrangements Characterized By The Use Of Fluids (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は空気マイクロメータ用
内径測定ジェットに係り、特にワークに形成された穴に
測定ヘッドを挿入し、測定ヘッドの外周に形成されたノ
ズルから空気を吹き出して穴の内径を測定する空気マイ
クロメータ用内径測定ジェットに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inner diameter measuring jet for an air micrometer, and in particular, a measuring head is inserted into a hole formed in a work and air is blown out from a nozzle formed on the outer periphery of the measuring head. The present invention relates to an inner diameter measuring jet for an air micrometer for measuring an inner diameter.
【０００２】[0002]
【従来の技術】空気マイクロメータ用内径測定ジェット
でワークに加工された穴の内径を測定する場合、先ず、
マスタを使用して空気マイクロメータの倍率調整及び零
調整を行う。次に、空気マイクロメータ用内径測定ジェ
ットの測定ヘッドを穴内に嵌入して、測定ヘッドの外周
に形成されたノズルから穴の内周面に空気を吹き出す。
そして、ノズルから吹き出された空気の流量に基づいて
ワークの穴径を測定する。この場合、測定ヘッドの外周
には３個又は４個のノズルが一定間隔をおいて形成さ
れ、この３個又は４個のノズルと穴の内周との隙間を流
れる空気流量に基づいて穴の平均内径を測定する。2. Description of the Related Art When measuring the inner diameter of a hole machined in a work with an inner diameter measuring jet for an air micrometer, first,
Use the master to adjust the magnification and zero of the air micrometer. Next, the measuring head of the inner diameter measuring jet for the air micrometer is fitted into the hole, and air is blown to the inner peripheral surface of the hole from the nozzle formed on the outer circumference of the measuring head.
Then, the hole diameter of the work is measured based on the flow rate of the air blown from the nozzle. In this case, three or four nozzles are formed at regular intervals on the outer circumference of the measurement head, and the hole flow rate is determined based on the air flow rate flowing through the gap between the three or four nozzles and the inner circumference of the hole. Measure the average inner diameter.
【０００３】[0003]
【発明が解決しようとする課題】ところで、ワークに形
成された穴の真円度精度が悪い場合、穴形状は楕円形２
（図５参照）、三角形４（図６参照）又は四角形６（図
７参照）等に加工される。従って、例えば測定ヘッドに
４個のノズルが形成されている場合、楕円形２の位置Ｐ
1 、Ｐ2 、Ｐ3 、Ｐ4 を４個のノズルで測定することに
より穴の平均内径を正確に測定することができる。By the way, when the accuracy of the roundness of the hole formed in the work is poor, the hole shape is elliptical.
(See FIG. 5), a triangle 4 (see FIG. 6) or a quadrangle 6 (see FIG. 7). Therefore, for example, when four nozzles are formed in the measuring head, the position P of the ellipse 2 is
By measuring 1 , P 2 , P 3 , and P 4 with four nozzles, the average inner diameter of the hole can be accurately measured.
【０００４】しかし、４個のノズルが形成された測定ヘ
ッドでは、三角形や四角形に加工された穴の平均内径を
正確に測定することができないという問題がある。ま
た、３個のノズルが形成された測定ヘッドで穴を測定す
る場合、楕円形、三角形又は四角形に加工された穴の平
均内径を正確に測定することができないという問題があ
る。However, the measuring head having four nozzles has a problem that it is not possible to accurately measure the average inner diameter of a hole machined into a triangle or a quadrangle. Further, when measuring a hole with a measuring head having three nozzles, there is a problem that the average inner diameter of the hole machined into an ellipse, a triangle or a quadrangle cannot be accurately measured.
【０００５】本発明はこのような事情に鑑みてなされた
もので、ワークに形成された穴の平均内径を正確に検出
することができる空気マイクロメータ用内径測定ジェッ
トを提供することを目的とする。The present invention has been made in view of the above circumstances, and an object thereof is to provide an inner diameter measuring jet for an air micrometer capable of accurately detecting the average inner diameter of a hole formed in a work. .
【０００６】[0006]
【課題を解決するための手段】本発明は、前記目的を達
成する為に、ワークに形成された穴に測定ヘッドを挿入
し、前記測定ヘッドに形成されたノズルから空気を吹き
出して前記穴の内径を測定する空気マイクロメータ用内
径測定ジェットにおいて、前記測定ヘッドの全周に前記
ノズルを複数個連続的に形成し、前記複数のノズルから
吹き出された空気で前記複数のノズルと前記穴の内周と
の隙間を測定して前記穴の平均内径を測定することを特
徴としている。In order to achieve the above object, the present invention inserts a measuring head into a hole formed in a work, and blows air from a nozzle formed in the measuring head so that In an inner diameter measuring jet for an air micrometer for measuring an inner diameter, a plurality of the nozzles are continuously formed around the entire circumference of the measuring head, and air blown out from the plurality of nozzles is used to form the plurality of nozzles and the holes. The average inner diameter of the hole is measured by measuring the gap with the circumference.
【０００７】また、本発明は、前記目的を達成する為
に、ワークに形成された穴に測定ヘッドを挿入し、前記
測定ヘッドに形成されたノズルから空気を吹き出して前
記穴の内径を測定する空気マイクロメータ用内径測定ジ
ェットにおいて、前記測定ヘッドの全周に一対の凸条部
を環状に形成し、前記一対の凸条部間に前記ノズルを形
成し、前記ノズルから吹き出された空気で前記一対の凸
条部と前記穴の内周との隙間を測定して前記穴の平均内
径を測定することを特徴としている。In order to achieve the above object, the present invention inserts a measuring head into a hole formed in a work and blows air from a nozzle formed in the measuring head to measure the inner diameter of the hole. In an inner diameter measuring jet for an air micrometer, a pair of ridges is formed in an annular shape on the entire circumference of the measuring head, the nozzle is formed between the pair of ridges, and the air blown from the nozzle is used. It is characterized in that the average inner diameter of the hole is measured by measuring the gap between the pair of ridges and the inner circumference of the hole.
【０００８】[0008]
【作用】本発明によれば、測定ヘッドの全周に複数個連
続的に形成したノズルから空気を吹き出し、複数のノズ
ルから吹き出された空気で複数のノズルと穴の内周との
隙間を測定して穴の平均内径を測定する。従って、ワー
クに形成された穴の全周において平均内径を測定するこ
とができる。According to the present invention, air is blown from a plurality of nozzles continuously formed on the entire circumference of the measuring head, and the air blown from the plurality of nozzles measures the gap between the plurality of nozzles and the inner circumference of the hole. Then, measure the average inner diameter of the hole. Therefore, the average inner diameter can be measured over the entire circumference of the hole formed in the work.
【０００９】また、本発明によれば、測定ヘッドの全周
に一対の環状の凸条部を形成し、この一対の凸条部間に
ノズルを形成した。そして、ノズルから吹き出された空
気で一対の凸条部と穴の内周との隙間を測定することに
より穴の平均内径を測定する。従って、ワークに形成さ
れた穴の全周において平均内径を測定することができ
る。Further, according to the present invention, a pair of annular ridges is formed on the entire circumference of the measuring head, and a nozzle is formed between the pair of ridges. Then, the average inner diameter of the hole is measured by measuring the gap between the pair of ridges and the inner circumference of the hole with the air blown from the nozzle. Therefore, the average inner diameter can be measured over the entire circumference of the hole formed in the work.
【００１０】[0010]
【実施例】以下添付図面に従って本発明に係る空気マイ
クロメータ用内径測定ジェットについて詳説する。図１
には本発明に係る空気マイクロメータ用内径測定ジェッ
トの側面図が示されている。図２にはそのＡ−Ａ断面図
が示されている。空気マイクロメータ用内径測定ジェッ
トは測定ヘッド１０を備えている。測定ヘッド１０は略
筒状に形成され、測定ヘッド１０には同軸上に流路１２
が形成されている。流路１２は図示しない空気供給手段
に連通されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An inner diameter measuring jet for an air micrometer according to the present invention will be described below in detail with reference to the accompanying drawings. FIG.
A side view of an inner diameter measuring jet for an air micrometer according to the present invention is shown in FIG. FIG. 2 shows a sectional view taken along line AA. The inner diameter measuring jet for an air micrometer is equipped with a measuring head 10. The measuring head 10 is formed in a substantially cylindrical shape, and the measurement head 10 has a coaxial flow path 12
Are formed. The flow path 12 is in communication with an air supply means (not shown).
【００１１】測定ヘッド１０の外周には所定間隔をおい
て測定部１４、１４…が形成されている。測定部１４は
矩形状に形成され、その中央にはノズル１６が形成され
ている。ノズル１６、１６…は測定ヘッド１０に放射状
に形成され、ノズル１６、１６…は流路１２に連通す
る。また、測定部１４、１４間にはそれぞれ空気逃し用
溝１８Ａ、１８Ａ…が軸線方向に延長して形成され、測
定部１４、１４…の左右端部にはそれぞれ空気逃し用溝
１８Ｂ、１８Ｂが円周方向に沿って環状に形成されてい
る。.. are formed on the outer periphery of the measuring head 10 at predetermined intervals. The measuring unit 14 is formed in a rectangular shape, and a nozzle 16 is formed in the center thereof. The nozzles 16, 16 ... Are radially formed on the measuring head 10, and the nozzles 16, 16 ... Communicate with the flow path 12. Further, air-releasing grooves 18A, 18A ... Are formed between the measuring portions 14, 14 so as to extend in the axial direction, and air-releasing grooves 18B, 18B are respectively formed at the left and right ends of the measuring portions 14, 14. It is formed in an annular shape along the circumferential direction.
【００１２】そして、測定部１４、１４…の左右側に、
測定部１４、１４…に対向して空気逃し用溝１８Ａ、１
８Ａ間にそれぞれガイド部２０、２０…が形成されてい
る。ガイド部２０、２０…は測定ヘッド１０に同軸上に
形成されている。ガイド部２０は測定部１４より段差が
高くなるように形成されている。従って、ワーク２２に
形成された穴２２Ａに測定ヘッド１０を挿入すると、測
定ヘッド１０はガイド部２０、２０…で穴２２Ａ内に支
持され、測定部１４、１４…と穴２２Ａの内周壁部とで
隙間Ｓ1 が形成される。Then, on the left and right sides of the measuring parts 14, 14, ...
Air-releasing grooves 18A, 1 facing the measurement units 14, 14 ...
The guide portions 20, 20 ... Are formed between 8A. The guide portions 20, 20 ... Are formed coaxially with the measuring head 10. The guide portion 20 is formed to have a higher step than the measuring portion 14. Therefore, when the measuring head 10 is inserted into the hole 22A formed in the work 22, the measuring head 10 is supported in the hole 22A by the guide portions 20, 20 ... And the measuring portions 14, 14 ... And the inner peripheral wall portion of the hole 22A. Thus, the gap S 1 is formed.
【００１３】前記の如く構成された本発明に係る空気マ
イクロメータ用内径測定ジェットの作用について説明す
る。先ず、マスタを使用して空気マイクロメータの倍率
調整及び零調整を行う。次に、測定ヘッド１０をワーク
２２の穴２２Ａに挿入し、図示しない空気供給手段を作
動して空気を流路１２に供給する。流路１２に供給され
た空気はノズル１６、１６…に供給され、その先端部か
ら穴２２Ａ内に空気を吹き出す（図１の矢印を参照）。The operation of the inner diameter measuring jet for an air micrometer according to the present invention constructed as described above will be described. First, the master is used to adjust the magnification and zero of the air micrometer. Next, the measuring head 10 is inserted into the hole 22A of the work 22, and the air supply means (not shown) is operated to supply the air to the flow path 12. The air supplied to the flow path 12 is supplied to the nozzles 16, 16 ..., And the air is blown into the hole 22A from the tip portion thereof (see the arrow in FIG. 1).
【００１４】穴２２Ａ内に吹き出された空気は、測定部
１４と穴２２Ａの内周との隙間Ｓ1を介して空気逃し用
溝１８Ａ、１８Ａ…、１８Ｂ、１８Ｂに導かれ、さら
に、空気逃し用溝１８Ａ、１８Ａ…、１８Ｂ、１８Ｂを
介して穴２２Ａの外部に排気される。この場合、測定部
１４と穴２２Ａの内周とで形成された隙間Ｓ1 を流れる
空気流量に基づいて穴２２Ａの平均内径が求められる。[0014] The air blown into the bore 22A, an inner circumference and through the gap S 1 of the air escape groove 18A of the measuring unit 14 and the hole 22A, 18A ..., 18B, is guided to 18B, further, escape air The air is exhausted to the outside of the hole 22A through the grooves 18A, 18A ..., 18B, 18B. In this case, the average inner diameter of the hole 22A is obtained based on the flow rate of the air flowing through the gap S 1 formed by the measuring portion 14 and the inner circumference of the hole 22A.
【００１５】このように、測定ヘッド１０の外周に空気
逃し用溝１８Ａ、１８Ａ…を回避してノズル１６、１６
…を形成し、ノズル１６、１６…を測定ヘッド１０の略
全周に形成した。従って、穴２２Ａの平均内径を高精度
に測定することができる。前記実施例では測定ヘッド１
０の略全周にノズル１６、１６…を形成した場合につい
て説明したが、これに限らず、図３及び図４の他の実施
例に示す測定ヘッド３０を使用しても前記実施例と同様
の効果を得ることができる。以下、図３及び図４に基づ
いて他の実施例を説明する。尚、図３及び図４上で前記
実施例と同一類似部材については同一符号を付し説明を
省略する。In this way, the nozzles 16 and 16 are avoided by avoiding the air escape grooves 18A, 18A ...
Are formed, and the nozzles 16, 16 are formed around the entire circumference of the measuring head 10. Therefore, the average inner diameter of the hole 22A can be measured with high accuracy. In the above embodiment, the measuring head 1
Although the case where the nozzles 16, 16 ... Are formed on substantially the entire circumference of 0 has been described, the present invention is not limited to this, and the measurement head 30 shown in another embodiment of FIGS. The effect of can be obtained. Another embodiment will be described below with reference to FIGS. 3 and 4. In FIGS. 3 and 4, the same members as those of the above-mentioned embodiment are designated by the same reference numerals and the description thereof will be omitted.
【００１６】ノズル１６、１６…の左右側には環状凸条
部３２、３２が環状に形成されている。環状凸条部３２
はガイド部２０より段差が小さく形成されている。従っ
て、ワーク２２に形成された穴２２Ａに測定ヘッド３０
を挿入すると、測定ヘッド３０はガイド部２０、２０…
で穴２２Ａ内に支持され、環状凸条部３２、３２と穴２
２Ａの内周面とで隙間Ｓ2 が形成される。On the left and right sides of the nozzles 16, 16, ..., Annular ridges 32, 32 are formed in an annular shape. Annular ridge 32
Has a smaller step than the guide portion 20. Therefore, the measurement head 30 is inserted into the hole 22A formed in the work 22.
The measurement head 30 is inserted into the guide portions 20, 20 ...
Is supported in the hole 22A by the annular ridges 32, 32 and the hole 2
A gap S 2 is formed with the inner peripheral surface of 2A.
【００１７】前記の如く構成された本発明に係る空気マ
イクロメータ用内径測定ジェットの他の実施例の作用に
ついて説明する。先ず、前記実施例と同様に、マスタを
使用して空気マイクロメータの倍率調整及び零調整を行
う。次に、測定ヘッド３０をワーク２２の穴２２Ａに挿
入し、図示しない空気供給手段を作動して空気を流路１
２に供給する。流路１２に供給された空気はノズル１
６、１６…に供給され、ノズル１６、１６…の先端部か
ら環状の凸条部３２、３２間に空気を吹き出す（図３の
矢印を参照）。The operation of another embodiment of the inner diameter measuring jet for an air micrometer according to the present invention constructed as described above will be described. First, as in the above-described embodiment, the master is used to adjust the magnification and zero of the air micrometer. Next, the measurement head 30 is inserted into the hole 22A of the work 22, and the air supply means (not shown) is activated to let the air flow through the flow path 1.
Supply to 2. The air supplied to the flow path 12 is the nozzle 1
Are supplied to the nozzles 6, 16, ..., And air is blown out from the tips of the nozzles 16, 16, ... Between the annular ridges 32, 32 (see the arrow in FIG. 3).
【００１８】環状の凸条部３２、３２間に吹き出された
空気は、環状の凸条部３２、３２と穴２２Ａの内周との
隙間Ｓ2 及び空気逃し用溝１８Ａ、１８Ａ…、１８Ｂ、
１８Ｂを介して穴２２Ａ内から排気される。この場合、
環状の凸条部３２、３２と穴２２Ａの内周との隙間Ｓ2
を流れる空気流量に基づいて穴２２Ａの穴径が測定され
る。このように、測定ヘッド３０の全周に環状の凸条部
３２、３２を形成することにより、測定ヘッド３０の全
周で穴２２Ａの平均内径を高精度に測定することができ
る。The air blown out between the annular ridges 32, 32 has a gap S 2 between the annular ridges 32, 32 and the inner circumference of the hole 22A and the air escape grooves 18A, 18A ..., 18B,
It is exhausted from the inside of the hole 22A via 18B. in this case,
Gap S 2 between the annular ridges 32, 32 and the inner circumference of the hole 22A
The hole diameter of the hole 22A is measured based on the flow rate of the air flowing through the hole 22A. By thus forming the annular protrusions 32, 32 on the entire circumference of the measuring head 30, the average inner diameter of the hole 22A can be measured with high accuracy over the entire circumference of the measuring head 30.
【００１９】[0019]
【発明の効果】以上説明したように本発明に係る平均空
気マイクロメータ用内径測定ジェットによれば、複数の
ノズルから吹き出された空気で複数のノズルと穴の内周
との隙間を測定して穴の平均内径を測定する。従って、
ワークに形成された穴の全周において平均内径を測定す
ることができるので、真円度精度が悪い穴形状の場合で
も正確に穴の平均内径を測定することができる。さら
に、複数のノズルを測定ヘッドの全周に形成したので、
ワークに形成された穴に挿入された測定ヘッドの姿勢誤
差を少なくすることができる。As described above, according to the inner diameter measuring jet for an average air micrometer according to the present invention, the air blown from a plurality of nozzles measures the gaps between the plurality of nozzles and the inner circumference of the hole. Measure the average inner diameter of the holes. Therefore,
Since the average inner diameter can be measured over the entire circumference of the hole formed in the work, the average inner diameter of the hole can be accurately measured even in the case of a hole shape with poor roundness accuracy. Furthermore, since multiple nozzles are formed around the entire circumference of the measuring head,
The posture error of the measuring head inserted in the hole formed in the work can be reduced.
【００２０】また、本発明によれば、ノズルから吹き出
された空気を一対の環状の凸条部と穴の内周との隙間を
介して排気して隙間を測定することにより穴の平均内径
を測定する。従って、ワークに形成された穴の全周にお
いて平均内径を測定することができるので、真円度精度
が悪い穴形状の場合でも正確に穴の平均内径を測定する
ことができる。さらに、環状の凸条部を測定ヘッドの全
周に形成したので、ワークに形成された穴に挿入された
測定ヘッドの姿勢誤差を少なくすることができる。Further, according to the present invention, the air blown from the nozzle is exhausted through the gap between the pair of annular ridges and the inner circumference of the hole, and the gap is measured to determine the average inner diameter of the hole. taking measurement. Therefore, since the average inner diameter can be measured over the entire circumference of the hole formed in the workpiece, the average inner diameter of the hole can be accurately measured even in the case of a hole shape with poor roundness accuracy. Further, since the annular convex portion is formed on the entire circumference of the measuring head, it is possible to reduce the attitude error of the measuring head inserted into the hole formed in the work.
【図１】本発明に係る空気マイクロメータ用内径測定ジ
ェットに使用された測定ヘッドの側面図FIG. 1 is a side view of a measuring head used in an inner diameter measuring jet for an air micrometer according to the present invention.
【図２】図１のＡ−Ａ断面図FIG. 2 is a sectional view taken along line AA of FIG. 1;
【図３】本発明に係る空気マイクロメータ用内径測定ジ
ェットの他の実施例に使用された測定ヘッドの断面図FIG. 3 is a sectional view of a measuring head used in another embodiment of the inner diameter measuring jet for an air micrometer according to the present invention.
【図４】図３のＢ−Ｂ断面図FIG. 4 is a sectional view taken along line BB of FIG.
【図５】真円度精度が悪い穴形状を説明した説明図FIG. 5 is an explanatory diagram illustrating a hole shape with poor roundness accuracy.
【図６】真円度精度が悪い穴形状を説明した説明図FIG. 6 is an explanatory diagram illustrating a hole shape with poor roundness accuracy.
【図７】真円度精度が悪い穴形状を説明した説明図FIG. 7 is an explanatory diagram illustrating a hole shape with poor roundness accuracy.
１０、３０…測定ヘッド １６…ノズル ２２…ワーク ２２Ａ…穴 ３２…凸条部 Ｓ1 、Ｓ2 …隙間10, 30 ... measurement head 16 ... nozzle 22 ... workpiece 22A ... hole 32 ... ridge S 1, S 2 ... clearance
フロントページの続き (72)発明者 植野 修市 愛知県刈谷市昭和町１丁目１番地 日本電 装株式会社内Front page continuation (72) Inventor Osamu Ueno 1-1-chome, Showa-cho, Kariya city, Aichi prefecture Nihondenso Co., Ltd.
Claims (2)
入し、前記測定ヘッドに形成されたノズルから空気を吹
き出して前記穴の内径を測定する空気マイクロメータ用
内径測定ジェットにおいて、 前記測定ヘッドの全周に前記ノズルを複数個連続的に形
成し、前記複数のノズルから吹き出された空気で前記複
数のノズルと前記穴の内周との隙間を測定して前記穴の
平均内径を測定することを特徴とする空気マイクロメー
タ用内径測定ジェット。1. An inner diameter measuring jet for an air micrometer, wherein a measuring head is inserted into a hole formed in a work, and air is blown from a nozzle formed in the measuring head to measure the inner diameter of the hole. A plurality of the nozzles are continuously formed on the entire circumference of, and the average inner diameter of the hole is measured by measuring the gap between the plurality of nozzles and the inner circumference of the hole with the air blown from the plurality of nozzles. An inner diameter measuring jet for an air micrometer, which is characterized in that
入し、前記測定ヘッドに形成されたノズルから空気を吹
き出して前記穴の内径を測定する空気マイクロメータ用
内径測定ジェットにおいて、 前記測定ヘッドの全周に一対の凸条部を環状に形成し、
前記一対の凸条部間に前記ノズルを形成し、前記ノズル
から吹き出された空気で前記一対の凸条部と前記穴の内
周との隙間を測定して前記穴の平均内径を測定すること
を特徴とする空気マイクロメータ用内径測定ジェット。2. An inner diameter measuring jet for an air micrometer, wherein a measuring head is inserted into a hole formed in a work, and air is blown from a nozzle formed in the measuring head to measure the inner diameter of the hole. Form a pair of ridges in a ring around the entire circumference of
Forming the nozzle between the pair of ridges, and measuring the gap between the pair of ridges and the inner circumference of the hole with the air blown from the nozzle to measure the average inner diameter of the hole. An inner diameter measuring jet for air micrometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6311768A JP3070013B2 (en) | 1994-12-15 | 1994-12-15 | Inside diameter measuring jet for air micrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6311768A JP3070013B2 (en) | 1994-12-15 | 1994-12-15 | Inside diameter measuring jet for air micrometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08166227A true JPH08166227A (en) | 1996-06-25 |
| JP3070013B2 JP3070013B2 (en) | 2000-07-24 |
Family
ID=18021250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6311768A Expired - Fee Related JP3070013B2 (en) | 1994-12-15 | 1994-12-15 | Inside diameter measuring jet for air micrometer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3070013B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009150780A (en) * | 2007-12-20 | 2009-07-09 | Honda Motor Co Ltd | Back pressure gas micrometer, inner diameter simultaneous inspection system and inner diameter simultaneous inspection method for a plurality of holes to be inspected |
| JP2013047639A (en) * | 2011-08-29 | 2013-03-07 | Nisshin Seisakusho:Kk | Measurement heat for air micrometer and manufacturing method of the same |
| JP2014196944A (en) * | 2013-03-29 | 2014-10-16 | 日本ピストンリング株式会社 | Dimension inspection apparatus of cylindrical object, and dimension inspection method of cylindrical object using the same |
| CN107830825A (en) * | 2017-12-11 | 2018-03-23 | 四川银钢通凸轮轴有限公司 | One kind shunting detection air-gauge |
-
1994
- 1994-12-15 JP JP6311768A patent/JP3070013B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009150780A (en) * | 2007-12-20 | 2009-07-09 | Honda Motor Co Ltd | Back pressure gas micrometer, inner diameter simultaneous inspection system and inner diameter simultaneous inspection method for a plurality of holes to be inspected |
| JP2013047639A (en) * | 2011-08-29 | 2013-03-07 | Nisshin Seisakusho:Kk | Measurement heat for air micrometer and manufacturing method of the same |
| CN102967280A (en) * | 2011-08-29 | 2013-03-13 | 株式会社日进制作所 | Measuring head for air micrometer and method of manufacturing the same |
| JP2014196944A (en) * | 2013-03-29 | 2014-10-16 | 日本ピストンリング株式会社 | Dimension inspection apparatus of cylindrical object, and dimension inspection method of cylindrical object using the same |
| CN107830825A (en) * | 2017-12-11 | 2018-03-23 | 四川银钢通凸轮轴有限公司 | One kind shunting detection air-gauge |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3070013B2 (en) | 2000-07-24 |
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