JPH10246603A - Method and device for inspecting diameter of annular chamfering part - Google Patents
Method and device for inspecting diameter of annular chamfering partInfo
- Publication number
- JPH10246603A JPH10246603A JP4863797A JP4863797A JPH10246603A JP H10246603 A JPH10246603 A JP H10246603A JP 4863797 A JP4863797 A JP 4863797A JP 4863797 A JP4863797 A JP 4863797A JP H10246603 A JPH10246603 A JP H10246603A
- Authority
- JP
- Japan
- Prior art keywords
- work
- diameter
- chamfer
- chamfering part
- numerical value
- 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
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、円筒状あるいは円
柱状をなすワークの端部に形成された環状面取部の直径
を検査する方法及び装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for inspecting the diameter of an annular chamfer formed at an end of a cylindrical or columnar work.
【0002】[0002]
【従来の技術】図3に示すように、エンジンの動弁機構
に用いられる円筒状のタペット(1)の両端部は、環状に
面取りされている。この面取部(2)の軸線方向端部の直
径は、外周面に溶射被膜を形成する際の溶射層の厚さに
影響を及ぼすため、高精度が要求される。従来は、図4
に示すようにして、面取部(2)の直径の良否を判定して
いた。2. Description of the Related Art As shown in FIG. 3, both ends of a cylindrical tappet (1) used in a valve train of an engine are chamfered in an annular shape. The diameter of the end in the axial direction of the chamfered portion (2) affects the thickness of the sprayed layer when the sprayed coating is formed on the outer peripheral surface, and therefore, high precision is required. Conventionally, FIG.
The quality of the diameter of the chamfered portion (2) was determined as shown in FIG.
【0003】図4の(3)は、板状の限界ゲージで、下辺
と上辺には、それぞれ面取部(2)の直径検査用の検査溝
(4)と(5)が切設され、両検査溝(4)(5)における左右
の傾斜面間の寸法は、それぞれ面取部(2)の直径の許容
範囲の下限値と上限値となっている。FIG. 4 (3) shows a plate-like limit gauge, which has inspection grooves for inspecting the diameter of the chamfered portion (2) on the lower side and the upper side, respectively.
(4) and (5) are cut out, and the dimension between the left and right slopes in both inspection grooves (4) and (5) is the lower limit and upper limit of the allowable range of the diameter of the chamfer (2), respectively. Has become.
【0004】このゲージ(3)の検査溝(4)(5)を、タペ
ット(1)の面取部(2)に交互に押し当て、タペット(1)
の端面と両検査溝(4)(5)の底辺との間に形成される隙
間により、面取部(2)の直径の良否を判定する。すなわ
ち、面取部(2)の直径が許容範囲内である場合は、図4
に示すように、タペットの端面(1a)と下限値側の検査溝
(4)の底辺との間に若干の間隙(6)が生じる。The inspection grooves (4) and (5) of the gauge (3) are alternately pressed against the chamfered portion (2) of the tappet (1), and the tappet (1) is pressed.
The quality of the diameter of the chamfered portion (2) is determined based on the gap formed between the end surface of (1) and the bottom of the inspection grooves (4) and (5). That is, when the diameter of the chamfered portion (2) is within the allowable range, FIG.
As shown in the figure, the tappet end face (1a) and the lower
There is a slight gap (6) between the base and (4).
【0005】この間隙(6)を作業者が目視により観察
し、その隙間の大小により、面取部(2)の直径は判定さ
れている。The gap (6) is visually observed by an operator, and the diameter of the chamfer (2) is determined based on the size of the gap.
【0006】[0006]
【発明が解決しようとする課題】しかし、間隙(6)の大
小を目視により正確に知るには熟練を要し、かつ測定者
の個人差によってばらつきが生じ、検査結果の信頼性に
欠ける。However, it is necessary to be skilled to visually and accurately determine the size of the gap (6), and variations occur due to individual differences among the measurers, and the reliability of the test results is lacking.
【0007】本願発明は、上記問題に鑑みてなされたも
ので、面取部の直径を、誰でも簡単かつ迅速に精度よく
検査しうるようにした方法及び装置を提供することを目
的としている。SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a method and an apparatus which allow anyone to easily, quickly and accurately inspect the diameter of a chamfer.
【0008】[0008]
【課題を解決するための手段】本発明の方法によると、
上記課題は、端部に環状面取部を有する円筒または円柱
状のワークを、軸線が水平をなすように支持し、面取部
の所定の個所に当接させた不動のダイヤルゲージの指針
が示す数値と、規定の寸法に仕上げられた、前記ワーク
と同形の標準品の面取部に当接させたときのダイヤルゲ
ージの示す数値とを比較することにより、ワークの面取
部の直径の良否を判定することにより解決される。According to the method of the present invention,
The above problem is solved by supporting a cylindrical or columnar work having an annular chamfer at an end so that an axis thereof is horizontal, and a pointer of an immovable dial gauge abutting a predetermined portion of the chamfer. By comparing the numerical value shown and the numerical value shown by the dial gauge when brought into contact with the chamfered part of the standard product having the same shape as the work finished to the specified dimension, the diameter of the chamfered part of the work is obtained. The problem is solved by determining pass / fail.
【0009】また本発明の装置によると、上記課題は、
基台上に設けられた、端部に環状面取部を有する円筒ま
たは円柱状のワークを水平に支持するVブロックと、そ
の端面に立設されたワーク位置決め用のストッパと、前
記基台の一側部に高さ調整可能に立設された支柱と、こ
の支柱に、先端がワークの環状面取部に直角に当接しう
るように、高さ調節可能に設けられたダイヤルゲージと
を設けることにより解決される。Further, according to the device of the present invention, the above-mentioned problems are:
A V-block provided on a base for horizontally supporting a cylindrical or columnar work having an annular chamfer at an end, a work positioning stopper provided on the end of the V-block, A pillar is provided on one side with a height adjustable, and a dial gauge is provided on the pillar so that the tip can contact the annular chamfer of the work at right angles so that the height can be adjusted. It is solved by.
【0010】[0010]
【発明の実施の形態】図1及び図2は、本発明の一実施
例を示すのもので、立方形の基台(7)の上面に切設され
た、図1において左右方向を向く(以下方向は図面につ
いていう)支持溝(8)には、Vブロック(9)が嵌合さ
れ、基台(7)の前面に螺挿した第1ボルト(10)により着
脱可能に固定されている。1 and 2 show one embodiment of the present invention, which is cut on the upper surface of a cubic base (7) and faces left and right in FIG. A V-block (9) is fitted in the support groove (8) and is detachably fixed by a first bolt (10) screwed into the front surface of the base (7). .
【0011】基台(7)の左面上部に切設された上下方向
を向く調節溝(11)には、上端がVブロック(9)より上方
に突出する位置決め用のストッパ(12)が嵌合され、スト
ッパ(12)に設けた第2ボルト(13)によりVブロック(9)
の左面に固定されている。ストッパ(12)の上端中央に
は、U字形の凹入溝(14)が切設されている。A positioning stopper (12) having an upper end protruding above the V-block (9) is fitted into a vertically-adjusting adjusting groove (11) cut in the upper left surface of the base (7). The V-block (9) is fixed by the second bolt (13) provided on the stopper (12).
It is fixed to the left side of. In the center of the upper end of the stopper (12), a U-shaped concave groove (14) is cut out.
【0012】基台(7)の左面下部に突設されたアーム(1
5)の左端には、上方を向く支柱(16)の下端が嵌合され、
アーム(15)に設けた第3ボルト(17)により、高さ調節可
能に固定されている。An arm (1) protruding from the lower left side of the base (7) is provided.
At the left end of 5), the lower end of the column (16) facing upward is fitted,
The height is adjustable by a third bolt (17) provided on the arm (15).
【0013】支柱(16)の上端に固着された右上方に傾斜
するホルダ(18)の中央には、右下方に傾斜するダイヤル
ケージ(19)が、ホルダ(18)の先端部に設けた第4ボルト
(20)により、軸線方向に移動可能に固定されている。At the center of a holder (18) inclined upward and to the right, which is fixed to the upper end of the support (16), a dial cage (19) inclined downward and to the right is provided at the tip of the holder (18). 4 volts
By (20), it is movably fixed in the axial direction.
【0014】上述の装置により、タペットの面取部の直
径を検査するには、ストッパ(12)の高さを、後述する検
定操作に差し支えないように固定したのち、Vブロック
(9)上に、各部が規定の寸法に仕上げられた、前記タ
ペット(1)と同形のマスターワーク(標準品)(21)
を、検査しようとする面取部(22)を左方に向けて載置
し、左端をストッパ(12)に押し当てる。In order to inspect the diameter of the chamfered portion of the tappet using the above-described apparatus, the height of the stopper (12) is fixed so as not to hinder the verification operation described later, and then the V-block is checked.
(9) A master work (standard product) of the same shape as the tappet (1) above, with each part finished to specified dimensions (21)
Is placed with the chamfered portion (22) to be inspected facing left, and the left end is pressed against the stopper (12).
【0015】ついで、第3、第4ボルト(17)(20)を弛め
て、支柱(16)とホルダ(18)の高さを調節し、ダイヤルゲ
ージ(19)の測定針(19a)を、マスターワーク(21)の面取
部(22)に軽く当接させ、その時のゲージ(19)の指針(19
b)を、目盛(19c)の0位置に合せた後、両ボルト(17)(2
0)を締めつける。Next, loosen the third and fourth bolts (17) and (20), adjust the height of the support (16) and the holder (18), and attach the measuring needle (19a) of the dial gauge (19). , Lightly contact the chamfered part (22) of the master work (21), and
b) to the 0 position of the scale (19c), and then tighten both bolts (17) (2
Tighten 0).
【0016】しかる後、測定しようとするタペット(1)
(図3参照)を、マスターワーク(21)に代えて、それと
同じ要領でVブロック(9)上に載置し、測定針(19a)の
先端を面取部に当接させれば、指針(19b)の示す目盛り
(19c)の数値より、タペット(1)の面取部(2)の直径の
精度を正確に知ることができる。Thereafter, the tappet to be measured (1)
Instead of the master work (21), place the master work (21) on the V-block (9) in the same manner and bring the tip of the measuring needle (19a) into contact with the chamfered part. Scale indicated by (19b)
From the numerical value of (19c), the accuracy of the diameter of the chamfered portion (2) of the tappet (1) can be accurately known.
【0017】なお、Vブロック(9)上においてタペット
(1)を回転させ、そのときの指針(19b)の振れにより、
面取部(2)の真円度も検査することができる。The tappet on the V block (9)
By rotating (1), the deflection of the pointer (19b) at that time
The roundness of the chamfer (2) can also be inspected.
【0018】[0018]
【発明の効果】本発明によれば、ワークと標準品との面
取部にダイヤルゲージの測定針を当接させ、そのときの
指針が示す目盛を読取るという、甚だ簡単な作業で、面
取部の直径を高精度で検査しうる。従って、従来のよう
に、作業に熟練を要したり、検定結果に個人差が生ずる
こともない。According to the present invention, the measuring needle of the dial gauge is brought into contact with the chamfered portion of the workpiece and the standard product, and the scale indicated by the pointer at that time is read. The diameter of the part can be inspected with high accuracy. Therefore, unlike the related art, there is no need for skill in the work, and there is no individual difference in the test result.
【図1】本発明装置の正面図である。FIG. 1 is a front view of the device of the present invention.
【図2】同じく側面図である。FIG. 2 is a side view of the same.
【図3】タペットの中央縦断正面図である。FIG. 3 is a front view of the tappet at a central vertical section.
【図4】タペットを従来の限界ゲージで検査する際の要
領を示す中央縦断正面図である。FIG. 4 is a front view taken along a center line showing a procedure for inspecting a tappet with a conventional limit gauge.
(1)タペット (1a)端面 (2)面取部 (7)基台 (8)支持溝 (9)Vブロック (10)第1ボルト (11)調節溝 (12)ストッパ (13)第2ボルト (14)凹入溝 (15)アーム (16)支柱 (17)第3ボルト (18)ホルダ (19)ダイヤルゲージ (19a)測定針 (19b)指針 (19c)目盛 (20)第4ボルト (21)マスターワーク(標準品) (22)面取部 (1) Tappet (1a) End face (2) Chamfer (7) Base (8) Support groove (9) V block (10) First bolt (11) Adjustment groove (12) Stopper (13) Second bolt (14) Recessed groove (15) Arm (16) Post (17) Third bolt (18) Holder (19) Dial gauge (19a) Measuring needle (19b) Pointer (19c) Scale (20) Fourth bolt (21 ) Master work (standard product) (22) Chamfer part
Claims (2)
柱状のワークを、軸線が水平をなすように支持し、面取
部の所定の個所に当接させた不動のダイヤルゲージの指
針が示す数値と、規定の寸法に仕上げられた、前記ワー
クと同形の標準品の面取部に当接させたときのダイヤル
ゲージの示す数値とを比較することにより、ワークの面
取部の直径の良否を判定することを特徴とする環状面取
部の直径検査方法。1. A stationary dial gauge pointer for supporting a cylindrical or columnar work having an annular chamfer at its end so that its axis is horizontal and abutting a predetermined portion of the chamfer. The diameter of the chamfered part of the work is obtained by comparing the numerical value indicated by ダ イ ヤ ル with the numerical value indicated by the dial gauge when brought into contact with the chamfered part of the standard product having the same shape as the work finished to the specified dimension. A method for inspecting the diameter of an annular chamfer, characterized by determining the quality of the circular chamfer.
を有する円筒または円柱状のワークを水平に支持するV
ブロックと、その端面に立設されたワーク位置決め用の
ストッパと、前記基台の一側部に高さ調整可能に立設さ
れた支柱と、この支柱に、先端がワークの環状面取部に
直角に当接しうるように、高さ調節可能に設けられたダ
イヤルゲージとを備えることを特徴とする環状面取部の
直径検査装置。2. A V-shaped support provided on a base for horizontally supporting a cylindrical or columnar work having an annular chamfer at an end.
A block, a work positioning stopper erected on the end surface thereof, a column erected on one side of the base so as to be height-adjustable, and a tip of the column erected on an annular chamfer of the work. A dial gauge provided so as to be adjustable in height so as to be able to abut at a right angle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4863797A JPH10246603A (en) | 1997-03-04 | 1997-03-04 | Method and device for inspecting diameter of annular chamfering part |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4863797A JPH10246603A (en) | 1997-03-04 | 1997-03-04 | Method and device for inspecting diameter of annular chamfering part |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH10246603A true JPH10246603A (en) | 1998-09-14 |
Family
ID=12808896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4863797A Pending JPH10246603A (en) | 1997-03-04 | 1997-03-04 | Method and device for inspecting diameter of annular chamfering part |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH10246603A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100419372C (en) * | 2005-10-19 | 2008-09-17 | 浙江吉利汽车研究院有限公司 | Detection apparatus for girdle bounce of valve of air cylinder cover |
CN102589387A (en) * | 2011-01-04 | 2012-07-18 | 三星Sdi株式会社 | Length measuring device for cylindrical battery |
JP2013019760A (en) * | 2011-07-11 | 2013-01-31 | Mitsubishi Heavy Industries Bridge & Steel Structures Engineering Co Ltd | Film thickness measuring tool and method |
-
1997
- 1997-03-04 JP JP4863797A patent/JPH10246603A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100419372C (en) * | 2005-10-19 | 2008-09-17 | 浙江吉利汽车研究院有限公司 | Detection apparatus for girdle bounce of valve of air cylinder cover |
CN102589387A (en) * | 2011-01-04 | 2012-07-18 | 三星Sdi株式会社 | Length measuring device for cylindrical battery |
KR101240726B1 (en) * | 2011-01-04 | 2013-03-07 | 삼성에스디아이 주식회사 | Length Measuring Device of Battery |
JP2013019760A (en) * | 2011-07-11 | 2013-01-31 | Mitsubishi Heavy Industries Bridge & Steel Structures Engineering Co Ltd | Film thickness measuring tool and method |
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