WO2009150126A1 - Verfahren zum messen einer distanz von einer basisfläche zu einer sich verjüngenden fläche eines körpers - Google Patents
Verfahren zum messen einer distanz von einer basisfläche zu einer sich verjüngenden fläche eines körpers Download PDFInfo
- Publication number
- WO2009150126A1 WO2009150126A1 PCT/EP2009/057035 EP2009057035W WO2009150126A1 WO 2009150126 A1 WO2009150126 A1 WO 2009150126A1 EP 2009057035 W EP2009057035 W EP 2009057035W WO 2009150126 A1 WO2009150126 A1 WO 2009150126A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- measuring
- pressure
- gap
- measured
- distance
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/12—Measuring arrangements characterised by the use of fluids for measuring distance or clearance between spaced objects or spaced apertures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/14—Measuring arrangements characterised by the use of fluids for measuring depth
Definitions
- the present invention relates to a method of measuring a distance from a base surface to a cross section having a predetermined diameter of a land forming a tapered surface having a circular cross sectional shape of a body. Furthermore, the invention relates to a measuring system for carrying out this method.
- the disadvantage is that with dirty surface, the measurement is not accurate. Also, by excessive insertion of the calibration standard, the countersink and / or the calibration standard can be damaged. In addition, this measurement method does not take into account form errors which the countersinks and the calibration standards may have.
- the object of the present invention is thus to provide a novel method for measuring a distance from a base surface to a cross section of a raised or tapered tapered surface having a circular cross-sectional shape of a body, the cross-section having a predetermined diameter which can overcome the disadvantages of the prior art described above.
- the new method should in particular cause the measurement of the tapered surface can be performed quickly and very precisely, the maintenance of the measuring device should be kept negligible.
- this object is achieved in that a measuring body is arranged with a diameter on the base surface, such that between the cross-sectional area with the diameter of the body and the measuring body, a distance in the form of a gap is formed, and that a fluid medium through the Gap is pressed and the pressure and / or the flow rate of the fluid medium is measured, and that due to the measured pressure or the flow rate in an evaluation of the distance value is determined.
- Another object of the invention is to provide a measuring system for carrying out this method, which is achieved according to the invention in that this measuring system is a measuring unit for measuring the pressure and / or the flow rate of the supplied gas and / or the supplied liquid to a gap between a reduction of a base, a measuring body and an evaluation device for determining the distance value from the measured pressure or from the measured flow rate comprises.
- this measuring system is a measuring unit for measuring the pressure and / or the flow rate of the supplied gas and / or the supplied liquid to a gap between a reduction of a base, a measuring body and an evaluation device for determining the distance value from the measured pressure or from the measured flow rate comprises.
- a measuring body is arranged relative to a base surface so that a defined distance in the form of a gap between the measuring body and the defined cross-sectional area.
- the pressure or flow rate measured is proportional to the annular gap between the measuring body and the counterbore.
- the distance value can be determined in an evaluation device. This makes it possible to quickly check whether a distance value and / or a flow value of the tapered surface lies within a tolerance range, at the limit of a tolerance range or outside a tolerance range.
- such a method has the advantage that the measurement of the tapering surface can be carried out quickly and very precisely.
- This type of measurement also excludes damage to the tapered surface.
- any application-relevant functions of the tapering surface can be taken into account, as they occur during the operation of a completely assembled unit.
- the measuring method can also be used in a normal production environment, whereby an increase in production is achieved due to reduced cycle times. With this type of measuring method, a high degree of automation and a high quality of the measurement can be ensured.
- the parts tested by the measuring method do not have to be cleaned and / or dried beforehand.
- the fluid medium is pressed through the gap by means of a pressure measuring unit and the pressure of this fluid medium is measured and the distance value is determined in the evaluation device, which can be carried out very simply.
- air is passed through the gap by means of the pressure measuring unit.
- the measuring method can be carried out under atmospheric conditions.
- the distance value determined by this method can also be compared with a minimum and a maximum distance value defined by corresponding calibration standards, it being immediately possible to determine whether this is within the specified tolerance range.
- the distance value and / or the flow rate value of a non-linear pneumatic measurement are corrected in a mapping method and stored, for example, in tabular form in the evaluation electronics.
- a mapping method has the advantage that with the mapping method the distance evaluation in micrometers can be calibrated by means of pressure variation or flow value.
- Figure 1 shows an arrangement for a measuring method according to the prior art.
- FIG. 2 shows an arrangement for carrying out a measuring method according to the invention.
- FIG. 3 shows a further arrangement for carrying out a measuring method according to the invention.
- the reference numeral 1 refers to a body and the reference numeral 1.1 to a tapered surface which is formed as a countersink.
- This type of countersinking is used eg in the areas of internal combustion engines, in particular for valve seats, in fluidic elements, in the medical sector or other devices.
- parameters of the countersink must be made very accurately.
- the measuring method according to FIG. 1 is known in the prior art. In this measurement method, a calibration standard is placed in the reduction.
- such a normal, for example, substantially, as outlined in Figure 1 be a ball or be of any other shape.
- the length E between a reference diameter A of the calibration standard and a base 5 can be determined.
- a length X which denotes, for example, the anchoring depth, is within a predetermined tolerance range. It can be seen that, for example, contaminations on the ball and / or on the countersinks give incorrect measurement results.
- FIG. 2 shows a measuring system according to the invention with which the measuring method according to the invention can be carried out.
- the same elements are provided with the same reference numerals as the elements mentioned in the known embodiment according to FIG. 1.
- a measuring body 3 with a diameter A is arranged relative to the support 5 of the body 1.
- the measuring body 3 may be arranged on the support 5, for example by means of the support points 4.
- the person skilled in various embodiments are known to ensure a relative arrangement of the measuring body 3 relative to a support 5 of the body 1.
- the relative arrangement may refer to any other reference of the body 1 or the countersink 1.1 instead of the support 5.
- the measuring body 3 is arranged so that in the relative arrangement to any of the mentioned references between the measuring body 3 and the countersink 1.1 with the cross section with the Diameter A is a gap 6.
- the measuring body 3 may for example consist of a cylinder, the gap 6 is thus an annular gap. So that a uniform annular gap is formed, the axis of the measuring body 3 is arranged identically to the axis of the countersink.
- the pressure measuring unit 7 can be designed to supply a gas, in particular air, and / or a liquid with a certain pressure to a line 8.
- the gas and / or liquid can be supplied through the conduit 8 or alternatively through the conduit 8.1.
- the workpiece holder 2, on which the body 1 to be measured can be placed is formed without a bore, i. the continuous countersink is tightly closed. It is important that the gas and / or the liquid are discharged through the gap 6.
- a flow measuring unit may alternatively be provided instead of the pressure measuring unit 7, or a combination with a pressure and a flow measuring unit may be provided.
- an evaluation device 9 is provided.
- the evaluation device 9 is set up to associate a pressure measurement value or a flow measurement value with a distance value and / or a flow rate.
- the evaluation device 9 may comprise means for displaying a measured pressure value of a deviation of the sinking depth to a previous setting by means of measuring standards.
- a base body with a countersink which has exactly the desired geometry, can be used as the measurement standard.
- Lifting the measuring body with calibration standards under the support results in a precisely defined new distance.
- the pressure variation between the first and second position of the measuring body is calculated electronically and displayed in micrometers.
- three measurement standards may also be used, a first measurement standard for an upper tolerance range, a second measurement standard for a middle tolerance range and a third measurement standard for a lower tolerance range.
- the three measurement standards define an exact distance value.
- Evaluation device 9 can comprise means for assigning a pressure measurement to an exact distance or a tolerance range.
- pressure measuring units 7 in particular commercial devices, such as e.g. Pneumatic transducers Marposs type MRT or LVDT can be used.
- the evaluation device can comprise a microprocessor-based electronic unit with an analog / digital converter for converting an electrical signal corresponding to the transducer with a programmable processor for executing program code, with a display for displaying the calculated values and with input means for control or modification of the manufacturing process.
- a microprocessor-based unit may also include a mapping system that displays non-linear values of pressure measurement on a linear scale in microns so that they can be verified with mechanical calibration standards.
- a centering unit 2 and a measuring body 3 may be formed from a body having a gap X between the measuring body 3 and a cone 1.1 of the body 1, and by means of a pressure measuring unit 7 and corresponding passages of a gas and / or a liquid through the gap 6, a pressure is measured.
- a pressure measurement instead of a pressure measurement, a flow measurement can be carried out.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Arrangements Characterized By The Use Of Fluids (AREA)
- Measuring Volume Flow (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09761689A EP2288869B1 (de) | 2008-06-09 | 2009-06-08 | Verfahren zum messen einer distanz von einer basisfläche zu einer sich verjüngenden fläche eines körpers |
ES09761689T ES2379322T3 (es) | 2008-06-09 | 2009-06-08 | Procedimiento para la medición de una distancia desde una superficie de la base hasta una superficie que forma conicidad de un cuerpo |
CN200980121666.XA CN102066871A (zh) | 2008-06-09 | 2009-06-08 | 用于检测从基础表面到主体的锥形表面之间的距离的方法 |
JP2011512953A JP5456771B2 (ja) | 2008-06-09 | 2009-06-08 | 物体のベース面からテーパ面までの距離を測定するための方法 |
AT09761689T ATE540288T1 (de) | 2008-06-09 | 2009-06-08 | Verfahren zum messen einer distanz von einer basisfläche zu einer sich verjüngenden fläche eines körpers |
US12/996,757 US8307718B2 (en) | 2008-06-09 | 2009-06-08 | Method for measuring a distance from a base surface to a tapering surface of a body |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08157854.4 | 2008-06-09 | ||
EP08157854A EP2133661A1 (de) | 2008-06-09 | 2008-06-09 | Messverfahren zum Messen einer Distanz von einer Basisfläche zu einer sich verjüngenden Fläche eines Körpers |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009150126A1 true WO2009150126A1 (de) | 2009-12-17 |
Family
ID=39643755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2009/057035 WO2009150126A1 (de) | 2008-06-09 | 2009-06-08 | Verfahren zum messen einer distanz von einer basisfläche zu einer sich verjüngenden fläche eines körpers |
Country Status (7)
Country | Link |
---|---|
US (1) | US8307718B2 (de) |
EP (2) | EP2133661A1 (de) |
JP (1) | JP5456771B2 (de) |
CN (1) | CN102066871A (de) |
AT (1) | ATE540288T1 (de) |
ES (1) | ES2379322T3 (de) |
WO (1) | WO2009150126A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012208893B4 (de) * | 2011-05-25 | 2020-03-12 | Ifm Electronic Gmbh | Verfahren zum Betreiben einer Messeinrichtung einer pneumatischen Auflagenkontrollvorrichtung |
JP6424109B2 (ja) * | 2015-02-17 | 2018-11-14 | Dmg森精機株式会社 | 工具長測定装置 |
CN108759734B (zh) * | 2018-03-27 | 2020-05-12 | 重庆鸥能建筑劳务有限公司 | 用于玻璃的检测装置 |
CN113070669B (zh) * | 2021-03-19 | 2022-02-01 | 东风汽车集团股份有限公司 | 具有自适应特性的气缸盖导管压装方法、系统及装置 |
US11852466B2 (en) * | 2021-11-05 | 2023-12-26 | The Boeing Company | Gap measurement tool assembly, system, and method for measuring a gap between mating parts of a structure |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57191507A (en) * | 1981-05-22 | 1982-11-25 | Hitachi Ltd | Distance measuring device |
DE4234788A1 (de) * | 1992-10-15 | 1994-04-21 | Dietmar Prof Dr Ing Schmid | Laserstrahlwerkzeug |
DE19534259A1 (de) * | 1995-09-15 | 1997-03-20 | Ibb Technomess Gmbh | Werkzeug |
DE10303250A1 (de) * | 2003-01-28 | 2004-08-05 | Delphi Technologies, Inc., Troy | Verfahren zur Vermessung eines Innenraums mittels eines in den Innenraum einströmenden Fluids |
US20070101597A1 (en) * | 2005-11-07 | 2007-05-10 | The Boeing Company | Countersink gauge having self-centering probe |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59146711U (ja) * | 1983-03-19 | 1984-10-01 | 三井造船株式会社 | ギヤツプセンサ− |
US7596425B2 (en) * | 2003-06-13 | 2009-09-29 | Dainippon Screen Mfg. Co., Ltd. | Substrate detecting apparatus and method, substrate transporting apparatus and method, and substrate processing apparatus and method |
US20080060431A1 (en) * | 2006-09-07 | 2008-03-13 | Christer Frovik | Radar level gauging |
-
2008
- 2008-06-09 EP EP08157854A patent/EP2133661A1/de not_active Withdrawn
-
2009
- 2009-06-08 WO PCT/EP2009/057035 patent/WO2009150126A1/de active Application Filing
- 2009-06-08 AT AT09761689T patent/ATE540288T1/de active
- 2009-06-08 US US12/996,757 patent/US8307718B2/en not_active Expired - Fee Related
- 2009-06-08 ES ES09761689T patent/ES2379322T3/es active Active
- 2009-06-08 JP JP2011512953A patent/JP5456771B2/ja not_active Expired - Fee Related
- 2009-06-08 CN CN200980121666.XA patent/CN102066871A/zh active Pending
- 2009-06-08 EP EP09761689A patent/EP2288869B1/de not_active Not-in-force
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57191507A (en) * | 1981-05-22 | 1982-11-25 | Hitachi Ltd | Distance measuring device |
DE4234788A1 (de) * | 1992-10-15 | 1994-04-21 | Dietmar Prof Dr Ing Schmid | Laserstrahlwerkzeug |
DE19534259A1 (de) * | 1995-09-15 | 1997-03-20 | Ibb Technomess Gmbh | Werkzeug |
DE10303250A1 (de) * | 2003-01-28 | 2004-08-05 | Delphi Technologies, Inc., Troy | Verfahren zur Vermessung eines Innenraums mittels eines in den Innenraum einströmenden Fluids |
US20070101597A1 (en) * | 2005-11-07 | 2007-05-10 | The Boeing Company | Countersink gauge having self-centering probe |
Also Published As
Publication number | Publication date |
---|---|
EP2288869B1 (de) | 2012-01-04 |
JP5456771B2 (ja) | 2014-04-02 |
US20110099827A1 (en) | 2011-05-05 |
EP2133661A1 (de) | 2009-12-16 |
ES2379322T3 (es) | 2012-04-25 |
ATE540288T1 (de) | 2012-01-15 |
US8307718B2 (en) | 2012-11-13 |
CN102066871A (zh) | 2011-05-18 |
JP2011523069A (ja) | 2011-08-04 |
EP2288869A1 (de) | 2011-03-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2288869B1 (de) | Verfahren zum messen einer distanz von einer basisfläche zu einer sich verjüngenden fläche eines körpers | |
DE102016208949B4 (de) | Vorrichtung und Verfahren zum Vermessen der Geometrie der Innenwand von Bohrungen | |
EP2069739A1 (de) | Steckfühler zur kombinierten druck- und temperaturmessung | |
EP2539690A1 (de) | Vorrichtung und verfahren zum kalibrieren eines streulichtmessgerätes | |
DE2721281C2 (de) | ||
EP0090871A1 (de) | Hochdruckaufnehmer | |
DE102005045079B4 (de) | Konzept zum Testen eines Drucksensors und eine Düse | |
DE2733891A1 (de) | Haertepruefgeraet | |
EP2333519B1 (de) | Vorrichtung zur Durchführung von Korrosionstests an Stahlwerkstoffen | |
EP2721389A1 (de) | Verfahren und messvorrichtung zur untersuchung eines magnetischen werkstücks | |
DE102009020977B4 (de) | Kegelradnormal | |
DE102008007593A1 (de) | Vorrichtung zur Geometriemessung an einem Werkstück und Verfahren zur Geometriemessung an einem Werkstück | |
DE102005048226A1 (de) | Verfahren zum Prüfen einer Oberfläche einer Kraftstoffinjektoranordnung | |
DE10155135A1 (de) | Meßeinrichtung zur Bestimmung der Position eines Objektes relativ zu einer Bezugsfläche | |
DE4015321C2 (de) | ||
DE102006058269A1 (de) | Verfahren zur Kalibrierung und/oder Überwachung mindestens eines Drucksensors und entsprechender Drucksensor | |
DE2836925B2 (de) | Vorrichtung zur Kontrolle der Geometrie einer Ventilsitzringfase | |
EP3891467B1 (de) | Verfahren zum überprüfen einer qualität eines werkstücks sowie recheneinrichtung | |
WO2007039304A1 (de) | Vorrichtung und verfahren zum vermessen mindestens eines konischen gewindes | |
DE10233539A1 (de) | Verfahren und Vorrichtung zur Messung von Werkstückbohrungen | |
DE102022119071A1 (de) | Einstückig ausgebildetes Gegenwerkzeug einer Setzvorrichtung, einstückig ausgebildeter Stempel einer Setzvorrichtung sowie eine entsprechende Setzvorrichtung | |
DE102004025358A1 (de) | Leckageprüfvorrichtung | |
DE102017100598B4 (de) | Verfahren zum Kalibrieren einer Druckmessglühkerze | |
DE3928679A1 (de) | Verfahren und vorrichtung zur leckpruefung an vertikaltanks oder tankfarmen | |
DE102022004895A1 (de) | Messvorrichtung zur Kontrollmessung der korrekten Ausführung von Hohlstanznietverbindungen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200980121666.X Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 09761689 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12996757 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2011512953 Country of ref document: JP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2009761689 Country of ref document: EP |