DE10331206A1 - Spray material is applied to a workpiece by directing a spray jet of an applicator, monitoring the jet geometry, and comparing it with a predetermined geometry - Google Patents
Spray material is applied to a workpiece by directing a spray jet of an applicator, monitoring the jet geometry, and comparing it with a predetermined geometry Download PDFInfo
- Publication number
- DE10331206A1 DE10331206A1 DE10331206A DE10331206A DE10331206A1 DE 10331206 A1 DE10331206 A1 DE 10331206A1 DE 10331206 A DE10331206 A DE 10331206A DE 10331206 A DE10331206 A DE 10331206A DE 10331206 A1 DE10331206 A1 DE 10331206A1
- Authority
- DE
- Germany
- Prior art keywords
- spray
- geometry
- jet
- applicator
- spray jet
- 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.)
- Withdrawn
Links
- 239000007921 spray Substances 0.000 title claims abstract description 100
- 239000000463 material Substances 0.000 title claims abstract description 10
- 238000012544 monitoring process Methods 0.000 title 1
- 238000000034 method Methods 0.000 claims abstract description 25
- 230000003287 optical effect Effects 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims description 32
- 238000013461 design Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 description 12
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 4
- 238000011109 contamination Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/004—Arrangements for controlling delivery; Arrangements for controlling the spray area comprising sensors for monitoring the delivery, e.g. by displaying the sensed value or generating an alarm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/082—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to a condition of the discharged jet or spray, e.g. to jet shape, spray pattern or droplet size
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/14—Arrangements for preventing or controlling structural damage to spraying apparatus or its outlets, e.g. for breaking at desired places; Arrangements for handling or replacing damaged parts
- B05B15/18—Arrangements for preventing or controlling structural damage to spraying apparatus or its outlets, e.g. for breaking at desired places; Arrangements for handling or replacing damaged parts for improving resistance to wear, e.g. inserts or coatings; for indicating wear; for handling or replacing worn parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spray Control Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zum Auftragen von Sprühstoffen nach dem Oberbegriff des Anspruchs 1.The The invention relates to a method for applying sprays according to the preamble of claim 1.
Es ist bekannt, zur Beurteilung der Qualität eines mit einem Roboter aufgetragenen Dickstoffs, z.B. eines Klebstoffs oder einer Dichtmasse, in manuellen Fertigungsbereichen durch Inspektion zu überprüfen. Fehler des Auftrags durch den Roboter werden daher erst mit zeitlichen Verzug erkannt und führen zu aufwändigen Nachbearbeitungen und Störungen von Taktzeiten in dem betreffenden Fabrikationsprozess.It is known for assessing the quality of a robot applied Thick matter, e.g. an adhesive or a sealant, in manual Inspect production areas by inspection. Error of the order The robots are therefore recognized only with a time delay and lead to complex Post-processing and errors of cycle times in the relevant fabrication process.
Aus
der Offenlegungsschrift
Aufgabe der Erfindung ist es, ein Verfahren zum Auftragen von Sprühstoffen anzugeben, mit dem eine einfache und zuverlässige Qualitätskontrolle eines Auftragsergebnisses möglich ist und das für Fertigungsverfahren von großen Stückzahlen von Bauteilen, insbesondere in der Fahrzeugproduktion, geeignet ist.task The invention is a process for applying sprays indicate with a simple and reliable quality control an order result possible is and for Manufacturing process of large numbers of components, in particular in vehicle production suitable is.
Unter dem Begriff „Auftragen von Sprühstoffen" soll dabei insbesondere das Aufbringen eines Auftragsstoffes in Form eines unzerstäubten, einphasigen Materialstrahls verstanden werden; prinzipiell soll das Verfahren jedoch auch für zerstäubendes Aufsprühen einsetzbar sein.Under the term "application Sprühstoffen "should in particular the application of a coating material in the form of an atomized, single-phase Material beam understood; in principle, the procedure should but also for atomizing spraying can be used be.
Die Aufgabe wird erfindungsgemäß mit den Merkmalen des Anspruchs 1 gelöst.The Task is according to the invention with the features of claim 1.
Gemäß der Erfindung erfasst eine optische Erfassungseinheit eine Geometrie eines aus einem Applikator austretenden Sprühstrahls. Dadurch kann sehr einfach ein Verschleiß von Düsen oder eine Verschmutzung der Düsen erkannt werden. Die Ausbildung des Sprühstrahls kann bei funktionsfähiger Düse bzw. bei funktionsfähigem Applikator reproduzierbar eingestellt werden und hängt im wesentlichen von verwendeten Düsengeometrie und dem gewählten Durchfluss ab. Daher kann bei Verwendung von üblichen Dosierern zum Dosieren des Sprühstoffes eine Geometrie des Sprühstrahls sicher eingestellt werden. Es ist möglich, das Verfahren automatisiert durchzuführen, so dass eine aufwändige Vorbereitung von Sprühbildern auf Substraten, die manuell erstellt und bewertet werden müssen, unterbleiben kann. Dadurch wird die Nacharbeit an dem mit Sprühstoff beschichteten Werkstück reduziert, da Fehler rechtzeitig erkannt und gemeldet werden.According to the invention an optical detection unit detects a geometry of one an applicator emerging spray. This can be very just a wear of Nozzles or a contamination of the nozzles be recognized. The formation of the spray can with functional nozzle or at workable Applicator can be set reproducibly and depends essentially on used nozzle geometry and the chosen one Flow off. Therefore, when using conventional dosers for dosing of the sprayer one Geometry of the spray jet be set securely. It is possible to perform the procedure automatically, so that an elaborate Preparation of spray pictures on substrates that need to be manually created and evaluated, can be omitted. This reduces the rework on the spray-coated workpiece, since errors are detected and reported in good time.
Wird die erfasste Geometrie des Sprühstrahls ausgewertet und mit einer vorgegebenen Geometrie verglichen, kann eine Abweichung von einem vorgegebenen Geometrie des Sprühstrahls leicht erkannt werden. Liegt eine solche Abweichung vor, wird ein Fehler des Applikators bzw. der zugehörigen Düse erkannt, der zu einem nicht akzeptablen Applikationsergebnis führen würde. Besonders zweckmäßig erfolgt die Auswertung der Geometrie des Sprühstrahls mit einem Auswerterechner, der mit der optischen Erfassungseinheit zumindest mittelbar verbunden ist. Ebenso lässt sich mit üblichen Bilderkennungs- und Bildbewertungsmethoden eine Automatisierung des Verfahrens ver wirklichen und in einen automatisierten oder zumindest teilweise automatisierten Fertigungsprozess eingliedern.Becomes the detected geometry of the spray jet evaluated and compared with a given geometry, can a deviation from a given geometry of the spray easily be recognized. If there is such a deviation, an error will occur of the applicator or the associated Nozzle detected, which would lead to an unacceptable application result. Especially useful the evaluation of the geometry of the spray jet with an evaluation computer, the at least indirectly connected to the optical detection unit is. Likewise leaves with usual Image recognition and image evaluation methods an automation of the method ver and in an automated or at least integrate partially automated manufacturing process.
Fährt der Roboter zur Kontrolle der Geometrie des Sprühstrahls einen Messbereich an, der getrennt von dem Applikationsbereich zum Auftragen des Sprühstoffs angeordnet ist, kann die optische Erfassungseinheit vorteilhaft vor Beschädigungen oder Verschmutzung bewahrt werden. Besonders günstig ist es, hierbei Kameras zu verwenden, die zur Einmessung des Werkstücks (z.B. der Karosserie) dienen und daher im Arbeitsbereich sowieso vorhanden sind. Gleichzeitig ist das Verfahren schnell genug, um etwa in einem Fertigungsprozess nur geringe Taktzeitverluste zu verursachen, falls es wiederholt während der Produktion durchgeführt wird.Does that drive Robot to control the geometry of the spray a measuring range which is separate from the application area for applying the spray is disposed, the optical detection unit may be advantageous from damage or pollution. It is particularly favorable, this cameras to be used to measure the workpiece (e.g., the body) and therefore present in the workspace anyway. simultaneously the process is fast enough to work in about a manufacturing process to cause only a small cycle time loss if repeated while carried out the production becomes.
Das Verfahren eignet sich insbesondere zum Aufbringen von Auftragsstoffen in Form eines unzerstäubten, einphasigen Materialstrahls, ist jedoch auch für zerstäubendes Aufsprühen einsetzbar.The Method is particularly suitable for applying applicators in the form of an atomized, single-phase material jet, but can also be used for atomizing spraying.
Bevorzugt wird eine definierte Menge des Sprühstoffs in einen Rückführbehälter appliziert und die Geometrie des Sprühstrahls bewertet. Dadurch kann der Sprühstoff aus dem getrennten Meßbereich wieder in den Applikationsbereich rückgeführt werden. Es wird kein Sprühstoff vergeudet.Prefers a defined amount of the spray is applied to a return container and the geometry of the spray rated. This allows the sprayer from the separate measuring range again be returned to the application area. It does not become a spray wasted.
Wird der Sprühstrahl beim Messen um einen vorgebbaren Winkel um die Austrittsrichtung gedreht, kann auch eine Bestimmung der Geometrie eines Sprühstrahls vorgenommen werden, der nicht rotationssymmetrisch ist. Eine Kontrolle der Geometrie kann unter verschiedenen Rotationswinkeln des Sprühstrahls erfolgen.Becomes the spray when measuring by a predeterminable angle around the exit direction rotated, can also be a determination of the geometry of a spray be made, which is not rotationally symmetrical. A checkpoint The geometry can be at different angles of rotation of the spray jet respectively.
Bevorzugt wird der Sprühstrahl beim Messen um 90° gedreht. Dies ermöglicht eine Erfassung der Geometrie eines sogenannten Flatstream-Sprühstrahls, bei dem der Sprühstrahl im wesentlichen zweidimensional ausgebildet ist.Prefers becomes the spray jet turned 90 ° when measuring. this makes possible a detection of the geometry of a so-called flatstream spray jet, where the spray is formed substantially two-dimensional.
Wird
keine Abweichung der gemessenen von der vorgegebenen Geometrie beobachtet,
fährt der
Roboter
Bei Abweichung der gemessenen von der vorgegebenen Geometrie, die außerhalb eines vorgebbaren, zulässigen Toleranzbereichs liegt, wird vorzugsweise ein Alarm ausgegeben. Dadurch kann eine schnelle Erkennung eines Fehlers des Applikators oder der Düse ermöglicht werden. Eine Warnmeldung kann automatisch ausgegeben werden.at Deviation of the measured from the given geometry, the outside a predefinable, permissible Tolerance range, an alarm is preferably issued. This allows a quick detection of an error of the applicator or the nozzle allows become. A warning message can be issued automatically.
Wird die Geometrie des Sprühstrahls von zumindest zwei Erfassungsmitteln erfasst, kann eine vorgegebene, komplexe Geometrie des Sprühstrahls automatisch erfasst werden. Eine Erkennungsgenauigkeit wird erhöht. Eine Rotation des Sprühstrahls kann dann gegebenenfalls auch unterleiben.Becomes the geometry of the spray jet detected by at least two detection means, a predetermined, complex geometry of the spray jet automatically be recorded. A recognition accuracy is increased. A Rotation of the spray can then possibly also abide.
Bevorzugt erfasst jedes der Erfassungsmittel einen Erfassungsbereich des Sprühstrahls, der um jeweils 90° um eine Austrittsrichtung des Sprühstrahls herum versetzt ist. Besonders für flache, im wesentlichen zweidimensionale Sprühstrahlen, wie etwa bei dem Flatstreamverfahren, gelingt eine sichere Erkennung der Geometrie des Sprühstrahls.Prefers each of the detection means detects a detection area of the spray jet, at 90 ° each an exit direction of the spray jet is offset around. Especially for flat, substantially two-dimensional sprays, such as in the Flatstream method, a secure detection of the geometry succeeds the spray jet.
Erfolgt eine Kontrolle der geometrischen Ausbildung in definierten Abständen, ist eine günstige Überwachung des Applikationsprozesses möglich. Fehler können frühzeitig erkannt werden, und Ausfallzeiten, Nachbearbeitungsaufwand und Ausschuss in einem Fertigungsprozess können vermindert werden. Parallel zur Kontrolle des Sprühbildes können Daten einer Prozessdiagnose, wie etwa Druck oder Durchfluss des Sprühstoffs in der Düse bzw. dem Applikator, herangezogen werden, um günstige Zeitabstände zur Kontrollmessung zu berechnen. Eine kontinuierliche Qualitätsüberwachung des Applikationsergebnisses ist möglich, ohne dass während des Applizierens eine Messung vorgenommen werden muss.He follows a control of geometric training at defined intervals, is a cheap surveillance of the application process possible. Errors can early be detected, and downtime, rework and scrap in a manufacturing process be reduced. Parallel to the control of the spray pattern can be data a process diagnosis, such as pressure or flow of the spray in the nozzle or The applicator, to be used at convenient intervals To calculate control measurement. Continuous quality control of the Application result is possible without that while of applying a measurement must be made.
Eine
Kontrollmessung ist auch während
des eigentlichen Auftragens des Sprühstoffs möglich. Allerdings erlaubt eine
Beobachtung der Geometrie des Sprühstrahls
Weitere Vorteile und Ausgestaltungen der Erfindung sind den weitern Ansprüchen und der Beschreibung zu entnehmen.Further Advantages and embodiments of the invention are the further claims and to take the description.
Im folgenden ist die Erfindung anhand eines in einer Zeichnung beschriebenen Ausführungsbeispiels näher erläutert.in the The following is the invention with reference to a described in a drawing embodiment explained in more detail.
Dabei zeigt die einzige Figur eine schematische Ansicht einer bevorzugten Anordnung mit Spritzdüse und optischer Erfassungseinheit in einem Messbereich zur Kontrolle der Geometrie des Sprühstrahls.there the single figure shows a schematic view of a preferred Arrangement with spray nozzle and optical detection unit in a measuring range for control the geometry of the spray jet.
Ein
Sprühstoff
wird mit einem von einem Roboter
Zur
Durchführung
des Verfahrens fährt
der Roboter
Die
optische Erfassungseinheit
Die
erfasste Geometrie des Sprühstrahls
Wird
eine Abweichung der gemessenen von der vorgegebenen Geometrie beobachtet,
die außerhalb
eines vorgebbaren, zulässigen
Toleranzbereichs liegt, wird ein Alarm ausgegeben. Ein Anlagenbetreiber
kann rechtzeitig die Düse
bzw. den Applikator
Wird
mit einem Sprühstrahl
Besonders
bevorzugt wird die geometrische Ausbildung des Sprühstrahls
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10331206A DE10331206A1 (en) | 2003-07-10 | 2003-07-10 | Spray material is applied to a workpiece by directing a spray jet of an applicator, monitoring the jet geometry, and comparing it with a predetermined geometry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10331206A DE10331206A1 (en) | 2003-07-10 | 2003-07-10 | Spray material is applied to a workpiece by directing a spray jet of an applicator, monitoring the jet geometry, and comparing it with a predetermined geometry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE10331206A1 true DE10331206A1 (en) | 2005-01-27 |
Family
ID=33546960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE10331206A Withdrawn DE10331206A1 (en) | 2003-07-10 | 2003-07-10 | Spray material is applied to a workpiece by directing a spray jet of an applicator, monitoring the jet geometry, and comparing it with a predetermined geometry |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE10331206A1 (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006020449A1 (en) * | 2006-05-03 | 2007-11-15 | Strahllack 2000 Gmbh | Nozzle`s wear condition testing method, involves measuring output of nozzle with pre-determined conditions such that measured output is set in relation to output of new nozzle of same design |
| DE102010011580A1 (en) * | 2010-03-16 | 2011-09-22 | Vollmer Werke Maschinenfabrik Gmbh | Device for generating and measuring a liquid jet, comprises a liquid source, which provides a liquid at a certain output pressure, a focusing device for forming and delivering the liquid jet along a beam axis, and a beam measuring device |
| WO2016203379A1 (en) * | 2015-06-19 | 2016-12-22 | Ger Elettronica S.R.L. | Improved plant for spraying skins and the like |
| CN107073502A (en) * | 2014-06-23 | 2017-08-18 | 辛诺瓦有限公司 | For the method for the position for determining liquid jet |
| DE102016014951A1 (en) * | 2016-12-14 | 2018-06-14 | Dürr Systems Ag | Coating device and associated operating method |
| CN109926377A (en) * | 2017-12-15 | 2019-06-25 | 杉野机械股份有限公司 | The inspection method and its device of nozzle |
| US11154892B2 (en) | 2016-12-14 | 2021-10-26 | Dürr Systems Ag | Coating device for applying coating agent in a controlled manner |
| US11167308B2 (en) | 2016-12-14 | 2021-11-09 | Dürr Systems Ag | Print head for the application of a coating agent on a component |
| US11167297B2 (en) | 2016-12-14 | 2021-11-09 | Dürr Systems Ag | Print head for the application of a coating agent |
| US11203030B2 (en) | 2016-12-14 | 2021-12-21 | Dürr Systems Ag | Coating method and corresponding coating device |
| US11298717B2 (en) | 2016-12-14 | 2022-04-12 | Dürr Systems Ag | Print head having a temperature-control device |
| CN114401794A (en) * | 2019-08-20 | 2022-04-26 | 巴斯夫涂料有限公司 | Device for monitoring the rotary atomization of a coating material composition |
| US11338312B2 (en) | 2016-12-14 | 2022-05-24 | Dürr Systems Ag | Print head and associated operating method |
| US11440035B2 (en) | 2016-12-14 | 2022-09-13 | Dürr Systems Ag | Application device and method for applying a multicomponent coating medium |
| US11504735B2 (en) | 2016-12-14 | 2022-11-22 | Dürr Systems Ag | Coating device having first and second printheads and corresponding coating process |
| US11944990B2 (en) | 2016-12-14 | 2024-04-02 | Dürr Systems Ag | Coating device for coating components |
| US11975345B2 (en) | 2016-12-14 | 2024-05-07 | Dürr Systems Ag | Coating installation and corresponding coating method |
| US12186763B2 (en) | 2016-12-14 | 2025-01-07 | Dürr Systems Ag | Print head with a displacing mechanism for a nozzle row |
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| DE19543869A1 (en) * | 1995-11-24 | 1997-05-28 | Seidenader Maschinenbau Gmbh | Method and device for continuously monitoring the addition of liquid |
| DE19828592A1 (en) * | 1997-06-27 | 1999-12-30 | Sensor Instr Gmbh | Measuring spray jet emanating from spray nozzle |
| DE19842266A1 (en) * | 1998-09-15 | 2000-03-16 | Windmoeller & Hoelscher | Method for applying adhesive to continuously moving strips of paper for bag production with adhesive flow from application nozzle monitored |
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-
2003
- 2003-07-10 DE DE10331206A patent/DE10331206A1/en not_active Withdrawn
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| JPH01224065A (en) * | 1988-03-04 | 1989-09-07 | Kobe Steel Ltd | paint pattern detection device |
| DE19543869A1 (en) * | 1995-11-24 | 1997-05-28 | Seidenader Maschinenbau Gmbh | Method and device for continuously monitoring the addition of liquid |
| DE19836961C2 (en) * | 1997-04-18 | 2000-08-24 | Mitsubishi Electric Corp | Spray distribution meter and associated method |
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Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006020449A1 (en) * | 2006-05-03 | 2007-11-15 | Strahllack 2000 Gmbh | Nozzle`s wear condition testing method, involves measuring output of nozzle with pre-determined conditions such that measured output is set in relation to output of new nozzle of same design |
| DE102010011580A1 (en) * | 2010-03-16 | 2011-09-22 | Vollmer Werke Maschinenfabrik Gmbh | Device for generating and measuring a liquid jet, comprises a liquid source, which provides a liquid at a certain output pressure, a focusing device for forming and delivering the liquid jet along a beam axis, and a beam measuring device |
| DE102010011580B4 (en) * | 2010-03-16 | 2020-01-02 | Vollmer Werke Maschinenfabrik Gmbh | Device and method for measuring a liquid jet, in particular used as a light guide, and device for processing a workpiece |
| CN107073502B (en) * | 2014-06-23 | 2019-12-06 | 辛诺瓦有限公司 | Method for determining the position of a liquid jet |
| CN107073502A (en) * | 2014-06-23 | 2017-08-18 | 辛诺瓦有限公司 | For the method for the position for determining liquid jet |
| WO2016203379A1 (en) * | 2015-06-19 | 2016-12-22 | Ger Elettronica S.R.L. | Improved plant for spraying skins and the like |
| US11338312B2 (en) | 2016-12-14 | 2022-05-24 | Dürr Systems Ag | Print head and associated operating method |
| US11878317B2 (en) | 2016-12-14 | 2024-01-23 | Dürr Systems Ag | Coating device with printhead storage |
| WO2018108563A1 (en) | 2016-12-14 | 2018-06-21 | Dürr Systems Ag | Coating device and associated operating method |
| EP3689474A1 (en) | 2016-12-14 | 2020-08-05 | Dürr Systems AG | Coating device and corresponding coating method |
| US12383921B2 (en) | 2016-12-14 | 2025-08-12 | Dürr Systems Ag | Coating device and corresponding coating process |
| US11154892B2 (en) | 2016-12-14 | 2021-10-26 | Dürr Systems Ag | Coating device for applying coating agent in a controlled manner |
| US11167302B2 (en) | 2016-12-14 | 2021-11-09 | Dürr Systems Ag | Coating device and associated operating method |
| US11167308B2 (en) | 2016-12-14 | 2021-11-09 | Dürr Systems Ag | Print head for the application of a coating agent on a component |
| US11167297B2 (en) | 2016-12-14 | 2021-11-09 | Dürr Systems Ag | Print head for the application of a coating agent |
| US11203030B2 (en) | 2016-12-14 | 2021-12-21 | Dürr Systems Ag | Coating method and corresponding coating device |
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| CN109926377B (en) * | 2017-12-15 | 2021-08-31 | 杉野机械股份有限公司 | Nozzle inspection method and apparatus |
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