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WO2017041901A1 - Procédé d'assemblage ou de séparation - Google Patents

Procédé d'assemblage ou de séparation Download PDF

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Publication number
WO2017041901A1
WO2017041901A1 PCT/EP2016/025098 EP2016025098W WO2017041901A1 WO 2017041901 A1 WO2017041901 A1 WO 2017041901A1 EP 2016025098 W EP2016025098 W EP 2016025098W WO 2017041901 A1 WO2017041901 A1 WO 2017041901A1
Authority
WO
WIPO (PCT)
Prior art keywords
specific data
joining
detected
information
evaluated
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.)
Ceased
Application number
PCT/EP2016/025098
Other languages
German (de)
English (en)
Inventor
Erwan Dr. SIEWERT
Andreas Dr.TRAUTMAN
Wolfgang Dr. BÜCHELE
Tom Blades
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.)
Linde GmbH
Original Assignee
Linde GmbH
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 Linde GmbH filed Critical Linde GmbH
Publication of WO2017041901A1 publication Critical patent/WO2017041901A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/03—Observing, e.g. monitoring, the workpiece
    • B23K26/032—Observing, e.g. monitoring, the workpiece using optical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
    • B23K31/125—Weld quality monitoring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/013—Arc cutting, gouging, scarfing or desurfacing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/16—Arc welding or cutting making use of shielding gas
    • B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/16—Arc welding or cutting making use of shielding gas
    • B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P1/00—Safety devices independent of the control and operation of any machine
    • F16P1/06—Safety devices independent of the control and operation of any machine specially designed for welding

Definitions

  • the invention relates to a method for joining or separating, wherein
  • process-specific data of the joining or separation process are detected and wherein the acquired process-specific data are evaluated.
  • Separating method spoken in addition to the welding and the related methods are included, such as. thermal coating, cutting, soldering, generating structures, etc.
  • an energy source in addition to an arc, a laser, a flame or an electron beam can be used, without departing from the scope of the invention.
  • separation methods such as e.g. laser cutting, plasma cutting and flame cutting.
  • TIG welding In tungsten inert gas welding (TIG welding, TIG), an arc burns between a non-consumable tungsten electrode and the workpiece to be machined. The workpiece is thereby melted.
  • a suitable protective gas is used which comprises the tungsten electrode and the Melting bath covering. TIG welding typically works in inert, less often in reducing atmospheres.
  • the W IG process typically achieves very high welding quality. However, these are not arbitrarily automated and allow
  • MIG metal inert gas welding
  • MAG metal active gas welding
  • the welding current, the wire electrode, the shielding gas and possibly required cooling water are fed through a hose pack to a MSG burner.
  • MSG processes allow a high welding speed and thus a superior productivity compared to IG-process.
  • the automation of MSG processes is extremely high.
  • a disadvantage of the use of directly heated in the arc, melted and vaporized filler material is the significantly higher emission of particles compared to W IG process.
  • the weld quality achievable with MSG processes is often considered to be lower compared to TIG processes.
  • Special procedures use multiple electrodes. Here, two wire electrodes are most commonly used (tandem welding).
  • the charge carriers required to form a plasma are supplied by the ionization of an inert plasma gas (argon or mixtures of argon, helium and / or hydrogen).
  • an arc can be formed within the torch and / or between the torch and the workpiece (so-called “non-transmitted” or “transmitted” arc).
  • WPS plasma jet welding
  • WPL plasma arc welding
  • plasma MIG welding a consumable electrode is inserted and a plasma arc is ignited between a plasma gas nozzle and the machined workpiece.
  • the plasma arc is determined by means of a
  • the plasma gas nozzle, the siergasdüse and the likewise existing protective gas nozzle are arranged coaxially. The like at
  • the above methods give information in the form of emissions, such as emissions.
  • emissions Light, sound, electromagnetic radiation as well as particulate and gaseous substances.
  • These emissions differ considerably in terms of their type and quantity depending on the method used.
  • these processes differ by their type of material transfer and therefore by their dynamic behavior.
  • the electrode in TIG welding not, so that a very constant arc without significant differences in brightness arises, whereas the electrode in MSG welding at the same time is additional material and melts, so that it e.g. by the material transfer or by short circuits to a highly dynamic arc behavior with very large
  • Arc welding uses welding protection helmets or welding shields that protect the welder from heat, spatter and radiation.
  • Ventilated helmets are increasingly used, but usually only for very specific applications, which reduce the gas and particulate emissions in the breathing area of the user, but also restrict the operator's work. The adjustment and control of the welding process takes place during manual
  • the information content of this data is greatly limited in frequency, bandwidth, and in the dynamic range, so that it is not or only very limited possible to use this information to draw conclusions about the quality of the welding result.
  • Welding processes must be monitored in order to process parameters, e.g. To be able to adjust the burner orientation or the arc length correctly and to be able to react to changes, so that the required quality of
  • welded connection can be guaranteed.
  • the welder uses "listening”, “seeing” and “feeling” in his senses.
  • the scope of our sense organs is limited here.
  • the restrictions concern the recording frequency, the bandwidth (dynamics) and the resolution.
  • the human eye is only sensitive in a wavelength range between approx.
  • Optical radiation of other wavelengths can not from the
  • Wavelength interval detected with a maximum width of 20 nm The collected process-specific data are evaluated and based on the
  • Evaluated process-specific data is a display medium and / or a viewing window, which is integrated in each case in a protective equipment for the joining or separation process performing person, driven.
  • the evaluated process-specific data can at least partly be used to control the process.
  • the joining or separation process information in particular in the form of emissions, such as light, sound, electromagnetic radiation and particulate and gaseous substances discharged.
  • emissions such as light, sound, electromagnetic radiation and particulate and gaseous substances discharged.
  • These emitted information or emissions are detected in a narrow wavelength range, for example by means of a sensor, and corresponding measured values of this information or emissions, eg an intensity, are detected as process-specific data.
  • light emissions or electromagnetic radiation are detected with the sensors and data which characterize these light emissions or these electromagnetic radiation are detected as process-specific data.
  • the process-specific data are recorded in a narrow wavelength interval with a maximum width of 20 nm.
  • Wavelength interval is specifically chosen so that critical emissions or information lie in the wavelength interval. For example, that will
  • Wavelength interval so that the optical emission line of a toxic substance is within the chosen interval. Due to the narrow wavelength interval, the continuous spectrum of the other light emissions or the line radiation of other substances, for example an arc during welding, is essentially masked out. In this way, even low intensities can be measured, which otherwise go down in the broad spectrum. The sensitivity is increased considerably. In the above example, even small amounts of the toxic substance can be detected and appropriate countermeasures taken to protect the welder. The invention thus allows rapid detection of particles or vapors that occur during the joining or separation process, even if they occur only in very low concentrations.
  • signals from the welding process which are detected only by very expensive sensors or which can only be determined with a time delay (e.g.
  • a body worn personal protective equipment such as e.g. a protective helmet (also referred to below as a helmet for short)
  • process-specific data are recorded in multiple wavelength intervals with a maximum width of 20 nm, related to each other and evaluated.
  • first process-specific data becomes a first one
  • the first and the second wavelength interval are different from each other, that is, they do not overlap.
  • process-specific data and the second process-specific data are then related to each other and evaluated. Based on the evaluated process-specific data, a display medium and / or a viewing window, which is integrated in each case in a protective equipment for a person performing the joining or separation procedure, driven.
  • Certain measured values for example the intensity, of two or more spectral lines are detected and the measured values are correlated with one another. From the measured values and their correlation with each other, certain
  • Properties of the examined joining or separation method can be determined. For example, it is possible to determine from the intensity of two spectral lines of an arc
  • the acquired process-specific data are made available for example via a cable or via a wireless connection to a processor or a computing unit with a working memory as input data.
  • the acquired process-specific data can be evaluated via an algorithm stored in the main memory and output data can be generated. This generated output data can be used at least in part to control the display medium and / or the viewing window.
  • the personal protective equipment may also include a transmitting and receiving unit, e.g. WLAN or Bluetooth or other data transmission techniques.
  • a transmitting and receiving unit e.g. WLAN or Bluetooth or other data transmission techniques.
  • the process-specific data and / or the output data can be transferred between a processor, a computing unit or a memory and the protective equipment.
  • Display medium and / or viewing window can thus be controlled via the transmitting and receiving unit according to the output data from the processor or the computing unit.
  • This transmitting and receiving unit is particularly advantageous on the belt of the welder to minimize the radiation exposure at the head of the welder.
  • the viewing window which is integrated into the protective equipment for the person performing the joining or separation process person, based on the evaluated process-specific data is controlled such that harmful radiation exposures for the joining or separation procedure performing person can be avoided.
  • Separating method performing person is integrated, so controlled that an information content on the joining or separation process for the joining or separating procedure performing (and this considering) person is increased. Not only can the operator be protected by the invention, but he also receives selectively selected and edited information from a much wider range of information.
  • the invention makes it possible to increase the visual information content and to avoid harmful radiation exposures during welding, in particular by the local as well as the wavelength-dependent amplification or attenuation of radiation intensities or also by a combination of different image reproduction frequencies.
  • Welding process is detected in one or more narrow wavelength intervals and passed through a field of view (the viewing window) of the helmet and / or displayed on the display medium.
  • Display medium shown.
  • emission data which describe emissions arising during the welding process can thus be visualized and made available to the person performing the joining or separating process.
  • Other information may also be displayed and / or superimposed, e.g. Information from the power source or gas cylinder.
  • the visualized information is preferred on a display (e.g., LCD) in a helmet of protective equipment and / or goggles
  • Protective equipment which can optionally be worn by the welder in combination with a helmet.
  • the visualized information can also be displayed by projection at a remote location.
  • a radiation intensity is detected as process-specific data, wherein the detected radiation intensity in the course of the evaluation with
  • a transmittance of the viewing window in response to the evaluated radiation intensity is changed.
  • the avoidance of harmful radiation exposures can thus be achieved by comparing the current radiation intensities with the limits of the electromagnetic radiation (in particular the UV radiation) in situ and the transmittance of the viewing window in the helmet is adjusted according to the intensity of the incident electromagnetic radiation.
  • the current radiation for example, cameras or diodes are used.
  • the maximum transmission value is thereby limited, which means that it can not be set manually too high (as was previously possible according to the prior art).
  • the information content and harmful radiation exposure are achieved particularly advantageously by regulating the degree of transmission and / or by changing the wavelength transmission interval.
  • the process-specific data of the joining or separation process are detected by at least two sensors.
  • a distance between the at least two sensors is selected as a function of a desired spatial resolution and / or a spatial representation of the process-specific data.
  • the information content or visualized information is thus enhanced through the use of two or more sensors to provide suitable local resolution
  • objects for example the arc
  • the distance between the two or more sensors can be increased in order to improve the three-dimensional representation of the information.
  • depth information can be obtained (for example, about the depth of the molten bath and thus the penetration).
  • a sensor which is preferably designed as a flat sensor.
  • the process-specific information is divided, for example, via a beam splitter or a prism, passed over at least two filters with a maximum bandwidth of 20 nm and displayed on the one sensor as separate images or superimposed.
  • Two or more than two sensors can advantageously serve the redundancy and thus the security.
  • Spatially resolved data can be created, allowing geometric data to be acquired, eg by triangulation (eg 2, 3 or 4 sensors for 2 or 3-dimensional triangulation or fringe projection).
  • statistical analysis can be carried out with particular advantage if a large number of sensors required for this purpose is used.
  • the process-specific data of the joining or separation process are detected with at least two sensors, each of the at least two sensors each having a different spectral sensitivity.
  • the information content or the visualized information is thereby improved.
  • wavelength-dependent sensitivity e.g. also the melt
  • the component and the finished weld are perceived.
  • the very bright arc can be attenuated accordingly. Only the important information located in the selected wavelength interval (s) is amplified so that more information can be gained.
  • measured values of physical quantities are detected by the at least one sensor as process-specific data, which are at least partly from the human eye, hearing or
  • Sense of smell are imperceptible. These process-specific data are presented visually to the person performing the joining or separating process via the display medium. For example, the process-specific data in the course of the evaluation in perceptible to the human eye or hearing
  • Output data are converted and displayed visually via the display medium.
  • advantageously sensors are used whose
  • Detection range frequency, resolution, dynamics, measuring range
  • Wavelength ranges of the electromagnetic radiation which however does not necessarily coincide with the information-rich wavelength ranges of a welding process. Due to the transmission of only certain wavelength ranges or through the gain information rich
  • Wavelength ranges make it possible to have particularly important properties
  • the heat radiation of the electrodes is especially at lower temperatures (for example, in the already solidified weld or in the molten bath of
  • radiation emitted by the joining or separating method is filtered as a function of wavelength and / or location and detected as process-specific data.
  • the light emissions are in one or more narrow
  • the wavelength interval in which emissions are detected is preferably set at a wavelength of 81 1 nm, particularly preferably symmetrically around a wavelength of 81 1 nm.
  • the substances of importance which have a lower evaporation temperature or a lower vapor pressure, such as manganese or silicon.
  • Manganese has a particularly strong line emission at e.g. 516.7 nm and 448.1 nm.
  • the line radiation of the corresponding element of importance which can get into the arc by the protective gas, the ambient air or the electrodes. This spectrally selective information has relevance for health protection, for the path of current flow, for the
  • Plasma composition and for the plasma temperature are important for the penetration and the energy input. Accordingly, in methods for joining or separating aluminum or aluminum-containing materials, it is advantageous to select the wavelength interval (s) such that one or more
  • Emission lines of silicon and / or manganese are detected. From the acquired information, for example, plasma temperature images or images of the melt bath temperature can be displayed. It is possible to calculate emissions from the data. Also a location-dependent application of different
  • Transfer functions e.g., driving the exposure time of individual
  • Pixels is conceivable. In inert gas plasmas, even the turbulence or the diffusion of atmospheric or ambient gases surrounding the process can be detected and thus closed on the quality of the protective gas cover.
  • process-specific data which describe, attenuated or amplified predetermined spatial regions of the joining or separating process.
  • Information content or the visualized information is thus improved by locally attenuating or amplifying the image information of the sensors. This process can be done by software or implemented directly in the camera or the sensor.
  • the visualized information is displayed on the display medium by highlighting contours, for example by fading colored bars or curves.
  • a time-lapse representation of the information is created, a false-color image is created and / or a picture-in-picture representation of the
  • Information created Information with a very high temporal dynamics is recorded, but reproduced in a frequency that allows humans to process this information (time-lapse). So you can record data in a very high frequency and restore the operator as a time lapse (for example, time-lapse image in the original image).
  • time-lapse for example, time-lapse image in the original image.
  • dynamic range information can be recorded to a large extent and displayed to the welder, for example, as a false color image.
  • the visualization of these time lapse recordings or of this dynamic recording is conceivable as a second picture in the original picture.
  • the detection range (eg wavelength) or the dynamic range can also be detected in a wide range and normalized in the human-detectable range.
  • Examples of a picture-in-picture display are the superimposition of a spectrally filtered picture, a temperature plot or a time-lapse picture.
  • the latter allows the welder or the person performing the joining or separating process to assess shorts, splashes and the drop geometry (shape and size).
  • the acquired and / or evaluated process-specific data are stored at least partially in a storage medium. The data can thus be used to document the quality of the joint connection.
  • the acquired raw data can be processed in advance or sent to another arithmetic unit to be stored and / or evaluated there. Possibly. can also use the data automatic
  • Measures are taken, e.g. via the control of the power source or other peripherals, to a consistent quality even with a
  • the data is preferably stored in the storage medium or compared with information that is present in this storage medium.
  • the medium can also be a cloud.
  • CCD sensors, CMOS sensors, high dynamic range cameras and / or photodiodes are used as sensors or "high dynamic range” sensors.
  • High dynamic range sensors or cameras are understood to mean sensors or cameras having a dynamic range of more than 10,000: 1, more than 50,000: 1 or more than 100,000: 1, i. capture and store brightness differences greater than 10000: 1, greater than 50,000: 1, and greater than 100,000: 1, respectively.
  • the signal from the sensors can also be used to control the exposure time of the cameras or diodes used to allow optimal adaptation to the radiation intensities. To compensate for even greater differences in brightness, additional apertures or dimmable filter discs can be used.
  • the sensors can be arranged on the protective equipment or in the room.
  • a camera is used as a sensor, which is positioned so that it receives the arc of a welding process from close range.
  • Attenuated can be directly visualized by the proximity to the sensory organs of man, without distracting the welder from his task.
  • Quality control can be increased and thus the control effort (rework) can be reduced;
  • Information densities can be increased by extending the detectable frequency, coverage, and resolution, as well as selectively selecting and combining important information, thereby simplifying the handling and operability of the joining or separating process; the material transition (in particular with frequencies up to over 200 Hz) can be reproduced in time.
  • Figure 1 shows the spectrum of an arc, from the two narrow
  • Wavelength intervals are filtered out and measured
  • FIG. 2 shows a first variant according to the invention for recording measured values
  • FIG. 3 shows a second variant according to the invention for recording measured values
  • FIG. 4 a shows an example for determining a specific correlation
  • FIG. 4b shows the use of the correlation determined in FIG.
  • Figure 1 shows schematically the spectrum 1 1 of an arc that arises during welding.
  • the spectrum 1 for example, the spectral lines 12a, 12b of aluminum at 309 nm and 396 nm can be seen.
  • Wavelength intervals 13a, 13b measured.
  • the measured values are fed to a computing unit 15 which generates output data from the measured values and previously stored data which are displayed to the welder in a display medium 16, for example a viewing window.
  • FIG. 2 shows a first variant for recording measured values.
  • two or more sensors 22a, 22b are used, which via suitable filters 24a, 24b each only a narrow wavelength range of the spectrum 21 of a
  • Figure 3 shows an alternative embodiment in which a single large area sensor 32 is used.
  • the radiation 31 of the arc is over a
  • Beam splitter 33 or a prism directed to two different filters 34a, 34b, which each filter out a certain wavelength interval.
  • the two beams emerging from the filters 34a, 34b are then brought together and superimposed on the one sensor 32.
  • the measured value determined with the sensor 32 is then in turn supplied to a computing unit 35.
  • FIG. 4 a shows a method in which, in a first step, two variables characterizing the welding process are measured and their correlation determined.
  • the intensity of the metal vapor in a certain wavelength range is determined via a filter 44 and a corresponding sensor.
  • the total amount of smoke is determined via a second measurement 46. Both measured values are fed to a computing unit 45 in order to determine the correlation 47 between these measured values, that is to say between the intensity of the metal vapor and the total amount of smoke.
  • the determined or calculated correlation is stored in the arithmetic unit 45 or a memory connected to the arithmetic unit 45.
  • Arithmetic unit 45 is supplied.
  • the computing unit 45 then calculates the total amount of smoke from the intensity of the metal vapor and the previously determined correlation 47.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Laser Beam Processing (AREA)

Abstract

L'invention concerne un procédé d'assemblage ou de séparation, des données spécifiques du procédé d'assemblage ou de séparation étant enregistrées à l'aide d'au moins un capteur, les données spécifiques du procédé d'assemblage ou de séparation enregistrées étant évaluées, et un support d'affichage et/ou une fenêtre, qui est intégré(e) dans un équipement de protection destiné à une personne mettant en oeuvre ledit procédé d'assemblage ou de séparation, étant commandé(e) sur la base des données spécifiques du procédé évaluées.
PCT/EP2016/025098 2015-09-08 2016-09-08 Procédé d'assemblage ou de séparation Ceased WO2017041901A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15002621 2015-09-08
EP15002621.9 2015-09-08

Publications (1)

Publication Number Publication Date
WO2017041901A1 true WO2017041901A1 (fr) 2017-03-16

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ID=54072649

Family Applications (1)

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PCT/EP2016/025098 Ceased WO2017041901A1 (fr) 2015-09-08 2016-09-08 Procédé d'assemblage ou de séparation

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Country Link
WO (1) WO2017041901A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08150475A (ja) * 1994-11-25 1996-06-11 Mitsubishi Heavy Ind Ltd 溶接状況の遠隔監視方法
JPH09141432A (ja) * 1995-11-20 1997-06-03 Hitachi Zosen Corp 溶接監視装置
EP0698225B1 (fr) * 1993-05-10 1998-10-14 Optrel Ag Dispositif protecteur
JPH1110335A (ja) * 1997-06-18 1999-01-19 Mitsubishi Heavy Ind Ltd 溶接状況の監視方法とその装置
EP0941725A1 (fr) * 1998-03-12 1999-09-15 La Soudure Autogene Francaise Masque de protection pour le soudage à vision dans l'infrarouge et utilisation d'un tel masque
WO2012048436A1 (fr) * 2010-10-15 2012-04-19 Donata Castelberg Dispositif anti-éblouissement
US20120248081A1 (en) * 2011-03-29 2012-10-04 Illinois Tool Works Inc. Method for determining arc consistency in pulsed gas metal arc welding systems

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0698225B1 (fr) * 1993-05-10 1998-10-14 Optrel Ag Dispositif protecteur
JPH08150475A (ja) * 1994-11-25 1996-06-11 Mitsubishi Heavy Ind Ltd 溶接状況の遠隔監視方法
JPH09141432A (ja) * 1995-11-20 1997-06-03 Hitachi Zosen Corp 溶接監視装置
JPH1110335A (ja) * 1997-06-18 1999-01-19 Mitsubishi Heavy Ind Ltd 溶接状況の監視方法とその装置
EP0941725A1 (fr) * 1998-03-12 1999-09-15 La Soudure Autogene Francaise Masque de protection pour le soudage à vision dans l'infrarouge et utilisation d'un tel masque
WO2012048436A1 (fr) * 2010-10-15 2012-04-19 Donata Castelberg Dispositif anti-éblouissement
US20120248081A1 (en) * 2011-03-29 2012-10-04 Illinois Tool Works Inc. Method for determining arc consistency in pulsed gas metal arc welding systems

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DAVIES, A.C.: "The Science and Practice of Welding. 10. Aufl.", 1993, CAMBRIDGE UNIVERSITY PRESS
DILTHEY, U.: "Schweißtechnische Fertigungsverfahren 1: Schweiß- und Schneidtechnologien. 3. Aufl.", 2006, SPRINGER

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