WO2020235293A1 - アーク溶接方法及びアーク溶接装置 - Google Patents
アーク溶接方法及びアーク溶接装置 Download PDFInfo
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- WO2020235293A1 WO2020235293A1 PCT/JP2020/017615 JP2020017615W WO2020235293A1 WO 2020235293 A1 WO2020235293 A1 WO 2020235293A1 JP 2020017615 W JP2020017615 W JP 2020017615W WO 2020235293 A1 WO2020235293 A1 WO 2020235293A1
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- Prior art keywords
- welding
- welding wire
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- arc
- power value
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- 238000003466 welding Methods 0.000 title claims abstract description 227
- 238000000034 method Methods 0.000 title claims description 12
- 239000010953 base metal Substances 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 10
- 230000010354 integration Effects 0.000 abstract description 4
- 239000011159 matrix material Substances 0.000 abstract 2
- 238000001514 detection method Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
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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
- B23K9/00—Arc welding or cutting
- B23K9/06—Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc
- B23K9/073—Stabilising the arc
- B23K9/0732—Stabilising of the arc current
-
- 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
-
- 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
- B23K9/06—Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc
- B23K9/073—Stabilising the arc
-
- 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
- B23K9/09—Arrangements or circuits for arc welding with pulsed current or voltage
-
- 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
- B23K9/09—Arrangements or circuits for arc welding with pulsed current or voltage
- B23K9/091—Arrangements or circuits for arc welding with pulsed current or voltage characterised by the circuits
- B23K9/092—Arrangements or circuits for arc welding with pulsed current or voltage characterised by the circuits characterised by the shape of the pulses produced
-
- 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
- B23K9/095—Monitoring or automatic control of welding parameters
-
- 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
- B23K9/095—Monitoring or automatic control of welding parameters
- B23K9/0953—Monitoring or automatic control of welding parameters using computing 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
- B23K9/00—Arc welding or cutting
- B23K9/095—Monitoring or automatic control of welding parameters
- B23K9/0956—Monitoring or automatic control of welding parameters using sensing means, e.g. optical
-
- 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
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/124—Circuits or methods for feeding welding wire
- B23K9/125—Feeding of electrodes
Definitions
- the present invention relates to an arc welding method and an arc welding apparatus.
- Patent Document 1 describes an arc welding apparatus that calculates the amount of change in welding voltage per predetermined time and determines the amount of change in welding voltage per predetermined time and the threshold for determining the constriction of droplets. The control method is disclosed.
- the present invention has been made in view of this point, and an object of the present invention is to suppress the generation of sputtering when a short circuit is opened.
- the first invention provides an arc welding method that alternately includes a short-circuit period in which a short-circuit state occurs in which the welding wire and the base metal are short-circuited and an arc period in which an arc is generated between the welding wire and the base metal. It is targeted.
- the arc welding method includes a step of integrating the electric current supplied to the welding wire within a predetermined period to calculate an integrated electric power value after the welding wire is short-circuited, and the integrated electric power value is more than a predetermined threshold value. When it is large, it includes a step of reducing the welding current supplied to the welding wire.
- the integrated power value within a predetermined period is calculated. Then, when the integrated power value is larger than a predetermined threshold value, the welding current is reduced.
- the welding current is reduced before the short circuit is opened, and the amount of heat input to the welding wire is reduced. As a result, it is possible to suppress the occurrence of spatter when the short circuit is opened.
- the calculation of the integrated power value is started after a predetermined time has elapsed after the welding wire is short-circuited.
- the calculation of the integrated power value is started after a predetermined time has elapsed after the welding wire is short-circuited, for example, after the short circuit becomes stable.
- the integrated value of the power can be calculated excluding the period when the short circuit is not stable.
- the integrated power value is calculated after the welding wire is short-circuited and the welding current starts to increase. To start.
- the calculation of the integrated power value is started after the welding current starts to increase after the welding wire is short-circuited. As a result, an appropriate amount of heat can be given to the welding wire even when the welding voltage changes.
- the fourth invention is described in any one of the first to the third, after the welding wire is short-circuited and the welding current starts to increase, or after the short-circuiting and a predetermined time have elapsed. It has a process of backfeeding the welding wire.
- the welding wire is fed back after the welding wire is short-circuited and the welding current starts to increase, or after the short-circuiting and a predetermined time have elapsed. As a result, it is possible to prevent the welding wire from buckling.
- the fifth invention may further include, in claim 1, a step of determining whether or not the integrated power value is larger than a predetermined threshold value.
- the predetermined threshold value may be a fixed value. Further, this fixed value may be determined for each welding condition.
- the sixth invention performs welding including alternately and repeatedly a short-circuit period in which a short-circuit state occurs in which the welding wire and the base metal are short-circuited and an arc period in which an arc occurs between the welding wire and the base metal. It is intended for arc welding equipment. Then, after the welding wire is short-circuited, a calculation unit that integrates the power supplied to the welding wire within a predetermined period to calculate the integrated power value, and a case where the integrated power value is larger than a predetermined threshold value. Also provided with a control unit that reduces the welding current supplied to the welding wire.
- the calculation unit calculates the integrated power value within a predetermined period after the welding wire is short-circuited.
- the control unit reduces the welding current when the integrated power value is larger than a predetermined threshold value.
- the welding current is reduced before the short circuit is opened, and the amount of heat input to the welding wire is reduced. As a result, it is possible to suppress the occurrence of spatter when the short circuit is opened.
- the seventh invention includes a plurality of arc welding devices according to the sixth invention, and the cables on the ground side of the plurality of arc welding devices are connected to the base metal, respectively.
- the cables on the ground side in the plurality of arc welding devices are connected to the base metal, respectively.
- the welding current at the time of short-circuit opening is reduced based on the integrated value of the electric power supplied to the welding wire, that is, the amount of heat input actually applied to the welding wire.
- the control to reduce the welding current before opening the short circuit between the welding wire and the base metal is ensured based on the integrated power value. It can be carried out.
- control unit may further determine whether or not the integrated power value is larger than a predetermined threshold value.
- the predetermined threshold value may be a fixed value. Further, this fixed value may be determined for each welding condition.
- the arc welding apparatus 10 has a short-circuit period in which a short-circuit state occurs in which the welding wire 34, which is a consumable electrode, and the base metal 35, which is the object to be welded, are short-circuited, and the welding wire 34 and the base metal 35 are connected to each other. Welding is performed by alternately and repeatedly including an arc period in which an arc is generated in between.
- the arc welding device 10 includes a first rectifying unit 11, a first switching unit 12, a transformer 13, a second rectifying unit 14, a second switching unit 15, a resistor 16, a reactor 17, and a welding current detection. It has a unit 18, a welding voltage detection unit 19, and a control unit 20.
- the first rectifying unit 11 rectifies the input voltage input from the input power supply S outside the arc welding device 10.
- the first switching unit 12 adjusts the output of the first rectifying unit 11 by a switching operation.
- the transformer 13 converts the output of the first switching unit 12 into an output suitable for welding.
- the second rectifying unit 14 rectifies the output of the transformer 13.
- the second switching unit 15 adjusts the output of the second rectifying unit 14 by a switching operation.
- the resistor 16 is connected in parallel with the second switching unit 15.
- the reactor 17 is connected in series with the second switching unit 15.
- the reactor 17 smoothes the output of the second switching unit 15.
- the welding current detection unit 18 detects the welding current supplied between the welding wire 34 and the base metal 35. A detection signal indicating the welding current detected by the welding current detection unit 18 is transmitted to the control unit 20.
- the welding voltage detection unit 19 detects the welding voltage supplied between the welding wire 34 and the base metal 35. A detection signal indicating the welding voltage detected by the welding voltage detection unit 19 is transmitted to the control unit 20.
- the arc welding device 10 is connected to a welding torch 30, a base material 35, a wire feeding unit 32, and a setting unit 25 to form an arc welding system.
- the welding torch 30 is provided with a welding tip 31 for supplying electric power to the welding wire 34.
- the wire feeding unit 32 feeds the welding wire 34 by controlling the constant feeding at a predetermined feeding speed or by feeding the welding wire 34 in the direction of the base metal 35. It controls the feed such as the feed control of the forward feed and the reverse feed, in which the feed and the reverse feed are alternately sent in the opposite direction.
- welding is performed by alternately generating a short-circuit state and an arc state while alternately repeating the forward feed and the reverse feed as the feed of the welding wire 34. This is to be done, and forward feed and reverse feed are periodically performed to mechanically generate a short-circuit state and an arc state alternately.
- the normal feed and the reverse feed may not be switched periodically, and the normal feed and the reverse feed may be switched according to the state of the welding phenomenon. Specifically, as the feed of the welding wire 34, when the welding wire 34 and the base metal 35 are short-circuited and become a short-circuited state, the welding wire 34 is fed back, and when the short-circuit is opened and the base metal 35 is in an arc state, a normal feeding is performed. is there.
- the setting unit 25 is used to set welding conditions in the arc welding device 10.
- the welding output of the arc welding device 10 is supplied to the welding wire 34 via the welding tip 31. Then, an arc 36 is generated between the welding wire 34 and the base metal 35 by the welding output of the arc welding apparatus 10, and welding is performed.
- the control unit 20 transmits a signal between each part of the arc welding device 10 and a device outside the arc welding device 10.
- each part of the arc welding apparatus 10 is a first switching part 12, a second switching part 15, a welding current detecting part 18, and a welding voltage detecting part 19.
- the devices outside the arc welding device 10 are a wire feeding unit 32 and a setting unit 25.
- the control unit 20 outputs a control signal to the first switching unit 12 and the second switching unit 15 to control the welding output.
- the control unit 20 outputs a control signal to the wire feeding unit 32 to control the wire feeding speed.
- the control unit 20 is composed of a processor and a memory that is electrically connected to the processor and stores programs and information for operating the processor.
- the control unit 20 has a calculation unit 21.
- the calculation unit 21 integrates the electric power supplied to the welding wire 34 within a predetermined period to calculate the integrated electric power value.
- the electric power supplied to the welding wire is calculated based on the product of the welding current and the welding voltage.
- the control unit 20 compares the welding voltage detected by the welding voltage detection unit 19 with a preset threshold voltage. Then, when the welding voltage is equal to or less than the threshold voltage, it is determined that the welding voltage is in a short-circuited state. On the other hand, when the welding voltage exceeds the threshold voltage, it is determined to be in the arc state.
- control of the welding current by the control unit 20 will be described below.
- the control unit 20 reduces the welding current to the initial current by adjusting the output of the first switching unit 12. At this time, the second switching unit 15 is maintained in a conductive state.
- the control unit 20 adjusts the output of the first switching unit 12 so that the welding current increases at a predetermined current increase rate from the time t2 to the time t3.
- the operation of the wire feeding unit 32 is controlled to reverse the welding wire 34.
- the welding wire 34 may be fed back after the short circuit has elapsed and a predetermined time has elapsed (after the short circuit has stabilized).
- the short-circuit opening between the welding wire 34 and the base metal 35 can be promoted.
- the droplet formation on the tip side of the welding wire 34 becomes more stable, and the welding wire The stability of droplet transfer from 34 to the base material 35 is improved.
- constant feeding may be controlled at a predetermined feeding speed without reverse feeding of the welding wire 34.
- the calculation unit 21 integrates the electric power between the time t2 and the time t4 and calculates the integrated electric power value. Specifically, the calculation of the integrated power value is started after the welding current starts to increase after the welding wire 34 is short-circuited. For example, the calculation unit 21 detects an increase in the welding current, receives the increase in the welding current, and starts calculating the integrated power value. Instead of this, for example, the calculation unit 21 detects the passage of time in which the welding current is expected to increase, and in response to this, starts calculating the power integrated value.
- the calculation of the integrated power value may be started after a predetermined time has elapsed from the short circuit of the welding wire 34, for example, after the short circuit has stabilized.
- the calculation of the integrated power value may be started between the time t1 and the time t2.
- the calculation unit 21 may detect the passage of a predetermined time and start calculating the integrated power value in response to the detection.
- the control unit 20 determines whether the integrated power value is larger than the predetermined threshold value P. In the example shown in FIG. 2, the integrated power value is larger than the threshold value P at time t3. When the integrated power value is larger than the predetermined threshold value P, the control unit 20 switches the second switching unit 15 from the conductive state to the cutoff state to reduce the welding current supplied to the welding wire 34.
- the opening of the short circuit between the welding wire 34 and the base metal 35 is detected.
- the control unit 20 adjusts the output of the first switching unit 12 so that the welding current becomes a predetermined current.
- the second switching unit 15 is maintained in a conductive state. Then, at time t4, the short circuit is opened and the state shifts to the arc state.
- the integration of the integrated power value resets the integrated power value when the threshold value P is exceeded in the short-circuit period, and the integration ends. If the integrated power value does not exceed the threshold value P, the integrated power value is reset by the arc determination that determines the arc state, and the integration is completed.
- the welding current is reduced before the short circuit is opened, and the amount of heat input to the welding wire 34 is reduced based on the integrated amount of the electric power supplied to the welding wire 34. I try to do it. As a result, it is possible to suppress the occurrence of spatter when the short circuit is opened.
- the integrated current value shows three peak values of P1, P2, and P3. Therefore, for example, assuming that P1 having the largest integrated current value is set as the threshold value, when the integrated current values are P2 and P3, it is below the threshold value P1. Therefore, the control unit 20 does not reduce the welding current supplied to the welding wire 34 at the time when the integrated current values are P2 and P3.
- the integrated power value is larger than the threshold value P. Therefore, if short-circuit welding is continued without lowering the welding current at the times when the integrated current values P2 and P3 are reached, the amount of heat input when the short-circuit is opened is large and spatter occurs.
- the control unit 20 reduces the welding current at a timing when it is not necessary to reduce the amount of heat input before the time when the integrated current values become P1 and P2. As a result, the amount of heat input varies.
- a plurality of arc welding devices 10 are provided (two in the example shown in FIG. 4).
- the cables on the ground side of the two arc welding devices 10 are connected to one base material 35.
- a plurality of arc welding devices 10 perform welding on a common base material 35 that is electrically conductive or a base material 35 on a common jig (not shown).
- the arc 36 is generated from the two arc welding devices 10 at the same time.
- the welding current at the time of short-circuit opening is reduced based on the integrated value of the electric power supplied to the welding wire 34, that is, the amount of heat input actually applied to the welding wire 34. ing.
- the present invention is extremely useful and has high industrial applicability because it has a highly practical effect of suppressing the occurrence of spatter when the short circuit is opened.
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Abstract
Description
以下、電力積算値の代わりに、溶接電流を積算した電流積算値を用いた場合でも、同様の制御を行うことができるかについて検討した。
図4に示すように、アーク溶接装置10は、複数台設けられている(図4に示す例では2台)。2台のアーク溶接装置10のグランド側のケーブルは、1つの母材35に接続されている。具体的には、電気的に導通している共通の母材35、または共通の冶具(図示せず)上の母材35に対して、複数台のアーク溶接装置10により溶接を行う。これにより、2台のアーク溶接装置10から同時にアーク36を発生させている。
20 制御部
21 算出部
32 ワイヤ送給部
34 溶接ワイヤ
35 母材
Claims (8)
- 溶接ワイヤと母材とが短絡する短絡状態が生じる短絡期間と前記溶接ワイヤと前記母材との間にアークが発生するアーク状態が生じるアーク期間とを交互に繰り返し含むアーク溶接方法であって、
前記溶接ワイヤが短絡した後で、所定の期間内に該溶接ワイヤに供給された電力を積算して電力積算値を算出する工程と、
前記電力積算値が所定の閾値よりも大きい場合に、前記溶接ワイヤに供給する溶接電流を低下させる工程とを備えたアーク溶接方法。 - 請求項1において、
前記電力積算値を算出する工程では、前記溶接ワイヤが短絡してから所定時間が経過した後で、該電力積算値の算出を開始するアーク溶接方法。 - 請求項1又は2において、
前記電力積算値を算出する工程では、前記溶接ワイヤが短絡してから前記溶接電流が上昇し始めた後で、該電力積算値の算出を開始するアーク溶接方法。 - 請求項1乃至3のうち何れか1つにおいて、
前記溶接ワイヤが短絡してから前記溶接電流が上昇し始めた後、又は短絡して所定時間が経過した後で、該溶接ワイヤを逆送する工程を備えたアーク溶接方法。 - 請求項1において、さらに、前記電力積算値が前記所定の閾値よりも大きいかどうかを決定する工程を備え、
前記所定の閾値は、固定値であるアーク溶接方法。 - 溶接ワイヤと母材とが短絡する短絡状態が生じる短絡期間と前記溶接ワイヤと前記母材との間にアークが発生するアーク状態が生じるアーク期間とを交互に繰り返し含む溶接を行うアーク溶接装置であって、
前記溶接ワイヤが短絡した後で、所定の期間内に該溶接ワイヤに供給された電力を積算して電力積算値を算出する算出部と、
前記電力積算値が所定の閾値よりも大きい場合に、前記溶接ワイヤに供給する溶接電流を低下させる制御部とを備えたアーク溶接装置。 - 請求項6に記載のアーク溶接装置を複数備え、
前記複数のアーク溶接装置におけるグランド側のケーブルが、前記母材にそれぞれ接続されているアーク溶接装置。 - 請求項6において、前記制御部は、さらに、前記電力積算値が前記所定の閾値よりも大きいかどうかを決定し、
前記所定の閾値は、固定値であるアーク溶接装置。
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EP20810279.8A EP3974093B1 (en) | 2019-05-22 | 2020-04-24 | Arc welding method and arc welding device |
CN202080036730.0A CN113891772B (zh) | 2019-05-22 | 2020-04-24 | 电弧焊接方法以及电弧焊接装置 |
US17/520,770 US20220055135A1 (en) | 2019-05-22 | 2021-11-08 | Arc welding method and arc welding device |
JP2024078284A JP2024099058A (ja) | 2019-05-22 | 2024-05-13 | アーク溶接方法及びアーク溶接装置 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5970469A (ja) * | 1982-10-14 | 1984-04-20 | Mitsubishi Electric Corp | 直流ア−ク溶接装置 |
JP2006122912A (ja) * | 2004-10-26 | 2006-05-18 | Matsushita Electric Ind Co Ltd | 消耗電極式アーク溶接装置 |
JP4760053B2 (ja) | 2005-02-28 | 2011-08-31 | パナソニック株式会社 | アーク溶接装置の制御方法およびアーク溶接装置 |
JP2013094840A (ja) * | 2011-11-04 | 2013-05-20 | Daihen Corp | 消耗電極アーク溶接のくびれ検出制御方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010214399A (ja) * | 2009-03-16 | 2010-09-30 | Daihen Corp | アーク溶接方法 |
US10040142B2 (en) * | 2013-03-15 | 2018-08-07 | Lincoln Global, Inc. | Variable polarity pulse with constant droplet size |
JP6023991B2 (ja) * | 2014-02-14 | 2016-11-09 | パナソニックIpマネジメント株式会社 | アーク溶接方法 |
EP3357624B1 (en) * | 2015-09-30 | 2020-08-26 | Daihen Corporation | Arc welding device and arc welding method |
-
2020
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- 2020-04-24 CN CN202080036730.0A patent/CN113891772B/zh active Active
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5970469A (ja) * | 1982-10-14 | 1984-04-20 | Mitsubishi Electric Corp | 直流ア−ク溶接装置 |
JP2006122912A (ja) * | 2004-10-26 | 2006-05-18 | Matsushita Electric Ind Co Ltd | 消耗電極式アーク溶接装置 |
JP4760053B2 (ja) | 2005-02-28 | 2011-08-31 | パナソニック株式会社 | アーク溶接装置の制御方法およびアーク溶接装置 |
JP2013094840A (ja) * | 2011-11-04 | 2013-05-20 | Daihen Corp | 消耗電極アーク溶接のくびれ検出制御方法 |
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JP7499433B2 (ja) | 2024-06-14 |
CN113891772A (zh) | 2022-01-04 |
JPWO2020235293A1 (ja) | 2020-11-26 |
EP3974093A1 (en) | 2022-03-30 |
EP3974093A4 (en) | 2022-12-21 |
US20220055135A1 (en) | 2022-02-24 |
CN113891772B (zh) | 2023-10-24 |
EP3974093B1 (en) | 2024-05-29 |
JP2024099058A (ja) | 2024-07-24 |
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