WO2004065054A1 - Arc welder with a built-in gas alternation provision apparatus - Google Patents

Arc welder with a built-in gas alternation provision apparatus Download PDF

Info

Publication number
WO2004065054A1
WO2004065054A1 PCT/KR2004/000100 KR2004000100W WO2004065054A1 WO 2004065054 A1 WO2004065054 A1 WO 2004065054A1 KR 2004000100 W KR2004000100 W KR 2004000100W WO 2004065054 A1 WO2004065054 A1 WO 2004065054A1
Authority
WO
WIPO (PCT)
Prior art keywords
power
gas
alternation
phase
welding
Prior art date
Application number
PCT/KR2004/000100
Other languages
English (en)
French (fr)
Inventor
Woongki Kim
Original Assignee
Kr Precision Co. Ltd
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 Kr Precision Co. Ltd filed Critical Kr Precision Co. Ltd
Publication of WO2004065054A1 publication Critical patent/WO2004065054A1/en

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
    • B23K9/00—Arc welding or cutting
    • B23K9/16—Arc welding or cutting making use of shielding gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B29C45/7331—Heat transfer elements, e.g. heat pipes
    • 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
    • B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
    • B23K9/1006—Power supply
    • 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
    • B23K9/32—Accessories
    • B23K9/325—Devices for supplying or evacuating shielding gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B29C45/7312—Construction of heating or cooling fluid flow channels

Definitions

  • the present invention relates to an arc welder with a built-in gas alternation provision apparatus which supplies alternately the inert gas to a torch and supplies the power for discharging between the torch and the base metal, and more particularly to an arc welder with a built-in gas alternation provision apparatus in which a gas alternation provision apparatus and a welding power supply apparatus are contained together.
  • an arc welding is a method that applies the welding power between an electrode rod of the torch and the welding base metal to generate the arc under ambient of inert gas such as argon, helium or the like, so that welding portion is filled with the melted electrode rod.
  • inert gas such as argon, helium or the like
  • an external gas alternation provision apparatus comprises, as shown in Fig. 1, an inert gas alternation provision apparatus 10 for periodically supplying the different inert gases such as argon, helium or the like alternately to the torch 7 via a gas feeding conduit 43, a core wire feeding device 5 for feeding a wire to the torch 7 via a wire feeding conduit 6, and a welding power supply apparatus 1 for supplying the welding power which generate the arc discharge between the wire of the torch 7 and the base metal 80.
  • an inert gas alternation provision apparatus 10 for periodically supplying the different inert gases such as argon, helium or the like alternately to the torch 7 via a gas feeding conduit 43
  • a core wire feeding device 5 for feeding a wire to the torch 7 via a wire feeding conduit 6
  • a welding power supply apparatus 1 for supplying the welding power which generate the arc discharge between the wire of the torch 7 and the base metal 80.
  • the inert gas alternation provision apparatus 41 is connected to gas barrels 20 30 in which different inert gases are stored, respectively, via gas supply conduits 41, 41 so as to supply different inert gases.
  • the gas barrels 20 30 are provide with gas pressure adjuster 23, 33, respectively, for controlling the pressure of gases to be supplied.
  • the inert gas alternation provision apparatus 41 comprises a gas alternation mixer for discharging two inert gases alternately and a control device (not shown) for controlling the gas supply amount and the gas supply ratio of the gas alternation mixer. As shown in Fig.
  • the gas alternation mixer 160 is provided with solenoids 161, 161' at the left and right periphery of a tube member 167, and gas inlet tube 162, 162' at opposite ends of the tube member 167.
  • the gas alternation mixer 160 is further provided with a gas- switching element 164 which moves within the tube member 167 in an axial direction thereof in response to the magnetic force generated by the solenoid 161.
  • a gas outlet tube 163 is formed vertically at a side of the middle of the tube member 167 to supply gas to the torch 7.
  • the control device comprises a key input unit for setting gas amount, gas alternation provision ratio and the like, a control circuit for outputting the control signal corresponding the gas amount and the gas alternation provision ratio set by the key input unit, a power supply unit for supplying the driving power to the solenoids 161, 161' in response to the control signal output from the control circuit, and a display unit for displaying the state of the inert gas alternation provision apparatus.
  • the welding power supply apparatus 1 generates the DC driving power to be applied between the torch 7 and the base metal 80, and comprises a key input unit for setting the driving power to be applied and a display unit for displaying the state of power at the outside of a case, respectively.
  • FIG. 1 shows a welding system in which an external gas alternation provision apparatus is applied according to the prior art
  • Fig. 2 shows a welding system in which an arc welder with a built-in gas alternation provision apparatus is applied according to the present invention
  • Fig. 3 is a block diagram of the arc welder with a built-in gas alternation provision apparatus according to an embodiment of the present invention
  • Fig. 4 is a block diagram of a shield gas control device shown in Fig. 3; and Fig. 5 shows a detailed constitution of the gas alternation mixer contained in the inert gas alternation provision apparatus shown in Fig. 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Arc Welding Control (AREA)
PCT/KR2004/000100 2003-01-22 2004-01-20 Arc welder with a built-in gas alternation provision apparatus WO2004065054A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2003-0004219 2003-01-22
KR10-2003-0004219A KR100513204B1 (ko) 2003-01-22 2003-01-22 가스 교대 공급 장치 내장형 아크 용접기

Publications (1)

Publication Number Publication Date
WO2004065054A1 true WO2004065054A1 (en) 2004-08-05

Family

ID=32768543

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2004/000100 WO2004065054A1 (en) 2003-01-22 2004-01-20 Arc welder with a built-in gas alternation provision apparatus

Country Status (2)

Country Link
KR (1) KR100513204B1 (ko)
WO (1) WO2004065054A1 (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014072807A1 (en) * 2012-11-09 2014-05-15 Lincoln Global, Inc. System and method providing modulation schemes to affect heat input to a weld
CN113305401A (zh) * 2021-05-31 2021-08-27 中国船舶重工集团公司第七二五研究所 一种交替供气式钛合金窄间隙gtaw用焊接装置及方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS589769A (ja) * 1981-07-10 1983-01-20 Daihen Corp ア−ク溶接方法
JPH04367375A (ja) * 1991-06-14 1992-12-18 Hitachi Zosen Corp 溶接用ロボットにおけるシールドガス分配装置
JPH09314332A (ja) * 1996-05-22 1997-12-09 Ondo Kogyo Kk 溶接方法及び溶接装置
KR20000049668A (ko) * 2000-04-21 2000-08-05 이종환 불활성가스 교대 공급장치와 공급방법
JP2001246471A (ja) * 2000-02-29 2001-09-11 National Institute For Materials Science 消耗電極式ガスシールドアーク溶接方法とその装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS589769A (ja) * 1981-07-10 1983-01-20 Daihen Corp ア−ク溶接方法
JPH04367375A (ja) * 1991-06-14 1992-12-18 Hitachi Zosen Corp 溶接用ロボットにおけるシールドガス分配装置
JPH09314332A (ja) * 1996-05-22 1997-12-09 Ondo Kogyo Kk 溶接方法及び溶接装置
JP2001246471A (ja) * 2000-02-29 2001-09-11 National Institute For Materials Science 消耗電極式ガスシールドアーク溶接方法とその装置
KR20000049668A (ko) * 2000-04-21 2000-08-05 이종환 불활성가스 교대 공급장치와 공급방법

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014072807A1 (en) * 2012-11-09 2014-05-15 Lincoln Global, Inc. System and method providing modulation schemes to affect heat input to a weld
US9073140B2 (en) 2012-11-09 2015-07-07 Lincoln Global, Inc. System and methods providing modulation schemes to affect heat input to a weld
CN113305401A (zh) * 2021-05-31 2021-08-27 中国船舶重工集团公司第七二五研究所 一种交替供气式钛合金窄间隙gtaw用焊接装置及方法
CN113305401B (zh) * 2021-05-31 2022-11-25 中国船舶重工集团公司第七二五研究所 一种交替供气式钛合金窄间隙gtaw用焊接装置及方法

Also Published As

Publication number Publication date
KR100513204B1 (ko) 2005-09-08
KR20040067211A (ko) 2004-07-30

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