KR100333513B1 - Multifunctional gas tungsten arc welding apparatus - Google Patents

Multifunctional gas tungsten arc welding apparatus Download PDF

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Publication number
KR100333513B1
KR100333513B1 KR1019970060870A KR19970060870A KR100333513B1 KR 100333513 B1 KR100333513 B1 KR 100333513B1 KR 1019970060870 A KR1019970060870 A KR 1019970060870A KR 19970060870 A KR19970060870 A KR 19970060870A KR 100333513 B1 KR100333513 B1 KR 100333513B1
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South Korea
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welding
gas
welding torch
sample
specimen
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KR1019970060870A
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Korean (ko)
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KR19990040481A (en
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김기철
김숙환
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주식회사 포스코
재단법인 포항산업과학연구원
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Priority to KR1019970060870A priority Critical patent/KR100333513B1/en
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    • 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
    • B23K9/02—Seam welding; Backing means; Inserts
    • B23K9/0216—Seam profiling, e.g. weaving, multilayer
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding In General (AREA)

Abstract

PURPOSE: A multifunctional gas tungsten arc welding apparatus is provided to improve reliability of the welding part during welding by using the charged gases after charging inert gas of high purity and mixed gas into a subsidiary chamber according to types of a material to be welded. CONSTITUTION: In a multifunctional gas tungsten arc welding apparatus comprising a sample support(70) which is moved side to side inside the body of the welding apparatus installed on a prop(90) and automatically controlled by a stepping motor(71), a sample subsidiary chamber(100) one end part of which is connected to the upper surface of the sample support(70) in a sealed shape, the other end part of which is sealed by a lid(104) installed on the upper surface of the body, and which is vertically movably formed; a vacuum unit(50) for introducing vacuum into the sample subsidiary chamber(100), a protection gas supply unit(10) for supplying protection gas into the sample subsidiary chamber(100), a connecting rod(91) one end part of which is movably coupled to the prop(90) to move the sample subsidiary chamber(100) up and down, and a welding torch which is inserted into the body of the apparatus through a welding torch connection part(60), the apparatus is characterized in that adjusting implement and up down adjusting implement capable of adjusting angle and height of the welding torch are formed on a part of length of the welding torch, and a gas drying filter(20) for removing water and impurities contained in the protection gas is attached to a supply pipe that is connected to the protection gas supply unit(10).

Description

다기능 가스 텅스텐 아크 용접 장치Multifunctional Gas Tungsten Arc Welding Device

본 발명은 가스 텅스텐 아크(GTA) 용접 장치에 관한 것으로, 보다 상세하게는 피용접재의 종류에 따라 보조실에 고순도의 불활성 가스 및 혼합 가스를 충진시켜 사용함으로써 용접시 용접부의 신뢰성을 향상시킨 다기능 가스텅스텐 아크 용접 장치에 관한 것이다.The present invention relates to a gas tungsten arc (GTA) welding device, and more particularly, to a multifunctional gas which improves the reliability of the welded part by welding by filling a secondary chamber with a high purity inert gas and a mixed gas according to the type of welded material. Relates to a tungsten arc welding device.

종래의 용접 장치에서는 용접기 전원으로 교류/직류 겸용 아크 용접기가 가지는 결점을 보완하여 간단한 회로이면서 이상적인 출력 파형을 얻도록 구성하는 것이 대부분이며, 일본 특공고 평1-150472호 에서는 1대의 아크 용접기로 알루미늄을 교류 용접하거나 탄소강이나 스텐레스강을 직류 용접할 수 있는 교류/직류 겸용 용접기가 제안되었다.In the conventional welding apparatus, the welding power supply is mostly configured to compensate for the shortcomings of the AC / DC combined arc welder to obtain a simple circuit and an ideal output waveform. An AC / DC welding machine is proposed which can perform AC welding or direct welding of carbon steel or stainless steel.

하지만, 임펠러(Impeller)와 같은 특수 부품이나 작은 부품의 경우 용접 토치의 크기가 크기 때문에 용접이 불가능할 뿐만 아니라 용접시 보호 가스로 대기를 완전히 차단하기 어려워 용접부에 기공이나 산화피막이 형성되는 문제점이 있었다.However, in the case of special parts or small parts, such as an impeller, welding is not possible because of the large size of the welding torch, and there is a problem in that pores or an oxide film are formed in the welding part because it is difficult to completely block the atmosphere with a protective gas during welding.

또한, 용접시 보호가스로 대기를 완전히 차단하지 않으면 용접부에 균열이 발생하고 용접금속의 취성이나 연신율의 저하하는등 기계적 성질이 열화하여 실제 구조물 제작시 악영향을 미치거나 사용중 붕괴될 위험을 내포하는 문제가 존재하였다.In addition, if the atmosphere is not completely blocked by a protective gas during welding, cracks may occur in the weld zone and the mechanical properties may deteriorate, such as brittleness or elongation of the weld metal. Was present.

본 발명은 상기 설명한 종래 기술의 문제를 해결하기 위하여 이루어진 것으로, 활성이 큰 금속을 용접시 용접부를 대기로부터 차단하여 완전히 보호가스 분위기에서 용접할 수 있도록 한 교류/직류 겸용 다기능 가스 텅스텐 아크(GTA) 용접 장치를 제공하는데 그 목적이 있다.The present invention has been made in order to solve the problems of the prior art described above, the AC / DC combined multi-functional gas tungsten arc (GTA) to allow the welding of a large active metal from the atmosphere to weld completely in a protective gas atmosphere The object is to provide a welding device.

도 1 은 본 발명에 따른 다기능 가스 텅스텐 아크 용접 장치를 개략적으로 도시한 도면,1 schematically shows a multifunctional gas tungsten arc welding device according to the present invention;

도 2 는 도 1 도시 장치를 위에서 본 도면,2 is a view from above of the device shown in FIG. 1;

도 3 은 본 발명의 다기능 가스 텅스텐 아크 용접 장치를 구성하는 용접토치 부분을 도시한 도면이다.3 is a view showing a welding torch portion constituting the multifunctional gas tungsten arc welding device of the present invention.

〈도면의 주요부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>

10:보호가스 공급장치 20:가스건조필터 50:진공장치10: protective gas supply device 20: gas drying filter 50: vacuum device

60:용접토치연결부 70:시편지지대 90:받침대60: welding torch connection 70: specimen support 90: stand

100:시편보조실 104:뚜껑 120:용접토치100: specimen auxiliary room 104: lid 120: welding torch

상기 목적을 달성하기 위한 본 발명에 따른 다기능 가스 텅스텐 아크 용접 장치는, 받침대(90) 위에 설치된 용접 장치 본체 내부에 좌우로 이동가능하고 스테핑 모터(71)에 의해 자동제어되도록 설치된 시편지지대(70)와, 시편지지대(70) 상면에 밀폐된 형태로 일단부가 결합되고 타단부는 본체 상부면(103)에 설치된 뚜껑(104)에 의해 밀봉되며 상하로 이동가능하게 형성된 시편보조실(100)과, 시편보조실(100)에 진공을 도입하기 위한 진공장치(50)와, 시편보조실(100)에 보호가스를 공급하기 위한 보호가스 공급장치(10)와, 시편보조실(100)을 상하로 이동시키도록 받침대(90)에 일단부가 이동가능하게 결합된 연결대(91), 및 용접토치 연결부(60)를 통해 장치 본체 내부에 삽입설치되는 용접토치(120)를 구비하여 이루어지는 것을 특징으로 하는 구성이다.Multifunctional gas tungsten arc welding apparatus according to the present invention for achieving the above object, the specimen support 70 is installed to be movable left and right inside the welding apparatus main body installed on the pedestal 90 and automatically controlled by the stepping motor 71. And a specimen auxiliary chamber 100 having one end coupled in a sealed form to an upper surface of the specimen support 70 and the other end sealed by a lid 104 installed on the upper surface 103 of the body and being movable up and down. The vacuum device 50 for introducing a vacuum into the specimen auxiliary chamber 100, the protective gas supply device 10 for supplying the protective gas to the specimen auxiliary chamber 100, and the specimen auxiliary chamber 100 are placed up and down. It is characterized in that it comprises a connecting table 91, one end of which is movably coupled to the pedestal 90 to move, and a welding torch 120 inserted into the apparatus body through the welding torch connecting portion 60. to be.

또한, 본 발명 장치는 용접 토치(120)의 각도와 높이를 조정할 수 있도록 각도 조정기구(31)와 상하 조정기구(32)를 구비한다.In addition, the apparatus of the present invention includes an angle adjusting mechanism 31 and a vertical adjusting mechanism 32 so that the angle and height of the welding torch 120 can be adjusted.

이하에서는 첨부 도면과 관련하여 본 발명을 상세하게 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

본 발명의 용접장치는 각종 임펠러에 적용가능하게 작은 용접 공간에서도 용접이 가능하도록 용접 토치를 소형화하고 원형의 용접 부재나 직선 용접이 필요한 소재를 원형이나 직선으로 원하는 각도로 분할 용접할 수 있을 뿐만 아니라 소재와 용접 토치의 각도 및 거리를 임의로 조절하여 전자세 용접이 가능하고 항상 일정한 분위기 조건 하에서 용접부 품질의 변화를 최소화하여 용접부의 신뢰성을 향상시킨 점에 특징이 있다.The welding apparatus of the present invention is not only capable of miniaturizing the welding torch to be able to weld even in a small welding space, which can be applied to various impellers, and is capable of dividing a circular welding member or a material requiring straight welding in a circular or straight line at a desired angle. Electron welding is possible by arbitrarily adjusting the angle and distance of material and welding torch, and it is characterized by improving reliability of welded part by minimizing the change of welded quality under constant atmospheric conditions.

또한, 용접 토치의 길이를 소형화하여 각종 임펠러와 같은 정밀 부품을 좁은 작업 공간에서 용이하게 용접할 수 있으며 활성이 커서 산화되기 쉽거나 대기중의 불순가스의 고용한(固溶限)이 큰 소재(Ti,Al,Zr 등)를 용접할 수 있도록 가스 텅스텐 아크 용접시 대기로부터 소재를 완전하게 보호하고 일정한 보호가스 분위기에서 용접할 수 있도록 구성한 점을 특징으로 한다.In addition, by miniaturizing the length of the welding torch, it is possible to easily weld precision parts such as various impellers in a narrow working space, and because of its high activity, it is easy to oxidize or has a large amount of dissolved impurities in the atmosphere. Ti, Al, Zr, etc.) is characterized in that it is configured to completely protect the material from the atmosphere during welding gas tungsten arc and to weld in a constant protective gas atmosphere.

도 1 에는 본 발명의 다기능 가스 텅스텐 아크(GTA) 용접 장치가 개략적으로 도시되어 있는데, 시편(72)의 형상이나 크기에 따라 용접 토치(120)가 상하로 이동할 수 있도록 시편보조실(100)을 구성하며, 시편보조실에는 외부에 설치된 진공 장치(50)로부터 신축가능한 공급관을 통해 진공을 도입할 수 있으며, 또한 보호가스 공급장치(10)로부터 신축가능한 공급관을 통해 보호가스를 도입하도록 구성한다. 각각의 공급관에는 밸브(30,40)를 설치하여 보호가스를 시편보조실에 충진하기 전에 진공 장치(50)로 시편보조실내의 공기를 제거한후 순수한 불활성 가스나 혼합가스를 충진시키고 일정한 분위기 상태로 유지하도록 구성한다.Figure 1 schematically shows a multi-functional gas tungsten arc (GTA) welding device of the present invention, according to the shape or size of the specimen 72, the specimen auxiliary chamber 100 to move the torch 120 up and down In addition, the specimen auxiliary chamber can be introduced into the vacuum through the flexible supply pipe from the vacuum device 50 installed in the outside, it is also configured to introduce the protective gas through the flexible supply pipe from the protective gas supply device (10). Each supply pipe is provided with valves 30 and 40 to remove the air in the specimen auxiliary chamber with the vacuum device 50 before filling the protective gas into the specimen auxiliary chamber, and then fills the pure inert gas or mixed gas with a constant atmosphere. Configure to keep.

보호가스 공급장치(10)로부터 유입되는 보호가스가 시편보조실(100) 내부로 유입시 가스내의 수분이나 불순물을 제거하여 활성이 큰 소재가 불순가스와 반응하여 오염되는 것을 방지하도록 가스건조 필터(20)를 보호가스 공급장치(10)와 시편보조실(100) 사이에 설치한다.When the protective gas flowing from the protective gas supply device 10 flows into the specimen auxiliary chamber 100, the gas drying filter removes moisture or impurities in the gas to prevent contamination of the highly active material by reacting with the impure gas. 20) is installed between the protective gas supply device 10 and the specimen auxiliary chamber (100).

또한, 외체(110)를 주름관 형태로 상하로 이동가능하게 구성하고 외체(110)의 하단부는 시편지지대(70)와 연결기구(80)에 의해 밀폐결합된 시편보조실(100)의 상하 이동을 외부에서 지지하도록 받침대(90)와 시편보조실(100)을 연결하는 연결대(91)를 설치하며, 이 연결대(91)는 정확한 각도로 조정되어 고정될 수 있도록 구성되며 시편지지대(70)와 같이 연동되어 상하로 이동되어 다양한 형상 및 크기의 시편 형상에 대응하도록 구성한다.In addition, the outer body 110 is configured to move up and down in the form of a corrugated pipe, and the lower end of the outer body 110 allows the vertical movement of the specimen auxiliary chamber 100 hermetically coupled by the specimen support 70 and the connection mechanism 80. It installs the connecting table 91 connecting the pedestal 90 and the specimen auxiliary chamber 100 to support from the outside, the connecting table 91 is configured to be adjusted and fixed at the correct angle and as the specimen support 70 It is configured to correspond to specimen shapes of various shapes and sizes by moving up and down in conjunction.

그리고, 본 발명에서 시편지지대(70)가 회전시 시편보조실을 밀폐상태로 하여 분위기 가스를 유지하도록 상하면에 O-링 형태의 실링기구(81.82)를 설치하며, 하면의 실링기구(81)는 적절한 압력하에서 밀착된 상태로 조정될 수 있도록 압축공기로 압력을 조절하도록 구성한다.In the present invention, when the specimen support 70 rotates, the specimen auxiliary chamber is sealed to provide an O-ring-type sealing mechanism 81.82 on the upper and lower surfaces to maintain the atmosphere gas, and the sealing mechanism 81 on the lower surface is It is configured to adjust the pressure with compressed air so that it can be adjusted in close contact under an appropriate pressure.

또한, 시편지지대(70)는 전체적으로 프로그램에 의해 자동제어가능하도록 그 하부에 스테핑 모터(71)를 설치한 구성이며, 받침대(90)의 시편지지대(70)가 설치되는 공간의 양측에 틸팅(Tilting)기구(93)를 설치하여 시편지지대(70)가 좌우로 이동될 수 있도록 구성한다.In addition, the specimen support 70 is a configuration in which a stepping motor 71 is installed at the lower portion thereof so as to be automatically controlled by a program as a whole, and tilting at both sides of the space where the specimen support 70 of the pedestal 90 is installed. By installing the mechanism 93, the specimen support 70 is configured to be moved from side to side.

본 발명에서는 시편(72)을 용이하게 설치,고정할 수 있도록 시편보조실(100)의 상부에 도 1 도시와 같이 뚜껑(104)을 설치하는데, 용접장치 본체의 상면(103)에 시편 삽입부를 형성하고 상면에 고정기구(106)를 통해 뚜껑(104)을 장착하며, 뚜껑(104)과 시편 삽입부는 보조실(100) 상부가 밀폐되도록 O-링(107)을 설치한다. 이러한 뚜껑(104)의 위에서 본 형상이 도 2 에 도시되고 있다.In the present invention, the lid 104 is installed on the upper part of the specimen auxiliary chamber 100 so that the specimen 72 can be easily installed and fixed, as shown in FIG. It forms and mounts the lid 104 through the fixing mechanism 106 on the upper surface, and the O-ring 107 is installed so that the lid 104 and the specimen insertion portion is sealed in the auxiliary chamber 100. The top view of this lid 104 is shown in FIG. 2.

도 1 에 도시한 투명창(101,102)은 시편을 용접시 용접 상태를 관찰하거나 용이하게 제어할 수 있도록 투명한 소재로 형성하는데, 용접장치 본체의 상면(103) 부분도 동일하게 투명 소재로 형성할 수 있다.The transparent windows 101 and 102 illustrated in FIG. 1 are formed of a transparent material so that the welding state can be observed or easily controlled when welding the specimen. The upper surface 103 of the main body of the welding apparatus may be formed of the same transparent material. have.

또한, 본발명에서는 장치 전체의 무게를 최소화하기 위해 주요 프레임을 알루미늄으로 형성할 수 있다.In addition, in the present invention, the main frame may be formed of aluminum to minimize the weight of the entire apparatus.

도 3 에는 도 1 도시 용접 토치의 연결부(60)를 통해 시편보조실(100) 내로 삽입 설치되는 용접 토치의 개략적인 구성이 도시되고 있는데, 연결부(60)를 통해용접재료 공급관(35)이 같이 삽입 설치되며, 단부에 용접 전극(36)을 구비하고 고정기구(33)에 의해 고정된 용접 토치(120)는 각도조정기구(31)와 상하조정기구(32)를 구비하여 시편의 크기 및 형상, 용접 각도에 따라 적절히 대응할 수 있도록 구성한다. 용접토치(120)는 용접재료 공급관(35)과 단부측에서 고정대(34)로 연결되어 용접토치(120)의 조정시 공급관(35)도 같이 조정되는 구조이다.3 shows a schematic configuration of a welding torch inserted into the specimen auxiliary chamber 100 through the connecting portion 60 of the welding torch shown in FIG. 1, and the welding material supply pipe 35 is connected through the connecting portion 60. The welding torch 120, which is inserted and installed, has a welding electrode 36 at its end and is fixed by the fixing mechanism 33, is provided with an angle adjusting mechanism 31 and an up and down adjusting mechanism 32, and thus the size and shape of the specimen. It is comprised so that it may respond suitably according to welding angle. The welding torch 120 is connected to the welding material supply pipe 35 and the end 34 at the end side, so that the adjustment of the welding pipe 120 when the supply pipe 35 is also adjusted.

상기 설명한 바와 같은 본 발명의 다기능 가스 텅스텐 아크 용접장치는, 용접할 시편(72)의 크기나 소재등에 따라 적절하게 시편보조실(100)을 조정하고 시편 보조실(100) 내의 공기를 진공장치(50)에 의해 진공으로 유지하고 보호가스 공급장치(10)로부터 보호가스를 도입하여 보호가스 분위기로 유지한후, 용접토치(120)의 각도 및 높이를 조절하여 용접을 실시함으로써 원형의 용접 부재나 직선 용접이 필요한 소재를 원형이나 직선으로 원하는 각도로 분할 용접할 수 있을 뿐만 아니라 소재와 용접 토치의 각도 및 거리를 임의로 조절하여 전자세 용접이 가능하고 항상 일정한 분위기 조건 하에서 용접부 품질의 변화를 최소화하여 용접부의 신뢰성을 향상시킬 수 있다.The multifunctional gas tungsten arc welding device of the present invention as described above, according to the size, material, etc. of the specimen 72 to be welded, adjusts the specimen auxiliary chamber 100 appropriately, and vacuums the air in the specimen auxiliary chamber 100. 50) to maintain the vacuum and to introduce a protective gas from the protective gas supply device 10 to maintain a protective gas atmosphere, and then by welding by adjusting the angle and height of the welding torch 120, a circular welding member or a straight line It is possible to divide and weld the material that needs to be welded to the desired angle in a circle or a straight line, and to control the angle and distance of the material and the welding torch arbitrarily. Can improve the reliability.

따라서, 상기 설명한 바와 같은 본 발명의 다기능 가스 텅스텐 아크 용접 장치에 의하면, 원형의 용접 부재나 직선 용접이 필요한 소재를 원형이나 직선으로 원하는 각도로 분할 용접할 수 있을 뿐만 아니라 소재와 용접 토치의 각도 및 거리를 임의로 조절하여 전자세 용접이 가능하고 항상 일정한 분위기 조건 하에서 용접부 품질의 변화를 최소화하여 용접부의 신뢰성을 향상시킬 수 있는등 유용한 효과가 얻어진다.Therefore, according to the multifunctional gas tungsten arc welding apparatus of the present invention as described above, the circular welding member or the material requiring straight welding can be divided and welded to the desired angle in a circular or straight line as well as the angle of the material and the welding torch. By controlling the distance arbitrarily, electron fine welding is possible, and it is possible to improve the reliability of the weld by minimizing the change of weld quality under constant atmospheric conditions.

Claims (1)

받침대(90) 위에 설치된 용접 장치 본체 내부에 좌우로 이동가능하고 스테핑 모터(71)에 의해 자동제어되도록 설치된 시편지지대(70)와, 시편지지대(70) 상면에 밀폐된 형태로 일단부가 결합되고 타단부는 본체 상부면(103)에 설치된 뚜껑(104)에 의해 밀봉되며 상하로 이동가능하게 형성된 시편보조실(100)과, 시편보조실(100)에 진공을 도입하기 위한 진공장치(50)와, 시편보조실(100)에 보호가스를 공급하기 위한 보호가스 공급장치(10)와, 시편보조실(100)을 상하로 이동시키도록 받침대(90)에 일단부가 이동가능하게 결합된 연결대(91), 및 용접토치 연결부(60)를 통해 장치 본체 내부에 삽입설치되는 용접토치(120)를 구비하여 이루어진 다기능 가스 텅스텐 아크 용접장치에 있어서,The test piece support 70 and the test piece support 70 installed on the pedestal 90 so as to be movable left and right and automatically controlled by the stepping motor 71 are combined with one end in a closed form on the upper surface of the test piece support 70. An end portion is sealed by a lid 104 installed on the upper surface 103 of the main body, and the specimen auxiliary chamber 100 is formed to be movable up and down, and the vacuum apparatus 50 for introducing a vacuum into the specimen auxiliary chamber 100; , A protective gas supply device 10 for supplying a protective gas to the specimen auxiliary chamber 100, and a connecting table 91 having one end movable on the pedestal 90 so as to move the specimen auxiliary chamber 100 up and down. In the multi-functional gas tungsten arc welding device comprising a welding torch 120 is inserted into the device body through the welding torch connection portion 60, 상기 용접토치(120)의 길이 일부에는 그 각도와 높이를 조정할 수 있는 조정기구(31)와 상하 조정기구(32)가 구비되고,A part of the length of the welding torch 120 is provided with an adjustment mechanism 31 and a vertical adjustment mechanism 32 that can adjust the angle and height, 상기 보호가스 공급장치(10)에 연결된 공급관에는 보호가스에 함유된 수분 및 불순물 제거용 가스 건조필터(20)가 부설되어 구성된 것을 특징으로 하는 다기능 가스 텅스텐 아크 용접장치.Multi-functional gas tungsten arc welding device, characterized in that the supply pipe connected to the protective gas supply device 10 is provided with a gas drying filter 20 for removing moisture and impurities contained in the protective gas.
KR1019970060870A 1997-11-18 1997-11-18 Multifunctional gas tungsten arc welding apparatus KR100333513B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008011450A1 (en) * 2008-02-27 2009-09-10 Messer Group Gmbh Gas-shielded welding device comprises a gas supply, a control unit, a handheld device, gas feed lines, which connect the gas supply, the control unit and the handheld device, and a gas-drying device arranged in an area of the gas feed line

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04123875A (en) * 1990-09-11 1992-04-23 Mitsubishi Electric Corp Narrow mouth vessel welding and assembling method and its equipment

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04123875A (en) * 1990-09-11 1992-04-23 Mitsubishi Electric Corp Narrow mouth vessel welding and assembling method and its equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008011450A1 (en) * 2008-02-27 2009-09-10 Messer Group Gmbh Gas-shielded welding device comprises a gas supply, a control unit, a handheld device, gas feed lines, which connect the gas supply, the control unit and the handheld device, and a gas-drying device arranged in an area of the gas feed line

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