JPH0360868A - Mechanism for selecting shielding gas of gas shielded arc welding - Google Patents
Mechanism for selecting shielding gas of gas shielded arc weldingInfo
- Publication number
- JPH0360868A JPH0360868A JP19968389A JP19968389A JPH0360868A JP H0360868 A JPH0360868 A JP H0360868A JP 19968389 A JP19968389 A JP 19968389A JP 19968389 A JP19968389 A JP 19968389A JP H0360868 A JPH0360868 A JP H0360868A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- welding
- shielding
- shielding gas
- gases
- 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.)
- Pending
Links
- 238000003466 welding Methods 0.000 title claims abstract description 67
- 239000007789 gas Substances 0.000 abstract description 110
- 238000000034 method Methods 0.000 abstract description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
Landscapes
- Arc Welding In General (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はガスシールドアーク溶接におけるシールドガス
の選択機構に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a shielding gas selection mechanism in gas shielded arc welding.
ガスシールドアーク溶接は代表的なものとして、使用す
るシールドガスにより１種類ガス、２種混合ガス、３種
類以上のガスを混合した多種混合ガスに分けられる。シ
ールドガスの種類と電流に伴うアークの形態と変化は第
３図に示すごとく、混合ガスの種類が増えるほどスパッ
タの発生が少なく、大電流でもアークが安定しているた
め高速溶接が可能である。Gas shielded arc welding is typically classified into one type of gas, two types of mixed gas, and multi-type mixed gas, which is a mixture of three or more types of gas, depending on the shielding gas used. Figure 3 shows the shape and changes of the arc depending on the type of shielding gas and the current.As the type of mixed gas increases, spatter is less likely to occur, and the arc is stable even at high currents, making high-speed welding possible. .
代表的なシールドガスを、コスト、溶接速度および溶接
ビード外観で評価すると表１のごとくになる。Typical shielding gases are evaluated in terms of cost, welding speed, and weld bead appearance as shown in Table 1.
表
１
即ち、ＩＩ類ガスによる溶接は溶接速度、溶接ヒーＦ外
１１Ｑ４；Ｌ劣るが、使用ガスのコストハ安い。Table 1 That is, welding using Class II gas is inferior in welding speed and welding heat F11Q4;L, but the cost of the gas used is low.
一方、多種混合ガスによる溶接は溶接速度、溶接ビード
外観は優れているが、使用ガスコストは高い。On the other hand, welding using a mixed gas has excellent welding speed and weld bead appearance, but the cost of the gas used is high.
従来は、被溶接部品の種類によってシールドガスの種類
を定め、シールドガスの種類毎に溶接設備を設置して溶
接を行って来ており、コストの安価な１種類ガスによる
溶接が主流を占めている。Conventionally, the type of shielding gas was determined depending on the type of parts to be welded, and welding equipment was installed for each type of shielding gas to perform welding, and welding using one type of gas, which is inexpensive, was the mainstream. There is.
上記のごとく、従来はコストの安価な１種類ガスによる
溶接が主流を占めているが、溶接速度が遅いため溶接量
が増大してくると、設備台数の増加ならびに設備設置ス
ペースの拡大という問題が発生してくる。前記問題点の
解決策としては２種混合あるいは多種混合ガスを使用し
て溶接速度を上げる方法があるが、使用ガスのコストが
高いという問題がある。また、被溶接部品の溶接線には
それぞれ最適の溶接品質があるが、従来は１種類のシー
ルドガスを使用して溶接を行っているため最適の溶接品
質を得ることが困難である。As mentioned above, conventionally welding using one type of gas, which is inexpensive, has been the mainstream, but as the welding speed is slow and the amount of welding increases, there are problems such as an increase in the number of equipment and an expansion of equipment installation space. It will occur. As a solution to the above-mentioned problem, there is a method of increasing the welding speed by using a mixture of two types of gas or a mixture of multiple types of gas, but there is a problem that the cost of the gas used is high. Further, each welding line of the parts to be welded has an optimal welding quality, but conventionally welding is performed using one type of shielding gas, so it is difficult to obtain the optimal welding quality.
本発明は上記の問題点に着目してなされたもので、最少
の設備台数でそれぞれの溶接線に最適のシールドガスを
選択し、高品質の溶接を能率よく安価に行えるガスシー
ルドアーク溶接におけるシールドガスの選択機構を提供
することを目的としている。The present invention has been made in view of the above-mentioned problems, and it is possible to select the optimal shielding gas for each welding line with a minimum number of equipment, and to perform high-quality welding efficiently and inexpensively. The purpose is to provide a gas selection mechanism.
上記目的達成のため、本発明に係るガスシールドアーク
溶接におけるシールドガスの選択機構の第１の発明では
、少なくとも２種類以上の異なるガス供給源と、前記ガ
ス供給源よりガスの供給を受けて所定の混合比のシール
ドガスを溶接トーチに供給するガス混合器とから成るこ
とを特徴としており、第２の発明では、少なくとも２種
類以上の異なるシールドガス供給源と、前記シールドガ
ス供給源よりシールドガスの供給を受けて任意のシール
ドガスを選択して溶接トーチに供給するガス切換装置と
、溶接電源に最適溶接条件の信号を送る制御装置とから
成ることを特徴としている。In order to achieve the above object, a first invention of a shielding gas selection mechanism in gas shielded arc welding according to the present invention includes at least two or more different gas supply sources, and a predetermined selection mechanism that receives gas from the gas supply sources. and a gas mixer that supplies shielding gas to the welding torch at a mixing ratio of The present invention is characterized in that it consists of a gas switching device that receives the supply of gas, selects an arbitrary shielding gas, and supplies it to the welding torch, and a control device that sends a signal of optimal welding conditions to the welding power source.
上記構成によれば、第１の発明では２種類以上のガスを
所定の混合比に混合するガス混合器を設け、第２の発明
では２種類以上の異なるシールドガスを選択するガス切
換装置を設けＩ；ため、一つの設備で１種類ガスあるい
は混合ガスを必要に応じて容易に溶接トーチに供給する
ことができる。According to the above configuration, the first invention provides a gas mixer that mixes two or more types of gas at a predetermined mixing ratio, and the second invention provides a gas switching device that selects two or more different shielding gases. Therefore, one type of gas or a mixed gas can be easily supplied to the welding torch as needed using one piece of equipment.
さらに、第２の発明ではガス切換装置に信号を送るとと
もに最適溶接条件を溶接電源に指示する制御装置を設け
たため容易に最適の溶接を行うことができる。Furthermore, in the second aspect of the invention, a control device is provided that sends a signal to the gas switching device and instructs the welding power source about optimal welding conditions, so that optimal welding can be easily performed.
以下に本発明に係るガスシールドアーク溶接におけるシ
ールドガスの選択機構について図面を参照して詳述する
。The shielding gas selection mechanism in gas shielded arc welding according to the present invention will be described in detail below with reference to the drawings.
第１図は本発明の第１の発明の全体構成を示す。FIG. 1 shows the overall configuration of the first aspect of the present invention.
シールドガスを構成するガスの供給源、例えば炭酸ガス
（ＣＯＷ）供給源ｌ、アルゴン（Ａｒ）供給源２．ヘリ
ウム（Ｈｅ）供給源３および図に示さない酸素（Ｏ８）
などのガス供給源は並列に配置されガス混合器４と接続
している。溶接電源２０と、ワイヤ送給装置２１と、溶
接トーチ２２とはそれぞれの機能を満足するように接続
している。A supply source of gas constituting the shielding gas, such as a carbon dioxide gas (COW) supply source 1, an argon (Ar) supply source 2. Helium (He) source 3 and oxygen (O8) not shown
These gas supply sources are arranged in parallel and connected to the gas mixer 4. Welding power source 20, wire feeding device 21, and welding torch 22 are connected so as to satisfy their respective functions.
ガス混合基４と溶接トーチ２２とはシールドガス供給管
５により接続している。The gas mixing group 4 and the welding torch 22 are connected through a shield gas supply pipe 5.
次に作動について説明する。作業者は溶接線に最も適し
たシールドガスの種類を選定しガス混合器４に指示を与
える。ガス混合器４は作業者の指示により所定の混合比
に応じてそれぞれのガス供給源からガスの供給を受けて
必要なシールドガスを混合し、シールドガス供給管５を
通じて溶接トーチ２・２に供給する。Next, the operation will be explained. The operator selects the type of shielding gas most suitable for the welding line and gives instructions to the gas mixer 4. The gas mixer 4 receives gas supplies from each gas supply source according to a predetermined mixing ratio according to instructions from the operator, mixes necessary shielding gas, and supplies the mixture to the welding torches 2 through the shielding gas supply pipe 5. do.
第２図は本発明の第２の発明の全体構成を示す。FIG. 2 shows the overall configuration of the second aspect of the present invention.
シールドガスの供給源、例えば炭酸ガス（Ｃｏｘ）供給
源１１．２ａ混合ガス（Ａｒ＋Ｃｏｘ）供給源１２．３
種混合ガス（Ｔ（ｅ＋Ａｒ＋Ｃｏ、）供給源１３および
図に示さない４種混合ガス（Ｈｅ＋Ａｒ＋Ｇｏ、＋Ｏ，
）などの供給源は並列に配置され、切換レバー１５を有
するガス切換装置１４と接続している。溶接電源２０と
、ワイヤ送給装置２１と、溶接トーチ２２とはそれぞれ
の機能を満足するように接続している。ガス切換装置１
４と溶接トーチ２２とはシールドガス供給管５により接
続している。調整ダイヤル１７を有する制御装置１６は
ガス切換装置１４と、溶接電源２０とにそれぞれ結線さ
れている。Shielding gas supply source, for example carbon dioxide (Cox) supply source 11.2a mixed gas (Ar+Cox) supply source 12.3
Species mixed gas (T(e+Ar+Co,)) supply source 13 and four types of mixed gas (He+Ar+Go, +O,
) are arranged in parallel and connected to a gas switching device 14 having a switching lever 15 . Welding power source 20, wire feeding device 21, and welding torch 22 are connected so as to satisfy their respective functions. Gas switching device 1
4 and the welding torch 22 are connected through a shield gas supply pipe 5. A control device 16 having an adjustment dial 17 is connected to the gas switching device 14 and the welding power source 20, respectively.
次に作動について説明する。作業者は溶接線に最も適し
たシールドガスの種類を選定し、切換レバー１５により
ガス切換装置１４に指示を与える。Next, the operation will be explained. The operator selects the type of shielding gas most suitable for the welding line and gives an instruction to the gas switching device 14 using the switching lever 15.
ガス切換装置１４は指示された種類のガス供給源からシ
ールドガスの供給を受けてガス供給管５を通じて溶接ト
ーチ２２にシールドガスを供給するとともに、制御装置
１６にシールドガスの種類を通知する信号を送る。前記
信号を受けた制御装置１６は前記シールドガスに対応す
る溶接条件を溶接電源２０に指示し溶接トーチ２２に電
力を供給する。前記溶接条件は中央値を中心として幅が
あるので、調整ダイヤル１７により微調整する。The gas switching device 14 receives the shielding gas from the specified type of gas supply source and supplies the shielding gas to the welding torch 22 through the gas supply pipe 5, and also sends a signal to the control device 16 to notify the type of shielding gas. send. Upon receiving the signal, the control device 16 instructs the welding power source 20 about the welding conditions corresponding to the shielding gas, and supplies power to the welding torch 22. Since the welding conditions have a range around the median value, they are finely adjusted using the adjustment dial 17.
以上詳述したごとく、本発明はｗＣｌの発明では並列に
配置した２種類以上のガス供給源から所定の割合のガス
の供給を受けてガス混合器で必要なシールドガスを混合
して溶接トーチにシールドガスを供給するようにしたの
で、一つの設備で複数のシールドガスを得ることができ
る。第２の発明では２種類以上のシールドガス供給源を
並列に配置し、必要なシールドガスをガス切換装置によ
って選択し溶接トーチに供給するようにし、さらに、制
御装置によって、選択したシールドガスに最適な溶接条
件を指示するようにしたため、一つの設備で複数のシー
ルドガスが得られるとともに最適の溶接を行うことがで
き、余分な設備設置スペースも必要とせず、各溶接線に
最適の高品質の溶接を能率よく、安価に行うことのでき
る、ガスシールドアーク溶接におけるシールドガスの選
択機構が得られる。As detailed above, in the wCl invention, a gas is supplied at a predetermined ratio from two or more types of gas supply sources arranged in parallel, and the necessary shielding gas is mixed in a gas mixer and then supplied to a welding torch. Since shielding gas is supplied, a plurality of shielding gases can be obtained with one equipment. In the second invention, two or more types of shielding gas supply sources are arranged in parallel, the necessary shielding gas is selected by a gas switching device and supplied to the welding torch, and furthermore, the control device is configured to select the necessary shielding gas and supply it to the welding torch, which is optimal for the selected shielding gas. Since the welding conditions are specified, multiple shielding gases can be obtained with one equipment, and optimal welding can be performed without requiring extra equipment installation space. A shielding gas selection mechanism in gas shielded arc welding that can perform welding efficiently and at low cost is obtained.
第１図：本発明の第１のシールドガス選択機構の全体構
成図
第２図二本発明の第２のシールドガス選択機構の全体ｔ
Ｉ４戊図
第３図：直径１．２ｍｍの溶接ワイヤでのシールドガス
の種類と電流に伴うアークの形態
と変化を示す図表
１．２．３・ ・ガス供給源
４・ ・ガス混合器
５・・ ・・・・ガス供給管
１１．１２．１３・・シールドガス供給源１／１・ ・
・・・ガス切換装置
５
６
７
０
１
２
・切換レバー
・柳制御装置
・調整ダイヤル
・溶接電源
・ワイヤ送給装置
・溶接トーチFig. 1: Overall configuration diagram of the first shield gas selection mechanism of the present invention Fig. 2 Overall diagram of the second shield gas selection mechanism of the present invention
I4 Diagram Figure 3: Chart showing the type of shielding gas and the shape and change of the arc depending on the current for a welding wire with a diameter of 1.2 mm 1.2.3・・Gas supply source 4・・Gas mixer 5・・ ...Gas supply pipe 11.12.13...Shield gas supply source 1/1...
...Gas switching device 5 6 7 0 1 2 ・Switching lever・Yanagi control device・Adjustment dial・Welding power source・Wire feeding device・Welding torch
Claims (2)
記ガス供給源よりガスの供給を受けて所定の混合比のシ
ールドガスを溶接トーチに供給するガス混合器とから成
ることを特徴とするガスシールドアーク溶接におけるシ
ールドガスの選択機構。(1) A gas characterized by comprising at least two or more different gas supply sources and a gas mixer that receives gas supply from the gas supply sources and supplies shielding gas at a predetermined mixing ratio to the welding torch. Shielding gas selection mechanism in shielded arc welding.
源と、前記シールドガス供給源よりシールドガスの供給
を受けて任意のシールドガスを選択して溶接トーチに供
給するガス切換装置と、溶接電源に最適溶接条件の信号
を送る制御装置とから成ることを特徴とするガスシール
ドアーク溶接におけるシールドガスの選択機構。(2) Optimal for at least two or more different shielding gas supply sources, a gas switching device that receives the supply of shielding gas from the shielding gas supply source, selects an arbitrary shielding gas, and supplies it to the welding torch, and a welding power source. A shielding gas selection mechanism in gas shielded arc welding, characterized by comprising a control device that sends signals of welding conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19968389A JPH0360868A (en) | 1989-07-31 | 1989-07-31 | Mechanism for selecting shielding gas of gas shielded arc welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19968389A JPH0360868A (en) | 1989-07-31 | 1989-07-31 | Mechanism for selecting shielding gas of gas shielded arc welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0360868A true JPH0360868A (en) | 1991-03-15 |
Family
ID=16411875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19968389A Pending JPH0360868A (en) | 1989-07-31 | 1989-07-31 | Mechanism for selecting shielding gas of gas shielded arc welding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0360868A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0528565U (en) * | 1991-09-27 | 1993-04-16 | 富士重工業株式会社 | Robotic gas shield metal arc welding equipment |
| JPH09201674A (en) * | 1996-01-22 | 1997-08-05 | Ondo Kogyo Kk | Welding method and equipment |
| KR100450493B1 (en) * | 2001-10-29 | 2004-10-01 | 정창규 | Torch device for gas flame brazing |
| EP1607168A1 (en) * | 2004-04-29 | 2005-12-21 | Linde Aktiengesellschaft | Shield gas distribution system for arc welding |
| EP2898983A1 (en) * | 2014-01-24 | 2015-07-29 | Linde Aktiengesellschaft | Gas assisted laser cutting method and gas supply |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS571350A (en) * | 1980-06-05 | 1982-01-06 | Matsushita Electric Ind Co Ltd | Low-frequency treating appliance |
| JPS5917511U (en) * | 1982-07-23 | 1984-02-02 | 昭和電線電纜株式会社 | Fluorescent lamp holding device |
-
1989
- 1989-07-31 JP JP19968389A patent/JPH0360868A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS571350A (en) * | 1980-06-05 | 1982-01-06 | Matsushita Electric Ind Co Ltd | Low-frequency treating appliance |
| JPS5917511U (en) * | 1982-07-23 | 1984-02-02 | 昭和電線電纜株式会社 | Fluorescent lamp holding device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0528565U (en) * | 1991-09-27 | 1993-04-16 | 富士重工業株式会社 | Robotic gas shield metal arc welding equipment |
| JPH09201674A (en) * | 1996-01-22 | 1997-08-05 | Ondo Kogyo Kk | Welding method and equipment |
| KR100450493B1 (en) * | 2001-10-29 | 2004-10-01 | 정창규 | Torch device for gas flame brazing |
| EP1607168A1 (en) * | 2004-04-29 | 2005-12-21 | Linde Aktiengesellschaft | Shield gas distribution system for arc welding |
| US7388170B2 (en) | 2004-04-29 | 2008-06-17 | Linde Aktiengesellschaft | Preparing a protective gas mixture for arc joining |
| EP2898983A1 (en) * | 2014-01-24 | 2015-07-29 | Linde Aktiengesellschaft | Gas assisted laser cutting method and gas supply |
| CN104801855A (en) * | 2014-01-24 | 2015-07-29 | 林德股份公司 | Gas assisted laser cutting method and gas supply |
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