JP2000202629A - Semi-automatic welding method and semi-automatic welding machine used for the method - Google Patents
Semi-automatic welding method and semi-automatic welding machine used for the methodInfo
- Publication number
- JP2000202629A JP2000202629A JP11010937A JP1093799A JP2000202629A JP 2000202629 A JP2000202629 A JP 2000202629A JP 11010937 A JP11010937 A JP 11010937A JP 1093799 A JP1093799 A JP 1093799A JP 2000202629 A JP2000202629 A JP 2000202629A
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- welding
- tip
- welding wire
- wire
- feeding
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、溶接ワイヤを溶接
トーチへ連続的に送給しながら溶接を行う半自動溶接法
及びそれに用いる半自動溶接機に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a semi-automatic welding method for performing welding while continuously feeding a welding wire to a welding torch, and a semi-automatic welding machine used therefor.
【０００２】[0002]
【従来の技術】半自動溶接に関する技術については、例
えば実開昭６４−４９３７１号公報に開示されているも
のが公知である。この技術では、溶接速度やワークの板
厚などに応じた溶接ワイヤの送給速度及びアーク電圧を
得るようにした溶接機の出力条件設定装置を備えてい
る。またこの装置は、溶接姿勢選択器と、選択された溶
接姿勢に応じてアーク電圧を補正する電圧補正回路とを
内蔵し、溶接姿勢に対応した適正条件を出力するように
なっている。2. Description of the Related Art As a technique relating to semi-automatic welding, for example, a technique disclosed in Japanese Utility Model Laid-Open Publication No. 64-49371 is known. This technique includes a welding machine output condition setting device that obtains a welding wire feeding speed and an arc voltage according to a welding speed, a work plate thickness, and the like. This device has a built-in welding position selector and a voltage correction circuit that corrects the arc voltage according to the selected welding position, and outputs appropriate conditions corresponding to the welding position.
【０００３】ところで半自動溶接を開始する際の作業性
は、溶接トーチの溶接チップから突き出ている溶接ワイ
ヤの長さに大きく左右される。この溶接ワイヤの長さ
は、前回の溶接終了時における個々の条件（溶接トーチ
とワークとの距離や角度、あるいはワイヤ送給装置での
送り出しの慣性など）によって決まる。[0003] The workability at the start of semi-automatic welding largely depends on the length of a welding wire protruding from a welding tip of a welding torch. The length of the welding wire is determined by individual conditions at the end of the previous welding (distance and angle between the welding torch and the work, inertia of feeding by the wire feeding device, and the like).
【０００４】[0004]
【発明が解決しようとする課題】溶接開始時において溶
接トーチの溶接チップからの溶接ワイヤの突き出し量は
一般に12〜15mmが最適とされているが、現状では10〜30
mmのばらつきがある。そしてこの溶接ワイヤの突き出し
量が長すぎると、溶接の開始ポイントを狙うのが困難と
なり、かつ溶接電流の不足を招く。これに対して突き出
し量が短すぎると溶接ワイヤの先端が溶接チップの死角
に入って作業者から見えにくくなるとともに、過電流に
よってワークを溶かしてしまう場合がある。At the start of welding, the amount of protrusion of the welding wire from the welding tip of the welding torch is generally optimized to be 12 to 15 mm, but at present it is 10 to 30 mm.
There is variation of mm. If the amount of protrusion of the welding wire is too long, it becomes difficult to aim at the starting point of welding, and a shortage of welding current is caused. On the other hand, if the amount of protrusion is too short, the tip of the welding wire enters the blind spot of the welding tip, making it difficult for an operator to see, and the overcurrent may melt the work.
【０００５】本発明は前記課題を解決しようとするもの
で、その目的は、溶接の開始前に溶接チップからの溶接
ワイヤの突き出し量をほぼ一定に保つことにより、溶接
ワイヤの突き出し量の長短に伴う不具合を解消して溶接
開始時の作業性を向上させることである。An object of the present invention is to solve the above-mentioned problem, and an object of the present invention is to keep the amount of protrusion of a welding wire from a welding tip substantially constant before starting welding, thereby reducing the amount of protrusion of the welding wire. It is to improve the workability at the start of welding by eliminating the accompanying problems.
【０００６】[0006]
【課題を解決するための手段】本発明は前記目的を達成
するためのもので、請求項１記載の発明は、溶接ワイヤ
を送給装置によって溶接トーチへ連続的に送給しながら
溶接を行う半自動溶接法であって、溶接開始に先立って
溶接ワイヤを逆送させて前記溶接トーチの溶接チップか
ら出ている溶接ワイヤを、その先端が基準位置に達する
まで溶接チップ側に引き込んだ後、溶接ワイヤの送給を
開始する。そして溶接チップからの溶接ワイヤの突き出
し量が溶接開始に適した寸法に達した時点で溶接ワイヤ
の送給を一旦停止することを特徴とする。SUMMARY OF THE INVENTION The present invention has been made to achieve the above object, and the invention according to claim 1 performs welding while continuously feeding a welding wire to a welding torch by a feeding device. A semi-automatic welding method, in which the welding wire coming out of the welding tip of the welding torch is drawn back to the welding tip side until the tip reaches a reference position by reversely feeding the welding wire prior to the start of welding. Start feeding the wire. Then, when the amount of protrusion of the welding wire from the welding tip reaches a size suitable for starting welding, the feeding of the welding wire is temporarily stopped.
【０００７】このように溶接開始前に、溶接チップから
の溶接ワイヤの突き出し量を溶接開始に適した寸法とす
ることにより、溶接ワイヤの突き出し量が長すぎたり短
すぎたりすることに伴う各種の不具合が解消され、溶接
作業を誰でも容易に開始することができる。As described above, by setting the amount of protrusion of the welding wire from the welding tip to a size suitable for starting welding before the start of welding, various types of protrusions caused by the amount of protrusion of the welding wire being too long or too short. The defect is eliminated, and anyone can start the welding work easily.
【０００８】請求項２記載の発明は、請求項１記載の半
自動溶接法であって、前記の基準位置は前回の溶接終了
時に溶接ワイヤの先端に生じている球状部が溶接チップ
の端面に当たった位置としていることを特徴とする。こ
れによって、溶接ワイヤを溶接チップ側に引き込んだ状
態が常にほぼ一定となり、その状態を溶接ワイヤ先端の
基準位置として得られる溶接ワイヤの前記突き出し量も
常に溶接開始に適した寸法となる。According to a second aspect of the present invention, there is provided the semi-automatic welding method according to the first aspect, wherein the reference position is such that a spherical portion formed at the tip of the welding wire at the end of the previous welding hits the end face of the welding tip. Characterized in that the position is As a result, the state in which the welding wire is pulled into the welding tip side is always substantially constant, and the amount of protrusion of the welding wire obtained based on this state as the reference position of the tip of the welding wire is always a size suitable for starting welding.
【０００９】請求項３記載の発明は、請求項１記載の半
自動溶接法に用いる溶接機であって、溶接チップ及びス
タートスイッチを備えた溶接トーチと、この溶接トーチ
に対する溶接ワイヤの送給及びその逆送が可能な送給装
置と、溶接に必要なアーク電圧を設定する変圧器と、溶
接に必要な各種制御を行う制御装置とを備えている。そ
してこの制御装置は、前記スタートスイッチからの最初
の信号に基づいて溶接ワイヤを逆送させるように前記送
給装置を作動させるとともに、溶接ワイヤをその先端が
基準位置に達するまで溶接チップ側に引き込んだときの
送給装置に加わる負荷を検出して送給装置を溶接ワイヤ
の送給に切り替え、かつ溶接チップからの溶接ワイヤの
突き出し量が所定の寸法に達した時点で送給装置を停止
するように設定されている。この構成によれば、溶接開
始に際して前記溶接トーチのスタートスイッチを操作す
ることで、請求項１記載の発明における半自動溶接法が
実現される。According to a third aspect of the present invention, there is provided a welding machine for use in the semi-automatic welding method according to the first aspect, wherein the welding torch is provided with a welding tip and a start switch; It has a feeding device capable of reverse feeding, a transformer for setting an arc voltage required for welding, and a control device for performing various controls required for welding. Then, the control device operates the feeding device to reversely feed the welding wire based on the first signal from the start switch, and draws the welding wire toward the welding tip until the tip reaches the reference position. The load applied to the feeding device at that time is detected, the feeding device is switched to the feeding of the welding wire, and the feeding device is stopped when the amount of protrusion of the welding wire from the welding tip reaches a predetermined size. It is set as follows. According to this configuration, the semi-automatic welding method according to the first aspect of the present invention is realized by operating the start switch of the welding torch at the start of welding.
【００１０】請求項４記載の発明は、請求項３記載の半
自動溶接機であって、溶接ワイヤを溶接チップ側に引き
込んだときの送給装置に加わる負荷は、前回の溶接終了
時に溶接ワイヤの先端に生じている球状部が溶接チップ
の端面に当たったときの溶接ワイヤの逆送に対する阻止
力を利用している。これにより、特殊な検出器などを用
いることなく、溶接ワイヤの先端が基準位置に達したこ
とを正確に検出できる。According to a fourth aspect of the present invention, there is provided the semi-automatic welding machine according to the third aspect, wherein the load applied to the feeding device when the welding wire is drawn into the welding tip side is the same as that of the welding wire at the end of the previous welding. The blocking force against the backward feeding of the welding wire when the spherical portion generated at the tip hits the end face of the welding tip is used. This makes it possible to accurately detect that the tip of the welding wire has reached the reference position without using a special detector or the like.
【００１１】[0011]
【発明の実施の形態】以下、本発明の実施の形態を説明
する。図１は半自動溶接機のシステム全体を表した斜視
図、図２は溶接トーチ１０を拡大して表した斜視図であ
る。この半自動溶接機は、図１で明らかなように大別し
て溶接トーチ１０、溶接ワイヤの送給装置２０及び制御
ボックス３０によって構成されている。また図２で示す
ように溶接トーチ１０は、そのグリップ１２から延びる
先端部に溶接チップ１４を備え、かつグリップ１２の部
分にはスタートスイッチ１６が設けられている。Embodiments of the present invention will be described below. FIG. 1 is a perspective view showing the entire system of the semi-automatic welding machine, and FIG. 2 is a perspective view showing a welding torch 10 in an enlarged manner. This semi-automatic welding machine is roughly composed of a welding torch 10, a welding wire feeding device 20, and a control box 30, as is apparent from FIG. As shown in FIG. 2, the welding torch 10 includes a welding tip 14 at a tip end extending from the grip 12, and a start switch 16 is provided at the grip 12.
【００１２】図１で示すように溶接トーチ１０と送給装
置２０とは、溶接ワイヤ２６を供給するためのフレキシ
ブルな送給ケーブル２４によって接続されている。この
送給装置２０は、そのドラム２２に巻かれている溶接ワ
イヤ２６を溶接トーチ１０に連続的に送給でき、あるい
は逆に溶接ワイヤ２６を送給装置２０に向けて逆送でき
る構成となっている。一方、前記制御ボックス３０には
変圧器と制御装置とが内蔵されており、これらは溶接ト
ーチ１０及び送給装置２０に対してそれぞれ電気的に接
続されている。そして変圧器は溶接に必要なアーク電圧
を設定可能で、制御装置は溶接に必要な各種制御が可能
である。As shown in FIG. 1, the welding torch 10 and the feeding device 20 are connected by a flexible feeding cable 24 for feeding a welding wire 26. The feeding device 20 can continuously feed the welding wire 26 wound around the drum 22 to the welding torch 10, or can reversely feed the welding wire 26 toward the feeding device 20. ing. On the other hand, a transformer and a control device are built in the control box 30, and these are electrically connected to the welding torch 10 and the feeding device 20, respectively. The transformer can set the arc voltage required for welding, and the control device can perform various controls required for welding.
【００１３】溶接作業は、作業者が溶接トーチ１０を手
でもって前記スタートスイッチ１６をオンにすると、そ
の信号に基づいて制御ボックス３０の変圧器及び制御装
置がオンになる。この制御装置からの電気信号により、
送給装置２０が溶接ワイヤ２６を例えば送給し始めて溶
接トーチ１０における溶接チップ１４の先端から溶接ワ
イヤ２６が連続的に押し出される。図１に示されている
ワーク４０と溶接チップ１４から出ている溶接ワイヤ２
６との間には、前記変圧器で設定されるアーク電圧がか
かっているので、溶接ワイヤ２６の先端がワーク４０に
接触することで溶接が開始される。In the welding operation, when the operator turns on the start switch 16 with the welding torch 10 by hand, the transformer and the control device of the control box 30 are turned on based on the signal. By the electric signal from this control device,
When the feeding device 20 starts feeding the welding wire 26, for example, the welding wire 26 is continuously extruded from the tip of the welding tip 14 in the welding torch 10. The welding wire 2 emerging from the workpiece 40 and the welding tip 14 shown in FIG.
Since an arc voltage set by the transformer is applied between the welding wire 6 and the workpiece 6, the welding starts when the tip of the welding wire 26 comes into contact with the workpiece 40.
【００１４】さて溶接開始時の作業性は、溶接チップ１
４から突き出ている溶接ワイヤ２６の長さに大きく左右
され、かつ前回の溶接終了時の状況次第で長さにばらつ
きがあるのは前述のとおりである。そこで溶接開始前に
溶接チップ１４から突き出している溶接ワイヤ２６の長
さを一定にするために、本実施の形態では以下のように
制御される。The workability at the start of welding depends on the welding tip 1
As described above, the length largely depends on the length of the welding wire 26 protruding from the welding wire 4 and depends on the situation at the end of the previous welding. Therefore, in order to keep the length of the welding wire 26 protruding from the welding tip 14 before the start of welding, the present embodiment performs the following control.
【００１５】図３（Ａ）に前回の溶接終了時における溶
接チップ１４の先端から突き出ている溶接ワイヤ２６の
状態が示されている。この溶接ワイヤ２６の先端には、
溶接時の燃え上がりによって球状部２８が生じている。
そしてこのときの溶接チップ１４からの溶接ワイヤ２６
の突き出し量Ｌは、一般に10〜30mmといったばらつきが
ある。溶接開始に際して溶接トーチ１０のスタートスイ
ッチ１６が前記のようにオンされると、その信号に基づ
いて送給装置２０が溶接ワイヤ２６を逆送させるように
前記制御装置によって制御される。FIG. 3A shows the state of the welding wire 26 projecting from the tip of the welding tip 14 at the end of the previous welding. At the tip of this welding wire 26,
The spherical portion 28 is generated by the burning during welding.
And the welding wire 26 from the welding tip 14 at this time
Generally has a variation of 10 to 30 mm. When the start switch 16 of the welding torch 10 is turned on as described above at the start of welding, the control device controls the feed device 20 to reverse the welding wire 26 based on the signal.
【００１６】したがって溶接チップ１４の先端から突き
出ている溶接ワイヤ２６は溶接チップ１４の中に引き込
まれ、図３（Ｂ）で示すように前記球状部２８が溶接チ
ップ１４の端面に当たる。これにより、溶接ワイヤ２６
の逆送に対する抵抗力（阻止力）が高まり、送給装置２
０のモーターの負荷が増大する。このモーター負荷の検
出信号に基づき、前記制御装置によって送給装置２０が
溶接ワイヤ２６の逆送から送給に切り替えられる。Therefore, the welding wire 26 protruding from the tip of the welding tip 14 is drawn into the welding tip 14, and the spherical portion 28 hits the end face of the welding tip 14 as shown in FIG. Thereby, the welding wire 26
The resistance (stopping force) against the reverse feeding of
0 motor load increases. Based on the motor load detection signal, the control device switches the feeding device 20 from the reverse feeding of the welding wire 26 to the feeding.
【００１７】前記のように溶接ワイヤ２６の球状部２８
が溶接チップ１４の端面に当たった状態をワイヤ先端の
「基準位置」とすると、この「基準位置」から溶接ワイ
ヤ２６の送給が開始されることとなる。そして送給装置
２０を一定時間作動させ、タイムアップ信号に基づき、
制御装置によって送給装置２０の作動を一旦停止させ
る。これによって図３（Ｃ）で示すように溶接ワイヤ２
６が溶接チップ１４の先端から所定の寸法だけ突き出し
た状態が得られる。As described above, the spherical portion 28 of the welding wire 26
Assuming that a state in which the wire contacts the end face of the welding tip 14 is a “reference position” of the wire tip, the feeding of the welding wire 26 is started from the “reference position”. Then, the feeding device 20 is operated for a predetermined time, and based on the time-up signal,
The operation of the feeding device 20 is temporarily stopped by the control device. As a result, as shown in FIG.
6 can be obtained from the tip of the welding tip 14 by a predetermined dimension.
【００１８】つまり前記の「基準位置」は、球状部２８
を無視すれば溶接チップ１４からの溶接ワイヤ２６の突
き出し量がほぼゼロと見なすことができ、そこで送給装
置２０の送給開始から停止までの時間を適宜に設定すれ
ば、溶接チップ１４からの溶接ワイヤ２６の突き出し量
を溶接開始に適した寸法（12〜15mm）にすることができ
る。これまで、図３（Ａ）で示す突き出し量Ｌが大きい
場合は工具によって溶接ワイヤ２６の先端を切断し、逆
に短い場合は作業者の感による長さ分だけ溶接ワイヤ２
６を送給装置２０によって送り出していたが、本実施に
形態ではこのような作業が不要となる。That is, the above-mentioned “reference position” corresponds to the spherical portion 28.
Is negligible, the amount of protrusion of the welding wire 26 from the welding tip 14 can be considered to be almost zero. Therefore, if the time from the start of feeding to the stop of the feeding device 20 is appropriately set, the The protrusion amount of the welding wire 26 can be set to a size (12 to 15 mm) suitable for starting welding. Until now, when the protrusion amount L shown in FIG. 3 (A) is large, the tip of the welding wire 26 is cut by a tool, and conversely, when the protrusion amount L is short, the welding wire 2 has a length corresponding to the sense of the operator.
6 has been sent out by the feeding device 20, but in the present embodiment, such a work becomes unnecessary.
【００１９】なお図３（Ｃ）で示す溶接ワイヤ２６の突
き出し量を得るための手段は、前記の時間設定に代え、
例えば送給装置２０において溶接ワイヤ２６の送給量を
検出し、所定量に達したら送給装置２０を停止させるよ
うにしてもよい。The means for obtaining the amount of protrusion of the welding wire 26 shown in FIG.
For example, the feeding amount of the welding wire 26 may be detected by the feeding device 20, and the feeding device 20 may be stopped when a predetermined amount is reached.
【図１】半自動溶接機のシステム全体を表した斜視図。FIG. 1 is a perspective view showing an entire system of a semi-automatic welding machine.
【図２】溶接トーチを拡大して表した斜視図。FIG. 2 is an enlarged perspective view of a welding torch.
【図３】溶接開始前の溶接ワイヤの作動状態を表した説
明図。FIG. 3 is an explanatory diagram showing an operation state of a welding wire before starting welding.
１０ 溶接トーチ １４ 溶接チップ １６ スタートスイッチ ２０ 送給装置 ２６ 溶接ワイヤ Reference Signs List 10 welding torch 14 welding tip 16 start switch 20 feeding device 26 welding wire
Claims (4)
チへ連続的に送給しながら溶接を行う半自動溶接法であ
って、 溶接開始に先立って溶接ワイヤを逆送させて前記溶接ト
ーチの溶接チップから出ている溶接ワイヤを、その先端
が基準位置に達するまで溶接チップ側に引き込んだ後、
溶接ワイヤの送給を開始し、溶接チップからの溶接ワイ
ヤの突き出し量が溶接開始に適した寸法に達した時点で
溶接ワイヤの送給を一旦停止することを特徴とした半自
動溶接法。1. A semi-automatic welding method for performing welding while continuously feeding a welding wire to a welding torch by a feeding device, wherein the welding wire is reversely fed prior to the start of welding, and a welding tip of the welding torch is provided. After pulling the welding wire coming out from the welding tip side until the tip reaches the reference position,
A semi-automatic welding method characterized in that the feeding of the welding wire is started, and the feeding of the welding wire is temporarily stopped when the amount of protrusion of the welding wire from the welding tip reaches a dimension suitable for starting the welding.
に生じている球状部が溶接チップの端面に当たった位置
としていることを特徴とした半自動溶接法。2. The semi-automatic welding method according to claim 1, wherein the reference position is a position where a spherical portion generated at the tip of the welding wire at the end of the previous welding hits the end face of the welding tip. Features a semi-automatic welding method.
接機であって、 溶接チップ及びスタートスイッチを備えた溶接トーチ
と、この溶接トーチに対する溶接ワイヤの送給及びその
逆送が可能な送給装置と、溶接に必要なアーク電圧を設
定する変圧器と、溶接に必要な各種制御を行う制御装置
とを備え、この制御装置は、前記スタートスイッチから
の最初の信号に基づいて溶接ワイヤを逆送させるように
前記送給装置を作動させるとともに、溶接ワイヤをその
先端が基準位置に達するまで溶接チップ側に引き込んだ
ときの送給装置に加わる負荷を検出して送給装置を溶接
ワイヤの送給に切り替え、かつ溶接チップからの溶接ワ
イヤの突き出し量が所定の寸法に達した時点で送給装置
を停止するように設定されている半自動溶接機。3. A welding machine for use in the semi-automatic welding method according to claim 1, wherein the welding torch includes a welding tip and a start switch, and a feeder capable of feeding a welding wire to the welding torch and a reverse feed thereof. A power supply device, a transformer for setting an arc voltage required for welding, and a control device for performing various controls required for welding, the control device controls a welding wire based on a first signal from the start switch. The feed device is operated so that the feed device is reversely fed, and the load applied to the feed device when the welding wire is pulled toward the welding tip until the tip thereof reaches the reference position is detected, and the feed device is connected to the welding wire. A semi-automatic welding machine configured to switch to feeding and to stop the feeding device when the amount of protrusion of a welding wire from a welding tip reaches a predetermined size.
に加わる負荷は、前回の溶接終了時に溶接ワイヤの先端
に生じている球状部が溶接チップの端面に当たったとき
の溶接ワイヤの逆送に対する阻止力を利用している半自
動溶接機。4. The semi-automatic welding machine according to claim 3, wherein the load applied to the feeding device when the welding wire is drawn into the welding tip side is spherical at the tip of the welding wire at the end of the previous welding. A semi-automatic welding machine that uses a blocking force against back-feeding of a welding wire when a part hits an end face of a welding tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11010937A JP2000202629A (en) | 1999-01-19 | 1999-01-19 | Semi-automatic welding method and semi-automatic welding machine used for the method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11010937A JP2000202629A (en) | 1999-01-19 | 1999-01-19 | Semi-automatic welding method and semi-automatic welding machine used for the method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000202629A true JP2000202629A (en) | 2000-07-25 |
Family
ID=11764146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11010937A Pending JP2000202629A (en) | 1999-01-19 | 1999-01-19 | Semi-automatic welding method and semi-automatic welding machine used for the method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000202629A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103370161A (en) * | 2010-12-14 | 2013-10-23 | 林肯环球股份有限公司 | Manual welding methods for providing an automatic wire retract method for a manual welding apparatus |
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| JP2015016492A (en) * | 2013-07-11 | 2015-01-29 | 株式会社ダイヘン | Arc-welding method and welding device |
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-
1999
- 1999-01-19 JP JP11010937A patent/JP2000202629A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103370161A (en) * | 2010-12-14 | 2013-10-23 | 林肯环球股份有限公司 | Manual welding methods for providing an automatic wire retract method for a manual welding apparatus |
| JP2013545620A (en) * | 2010-12-14 | 2013-12-26 | リンカーン グローバル，インコーポレイテッド | Manual welding method for providing an automatic wire drawing method to a manual welding apparatus |
| US9498839B2 (en) | 2010-12-14 | 2016-11-22 | Lincoln Global, Inc. | Welding apparatus with automated welding wire retraction |
| US9821400B2 (en) | 2010-12-14 | 2017-11-21 | Lincoln Global, Inc. | Manual welding apparatus having an automatic wire retract method |
| US10562124B2 (en) | 2010-12-14 | 2020-02-18 | Lincoln Global, Inc. | Welding apparatus with automated welding retraction |
| US11198191B2 (en) | 2010-12-14 | 2021-12-14 | Lincoln Global, Inc. | Manual welding apparatus having an automatic wire retract method |
| CN104220204A (en) * | 2012-02-10 | 2014-12-17 | 林肯环球股份有限公司 | Welding apparatus with automated welding wire retraction |
| CN104220204B (en) * | 2012-02-10 | 2018-04-24 | 林肯环球股份有限公司 | The welding equipment retracted with automatic welding wire |
| JP2015016492A (en) * | 2013-07-11 | 2015-01-29 | 株式会社ダイヘン | Arc-welding method and welding device |
| US10500671B2 (en) | 2017-04-06 | 2019-12-10 | Lincoln Global, Inc. | System and method for arc welding and wire manipulation control |
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