JPH02114171U - - Google Patents
Info
- Publication number
- JPH02114171U JPH02114171U JP2034189U JP2034189U JPH02114171U JP H02114171 U JPH02114171 U JP H02114171U JP 2034189 U JP2034189 U JP 2034189U JP 2034189 U JP2034189 U JP 2034189U JP H02114171 U JPH02114171 U JP H02114171U
- Authority
- JP
- Japan
- Prior art keywords
- current
- arc
- output
- load
- rectified
- 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.)
- Granted
Links
- 238000003466 welding Methods 0.000 claims description 8
- 239000010953 base metal Substances 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Arc Welding Control (AREA)
Description
第１図ないし第４図は本考案の消耗電極式直流
アーク溶接機の１実施例を示し、第１図は全体ブ
ロツク図、第２図はインバータ制御装置の詳細な
ブロツク図、第３図はアークスタート時の溶接電
流の特性図、第４図ａ，ｂはアーク再スタートが
くり返される定常時の溶接電流、溶接電圧の波形
図、第５図は従来の消耗電極式直流アーク溶接機
のブロツク図、第６図は第５図のアークスタート
時の動作説明用の電流波形図である。
４……インバータ装置、５……出力変圧器、６
……主整流器、８……溶接負荷、９……母材、１
１……消耗電極、１８……補助整流器、１８ａ，
１８ｂ……高周波ダイオード、２０……平滑リア
クトル、２１……インバータ制御装置。
Figures 1 to 4 show one embodiment of the consumable electrode type DC arc welding machine of the present invention, with Figure 1 being an overall block diagram, Figure 2 being a detailed block diagram of the inverter control device, and Figure 3 being a detailed block diagram of the inverter control device. Characteristic diagrams of welding current at arc start, Figure 4 a and b are waveform diagrams of welding current and welding voltage during steady state with repeated arc restarts, and Figure 5 shows the waveform diagram of a conventional consumable electrode type DC arc welder. The block diagram in FIG. 6 is a current waveform diagram for explaining the operation at the time of arc start in FIG. 4... Inverter device, 5... Output transformer, 6
...Main rectifier, 8...Welding load, 9...Base metal, 1
1...Consumable electrode, 18...Auxiliary rectifier, 18a,
18b... High frequency diode, 20... Smoothing reactor, 21... Inverter control device.
Claims (1)
側出力をダイオード構成の主整流器で整流し、前
記主整流器の直流出力をアーク安定用のリアクト
ルを介して消耗電極と母材とからなる溶接負荷に
供給し、かつ、前記電極が送給されて前記母材に
接触するアークスタート時に、前記２次側出力を
補助整流器で整流して前記リアクトルと前記負荷
との間に注入し、負荷電流の立上りを改善する消
耗電極式直流アーク溶接機において、 前記補助整流器を高周波ダイオードにより形成
し、かつ、前記アークスタート時の初期に前記イ
ンバータ装置の出力をアーク発生後の電流より小
電流に制限する起動制御手段を備えた消耗電極式
直流アーク溶接機。[Claims for Utility Model Registration] The secondary output of the output transformer connected to the inverter device is rectified by a diode-configured main rectifier, and the DC output of the main rectifier is passed through an arc stabilizing reactor to the consumable electrodes. and a welding load consisting of a base metal, and at the time of arc start when the electrode is fed and comes into contact with the base metal, the secondary side output is rectified by an auxiliary rectifier to connect the reactor and the load. In a consumable electrode type DC arc welding machine that improves the rise of load current by injecting current into A consumable electrode type DC arc welding machine equipped with a startup control means that limits the current to a smaller current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2034189U JPH0451024Y2 (en) | 1989-02-23 | 1989-02-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2034189U JPH0451024Y2 (en) | 1989-02-23 | 1989-02-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02114171U true JPH02114171U (en) | 1990-09-12 |
| JPH0451024Y2 JPH0451024Y2 (en) | 1992-12-01 |
Family
ID=31236628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2034189U Expired JPH0451024Y2 (en) | 1989-02-23 | 1989-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0451024Y2 (en) |
-
1989
- 1989-02-23 JP JP2034189U patent/JPH0451024Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0451024Y2 (en) | 1992-12-01 |
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