JPS58125665U - DC arc welding machine - Google Patents
DC arc welding machineInfo
- Publication number
- JPS58125665U JPS58125665U JP2119882U JP2119882U JPS58125665U JP S58125665 U JPS58125665 U JP S58125665U JP 2119882 U JP2119882 U JP 2119882U JP 2119882 U JP2119882 U JP 2119882U JP S58125665 U JPS58125665 U JP S58125665U
- Authority
- JP
- Japan
- Prior art keywords
- welding
- welding machine
- arc welding
- rectifier circuit
- auxiliary
- 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
Landscapes
- Arc Welding Control (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の直流アーク溶接機を示す回路図、第２図
は本考案の１実施例を示す回路図、第３図ａ、 ｂ、
ｃはそれぞれ位相角θを０°、６０°。
９０°に変化させた場合の無負荷時及び負荷時の電圧波
形図、第４図は同実施例の外部特性を示すグラフである
。
１０・・・溶接トランス、１１・・・溶接負荷（母材）
、１２・・・相間リアクトル、１３・・・直流リアクト
ル、１４・・・溶接負荷（溶接トーチ）、１５・・・補
助整流回路、１６・・・スイッチング手段（マグネット
スイッチ）、２０・・・電流制限手段（制限抵抗）、Ｕ
。
Ｖ、 Ｗ、 Ｘ、 Ｙ、 Ｚ・・・溶接トランスの２次
巻線。
未 １４１
． ミｌＮ（１））−Fig. 1 is a circuit diagram showing a conventional DC arc welding machine, Fig. 2 is a circuit diagram showing an embodiment of the present invention, Fig. 3 a, b,
c is the phase angle θ of 0° and 60°, respectively. FIG. 4 is a graph showing the external characteristics of the same embodiment, which is a voltage waveform diagram under no load and under load when the angle is changed to 90°. 10... Welding transformer, 11... Welding load (base metal)
, 12... Interphase reactor, 13... DC reactor, 14... Welding load (welding torch), 15... Auxiliary rectifier circuit, 16... Switching means (magnetic switch), 20... Current Limiting means (limiting resistance), U
. V, W, X, Y, Z...Secondary winding of welding transformer. Not yet 141. MilN(1))-
Claims (1)
多重星形整流回路を形成する直流アーク溶接機において
、溶接トランスの２次側と溶接負荷とを相間リアクトル
を経由せずに接続する補助整流回路を設け、この補助整
流回路に直列に溶接開始時にのみオン動作するスイッチ
ング手段を介挿するとともに、このスイッチング手段に
並列に補助整流回路に流れる電流を制限するための電流
制限手段を設けていることを特徴とする直流アーク溶接
機。In a DC arc welding machine that forms a multiphase multiple star rectifier circuit that uses an interphase reactor on the secondary side of the welding transformer, auxiliary rectification connects the secondary side of the welding transformer and the welding load without going through the interphase reactor. A circuit is provided, and a switching means that is turned on only at the start of welding is inserted in series with this auxiliary rectifier circuit, and a current limiting means is provided in parallel with this switching means to limit the current flowing to the auxiliary rectifier circuit. A DC arc welding machine characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2119882U JPS58125665U (en) | 1982-02-16 | 1982-02-16 | DC arc welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2119882U JPS58125665U (en) | 1982-02-16 | 1982-02-16 | DC arc welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58125665U true JPS58125665U (en) | 1983-08-26 |
Family
ID=30033327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2119882U Pending JPS58125665U (en) | 1982-02-16 | 1982-02-16 | DC arc welding machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58125665U (en) |
-
1982
- 1982-02-16 JP JP2119882U patent/JPS58125665U/en active Pending
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