JPS57100885A - Method and device for high frequency electro-unite welding - Google Patents
Method and device for high frequency electro-unite weldingInfo
- Publication number
- JPS57100885A JPS57100885A JP17532080A JP17532080A JPS57100885A JP S57100885 A JPS57100885 A JP S57100885A JP 17532080 A JP17532080 A JP 17532080A JP 17532080 A JP17532080 A JP 17532080A JP S57100885 A JPS57100885 A JP S57100885A
- Authority
- JP
- Japan
- Prior art keywords
- welding
- current
- end parts
- short
- unite
- 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
Abstract
PURPOSE: To prevent a short circuit of both welding end parts due to scale, etc., and to execute electro-unite welding completely, by placing a specific induction coil for stopping a short-circuit current when the welding end parts in the upper part of the welding part, in a high frequency electro-unite welding method.
CONSTITUTION: When a long steel pipe is manufactured by moving band steel 10 in the lengthwise direction, forming a roll, butting its both side end parts 10a, and performing the resistance welding by a high frequency current, an induction coil 18 connected in series to a welding load against a welding electric power source is provided on the upper adjacent part of a butt welding part 10b. In this case, the direction of a current iϕ flowing into the coil 18 is set so as to be opposite to a welding current (i). When performing a welding work, even if scale 16 scatters and short-circuits the both side end parts 10a, the short-circuit current is offset by voltage of the opposite direction, which has been induced by the induction coil 18, a welding current supplied to the welding part 10b is bypassed, is not reduced, and an excellent welding finished part 10d is formed.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17532080A JPS57100885A (en) | 1980-12-12 | 1980-12-12 | Method and device for high frequency electro-unite welding |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17532080A JPS57100885A (en) | 1980-12-12 | 1980-12-12 | Method and device for high frequency electro-unite welding |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57100885A true JPS57100885A (en) | 1982-06-23 |
JPS636316B2 JPS636316B2 (en) | 1988-02-09 |
Family
ID=15994017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17532080A Granted JPS57100885A (en) | 1980-12-12 | 1980-12-12 | Method and device for high frequency electro-unite welding |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57100885A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1262671A1 (en) * | 2001-05-28 | 2002-12-04 | Ntn Corporation | Power transmission shaft |
-
1980
- 1980-12-12 JP JP17532080A patent/JPS57100885A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1262671A1 (en) * | 2001-05-28 | 2002-12-04 | Ntn Corporation | Power transmission shaft |
Also Published As
Publication number | Publication date |
---|---|
JPS636316B2 (en) | 1988-02-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS57100885A (en) | Method and device for high frequency electro-unite welding | |
JPS6439222A (en) | Circuit breaker | |
JPS5699079A (en) | Method and device for flash welding | |
DK148788C (en) | ARC WELDING DEVICE | |
JPS5564982A (en) | Metal cylinder welding device | |
JPS5740303A (en) | Controlling device for electric motor vehicle | |
JPS5584274A (en) | Automatic intermittent welding method | |
JPS5448091A (en) | Connecting power cable conductor | |
JPS53116446A (en) | Fault point locator for power transmission line | |
JPS57130787A (en) | Electric resistance welding method | |
JPS5521168A (en) | Circular winding for stationary induction electric machine | |
JPS55156683A (en) | Welding method of ring and its device | |
JPS5440253A (en) | Direct current arc welding machine | |
JPS53114768A (en) | Seam welding method for steel pipe | |
JPS55128370A (en) | Power source for arc welding machine | |
JPS5772783A (en) | Control device for resistance welding machine | |
JPS57129171A (en) | Stopping method for inverter | |
JPS5536017A (en) | Flash welding method | |
JPS5514180A (en) | Arc welder | |
JPS55121162A (en) | Measuring method of iron loss and so on | |
JPS555184A (en) | Arc welder | |
Pis'mennyi | Electrical Calculation of Equipment for a Two-Sided Induction Current Lead for Welding Pipe | |
JPS5615953A (en) | Contact detection circuit | |
JPS5752577A (en) | Resistance welding machine | |
JPS55108721A (en) | Transformer for rectifier |