JPH0241399B2 - - Google Patents
Info
- Publication number
- JPH0241399B2 JPH0241399B2 JP4898381A JP4898381A JPH0241399B2 JP H0241399 B2 JPH0241399 B2 JP H0241399B2 JP 4898381 A JP4898381 A JP 4898381A JP 4898381 A JP4898381 A JP 4898381A JP H0241399 B2 JPH0241399 B2 JP H0241399B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- welding
- point
- signal
- end surfaces
- 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.)
- Expired
Links
- 238000003466 welding Methods 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 21
- 238000009826 distribution Methods 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 238000003384 imaging method Methods 0.000 description 23
- 238000004364 calculation method Methods 0.000 description 17
- 230000003287 optical effect Effects 0.000 description 13
- 230000007547 defect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000009529 body temperature measurement Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 3
- 230000002500 effect on skin Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/08—Seam welding not restricted to one of the preceding subgroups
- B23K11/087—Seam welding not restricted to one of the preceding subgroups for rectilinear seams
- B23K11/0873—Seam welding not restricted to one of the preceding subgroups for rectilinear seams of the longitudinal seam of tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Radiation Pyrometers (AREA)
- Heat Treatment Of Articles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4898381A JPS57165188A (en) | 1981-03-31 | 1981-03-31 | Controlling method for welding of electric welded pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4898381A JPS57165188A (en) | 1981-03-31 | 1981-03-31 | Controlling method for welding of electric welded pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57165188A JPS57165188A (en) | 1982-10-12 |
| JPH0241399B2 true JPH0241399B2 (enrdf_load_html_response) | 1990-09-17 |
Family
ID=12818471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4898381A Granted JPS57165188A (en) | 1981-03-31 | 1981-03-31 | Controlling method for welding of electric welded pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57165188A (enrdf_load_html_response) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62203680A (ja) * | 1985-11-22 | 1987-09-08 | Kawasaki Steel Corp | 溶接状況監視方法 |
| BRPI0818126A2 (pt) * | 2007-11-02 | 2020-10-06 | Nippon Steel Corporation | sistema e método para monitoramento de estado de soldagem |
| EP3127646B1 (en) * | 2014-04-03 | 2021-11-10 | Nippon Steel Corporation | Welded state monitoring system and welded state monitoring method |
-
1981
- 1981-03-31 JP JP4898381A patent/JPS57165188A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57165188A (en) | 1982-10-12 |
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