JPS622915B2 - - Google Patents
Info
- Publication number
- JPS622915B2 JPS622915B2 JP1162681A JP1162681A JPS622915B2 JP S622915 B2 JPS622915 B2 JP S622915B2 JP 1162681 A JP1162681 A JP 1162681A JP 1162681 A JP1162681 A JP 1162681A JP S622915 B2 JPS622915 B2 JP S622915B2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- welding
- quality
- current
- circuit
- 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 84
- 238000000034 method Methods 0.000 claims description 34
- 239000000463 material Substances 0.000 claims description 8
- 230000002123 temporal effect Effects 0.000 claims description 5
- 238000000275 quality assurance Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000010304 firing Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 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
- B23K11/24—Electric supply or control circuits therefor
- B23K11/25—Monitoring devices
- B23K11/252—Monitoring devices using digital means
- B23K11/258—Monitoring devices using digital means the measured parameter being a voltage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding Control (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1162681A JPS57127583A (en) | 1981-01-30 | 1981-01-30 | Method for quality assurance and checking of resistance weld zone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1162681A JPS57127583A (en) | 1981-01-30 | 1981-01-30 | Method for quality assurance and checking of resistance weld zone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57127583A JPS57127583A (en) | 1982-08-07 |
| JPS622915B2 true JPS622915B2 (fr) | 1987-01-22 |
Family
ID=11783132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1162681A Granted JPS57127583A (en) | 1981-01-30 | 1981-01-30 | Method for quality assurance and checking of resistance weld zone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57127583A (fr) |
-
1981
- 1981-01-30 JP JP1162681A patent/JPS57127583A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57127583A (en) | 1982-08-07 |
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