JPH037474B2 - - Google Patents
Info
- Publication number
- JPH037474B2 JPH037474B2 JP23794284A JP23794284A JPH037474B2 JP H037474 B2 JPH037474 B2 JP H037474B2 JP 23794284 A JP23794284 A JP 23794284A JP 23794284 A JP23794284 A JP 23794284A JP H037474 B2 JPH037474 B2 JP H037474B2
- Authority
- JP
- Japan
- Prior art keywords
- camber
- amount
- roll
- edge
- strip
- 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
- 238000005520 cutting process Methods 0.000 claims description 36
- 239000011324 bead Substances 0.000 claims description 35
- 238000000034 method Methods 0.000 claims description 30
- 238000012545 processing Methods 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 238000004364 calculation method Methods 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 description 25
- 238000003466 welding Methods 0.000 description 20
- 238000001514 detection method Methods 0.000 description 11
- 238000000465 moulding Methods 0.000 description 11
- 238000005096 rolling process Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 8
- 238000009966 trimming Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 4
- 238000012999 compression bending Methods 0.000 description 3
- 230000008719 thickening Effects 0.000 description 3
- 230000001364 causal effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
- G01N29/0609—Display arrangements, e.g. colour displays
-
- 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
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23794284A JPS61115685A (ja) | 1984-11-12 | 1984-11-12 | 電縫鋼管の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23794284A JPS61115685A (ja) | 1984-11-12 | 1984-11-12 | 電縫鋼管の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61115685A JPS61115685A (ja) | 1986-06-03 |
| JPH037474B2 true JPH037474B2 (enrdf_load_stackoverflow) | 1991-02-01 |
Family
ID=17022742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23794284A Granted JPS61115685A (ja) | 1984-11-12 | 1984-11-12 | 電縫鋼管の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61115685A (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0724868B2 (ja) * | 1987-05-29 | 1995-03-22 | 日本鋼管株式会社 | 電縫鋼管の製造方法及び装置 |
| JPH0712549B2 (ja) * | 1987-12-25 | 1995-02-15 | 川崎製鉄株式会社 | 電縫鋼管の製造方法 |
| WO2008099943A1 (ja) * | 2007-02-13 | 2008-08-21 | Jfe Steel Corporation | 電縫鋼管の製造方法およびその製造装置 |
| JP4935703B2 (ja) * | 2007-02-27 | 2012-05-23 | Ｊｆｅスチール株式会社 | 溶接部の靭性が良好な電縫鋼管の製造方法 |
| JP5009032B2 (ja) * | 2007-04-10 | 2012-08-22 | 新日本製鐵株式会社 | 高強度溶接鋼管の製造装置 |
-
1984
- 1984-11-12 JP JP23794284A patent/JPS61115685A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61115685A (ja) | 1986-06-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |