JPS6236769B2 - - Google Patents
Info
- Publication number
- JPS6236769B2 JPS6236769B2 JP23882883A JP23882883A JPS6236769B2 JP S6236769 B2 JPS6236769 B2 JP S6236769B2 JP 23882883 A JP23882883 A JP 23882883A JP 23882883 A JP23882883 A JP 23882883A JP S6236769 B2 JPS6236769 B2 JP S6236769B2
- Authority
- JP
- Japan
- Prior art keywords
- angle
- section steel
- flange
- steel
- roll
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 67
- 239000010959 steel Substances 0.000 claims description 67
- 238000000034 method Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
- B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23882883A JPS60130420A (ja) | 1983-12-20 | 1983-12-20 | 切口変形の少ない軽量形鋼の冷間ロ−ル成形法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23882883A JPS60130420A (ja) | 1983-12-20 | 1983-12-20 | 切口変形の少ない軽量形鋼の冷間ロ−ル成形法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60130420A JPS60130420A (ja) | 1985-07-11 |
| JPS6236769B2 true JPS6236769B2 (Direct) | 1987-08-08 |
Family
ID=17035872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23882883A Granted JPS60130420A (ja) | 1983-12-20 | 1983-12-20 | 切口変形の少ない軽量形鋼の冷間ロ−ル成形法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60130420A (Direct) |
-
1983
- 1983-12-20 JP JP23882883A patent/JPS60130420A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60130420A (ja) | 1985-07-11 |
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