JPH0431766B2 - - Google Patents
Info
- Publication number
- JPH0431766B2 JPH0431766B2 JP57156585A JP15658582A JPH0431766B2 JP H0431766 B2 JPH0431766 B2 JP H0431766B2 JP 57156585 A JP57156585 A JP 57156585A JP 15658582 A JP15658582 A JP 15658582A JP H0431766 B2 JPH0431766 B2 JP H0431766B2
- Authority
- JP
- Japan
- Prior art keywords
- bending
- section
- tensile
- width
- tension
- 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 - Lifetime
Links
- 238000005452 bending Methods 0.000 claims description 76
- 238000000034 method Methods 0.000 claims description 21
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000037303 wrinkles Effects 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000003672 processing method 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
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 |
---|---|---|---|
JP15658582A JPS5947026A (ja) | 1982-09-10 | 1982-09-10 | 引張曲げ加工方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15658582A JPS5947026A (ja) | 1982-09-10 | 1982-09-10 | 引張曲げ加工方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5947026A JPS5947026A (ja) | 1984-03-16 |
JPH0431766B2 true JPH0431766B2 (de) | 1992-05-27 |
Family
ID=15630976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15658582A Granted JPS5947026A (ja) | 1982-09-10 | 1982-09-10 | 引張曲げ加工方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5947026A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000117331A (ja) * | 1998-10-13 | 2000-04-25 | Japan Aircraft Mfg Co Ltd | 構造材ストレッチ成形治具、構造材ストレッチ成形システム並びに構造材ストレッチ成形方法 |
JP4716300B2 (ja) * | 2000-12-20 | 2011-07-06 | 日本飛行機株式会社 | 曲げ加工用支持ブロック |
MX2016009900A (es) * | 2014-03-04 | 2016-10-28 | Nippon Steel & Sumitomo Metal Corp | Metodo para fabricar producto conformado por prensa, dispositivo para fabricar producto conformado por prensa, mandril y producto conformado por prensa. |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5487663A (en) * | 1977-12-26 | 1979-07-12 | Hitachi Ltd | Stretch bending process |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53142537U (de) * | 1977-04-15 | 1978-11-10 |
-
1982
- 1982-09-10 JP JP15658582A patent/JPS5947026A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5487663A (en) * | 1977-12-26 | 1979-07-12 | Hitachi Ltd | Stretch bending process |
Also Published As
Publication number | Publication date |
---|---|
JPS5947026A (ja) | 1984-03-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR910009151B1 (ko) | 얇은 두께의 금속파이프를 제조하는 방법 | |
JPS61227126A (ja) | 金属管の残留応力除去方法 | |
JPH0237248B2 (de) | ||
US3472056A (en) | Pipe bending apparatus and method of bending | |
JP3205105B2 (ja) | 異形曲管の製造方法 | |
JPH0431766B2 (de) | ||
JP3642020B2 (ja) | ロールヘミング加工方法 | |
JP3027812B1 (ja) | 金属中空体曲げ加工装置及び金属中空体曲げ加工システム | |
JPS5939423A (ja) | 引張曲げ加工方法 | |
JPH11197758A (ja) | 異形金属素管とその製造方法および異形曲がり金属管の製造方法 | |
JPS6320609B2 (de) | ||
JPH0417731B2 (de) | ||
JPS61283422A (ja) | パイプ曲げ方法およびその装置 | |
JP2000135520A (ja) | プレス成形用金型装置 | |
JP2525860B2 (ja) | 曲がり角管の製造法 | |
JPH0899128A (ja) | フランジを有するアルミニウム合金形材の曲げ加工方法 | |
JPS58128224A (ja) | 型材曲げ成形装置 | |
JPH0739954A (ja) | しわ防止措置を施したプレス成形法としわ防止機構 | |
JPS6032899Y2 (ja) | 曲管成形装置 | |
JPH05277570A (ja) | 曲率を有する長尺構造体の製造方法 | |
JPS6311088B2 (de) | ||
JPS5966928A (ja) | 曲げ加工法 | |
JP2889835B2 (ja) | モールディングの曲げ加工方法および装置 | |
JPS5937137B2 (ja) | 金属製モ−ルデイングの製造方法 | |
JP2935715B2 (ja) | 波板のコンター成形方法 |