RU2000120636A - METHOD FOR DETERMINING BOUNDARY CONDITIONS OF FORMING FORMING BENT METAL PARTS - Google Patents
METHOD FOR DETERMINING BOUNDARY CONDITIONS OF FORMING FORMING BENT METAL PARTSInfo
- Publication number
- RU2000120636A RU2000120636A RU2000120636/02A RU2000120636A RU2000120636A RU 2000120636 A RU2000120636 A RU 2000120636A RU 2000120636/02 A RU2000120636/02 A RU 2000120636/02A RU 2000120636 A RU2000120636 A RU 2000120636A RU 2000120636 A RU2000120636 A RU 2000120636A
- Authority
- RU
- Russia
- Prior art keywords
- curvature
- radius
- deformation
- largest
- forming
- Prior art date
Links
- 239000002184 metal Substances 0.000 title claims 2
- 239000000463 material Substances 0.000 claims 3
- 238000005452 bending Methods 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005755 formation reaction Methods 0.000 claims 1
Claims (1)
где Rотн - наибольший заданный относительный радиус кривизны;
Rmax - наибольший расчетный относительный радиус кривизны,
а величину минимально-допустимой суммарной деформации устанавливают, исходя из зависимости:
εΣmin≤Δlmin,
где εΣmin - минимально-допустимая суммарная деформация;
Δlmin - минимальное равномерное относительное удлинение материала, определяемое путем стандартных испытаний на растяжение пятикратных образцов.R rel = 1.15 • R max ,
where R Rel - the largest specified relative radius of curvature;
R max - the largest estimated relative radius of curvature,
and the value of the minimum allowable total strain is set based on the dependence:
ε Σmin ≤Δl min ,
where ε Σmin is the minimum allowable total strain;
Δl min - the minimum uniform uniform elongation of the material, determined by standard tensile tests of five-fold samples.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2000120636A RU2200639C2 (en) | 2000-08-01 | 2000-08-01 | Method for determining boundary conditions at shaping bent metallic parts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2000120636A RU2200639C2 (en) | 2000-08-01 | 2000-08-01 | Method for determining boundary conditions at shaping bent metallic parts |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2000120636A true RU2000120636A (en) | 2002-08-27 |
RU2200639C2 RU2200639C2 (en) | 2003-03-20 |
Family
ID=20238743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2000120636A RU2200639C2 (en) | 2000-08-01 | 2000-08-01 | Method for determining boundary conditions at shaping bent metallic parts |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2200639C2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113063674B (en) * | 2021-03-23 | 2022-06-17 | 重庆大学 | Method and device for observing bending failure process of metal material by gradient curvature method |
-
2000
- 2000-08-01 RU RU2000120636A patent/RU2200639C2/en not_active IP Right Cessation
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