JPS57165129A - Roll for spinning - Google Patents
Roll for spinningInfo
- Publication number
- JPS57165129A JPS57165129A JP56049051A JP4905181A JPS57165129A JP S57165129 A JPS57165129 A JP S57165129A JP 56049051 A JP56049051 A JP 56049051A JP 4905181 A JP4905181 A JP 4905181A JP S57165129 A JPS57165129 A JP S57165129A
- Authority
- JP
- Japan
- Prior art keywords
- working
- face
- spinning
- roll
- diameter side
- 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.)
- Pending
Links
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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
PURPOSE:To prevent breakage of material during working by forming a roll for spinning to conical form having a preliminary processing working face and a spinning face. CONSTITUTION:The conical face of outer surface of a working roll 1 is arranged to make the space for the outer surface of a mandrel 4 different along the generating line, and the working roll 1 is also so arranged that the small diameter side is positioned on the large diameter side of the mandrel 4. When spinning is made by shifting the working roll 1 from the small diameter side to large diameter side of the mandrel 4, the conical face of the working roll 1 comes into contact with the material 5, and sucessively the large diameter part contacts with the material. The material is tilted by an angle alpha0 due to contact of the conical face with the material 5, and the thickness t1 of the tilted part becomes greater than the thickness before working. Since working by spinning face 2 is made on the part where apparent thickness t1 becomes greater than the thickness before working by preliminary processing working face, breakage is difficult to occur.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56049051A JPS57165129A (en) | 1981-03-31 | 1981-03-31 | Roll for spinning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56049051A JPS57165129A (en) | 1981-03-31 | 1981-03-31 | Roll for spinning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57165129A true JPS57165129A (en) | 1982-10-12 |
Family
ID=12820278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56049051A Pending JPS57165129A (en) | 1981-03-31 | 1981-03-31 | Roll for spinning |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57165129A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112404227A (en) * | 2020-11-26 | 2021-02-26 | 首都航天机械有限公司 | Spinning forming method for seal head with forked ring structure |
| US11117177B2 (en) * | 2016-07-13 | 2021-09-14 | Kawasaki Jukogyo Kabushiki Kaisha | Spinning forming method |
-
1981
- 1981-03-31 JP JP56049051A patent/JPS57165129A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11117177B2 (en) * | 2016-07-13 | 2021-09-14 | Kawasaki Jukogyo Kabushiki Kaisha | Spinning forming method |
| CN112404227A (en) * | 2020-11-26 | 2021-02-26 | 首都航天机械有限公司 | Spinning forming method for seal head with forked ring structure |
| CN112404227B (en) * | 2020-11-26 | 2023-10-27 | 首都航天机械有限公司 | Spinning forming method for seal head with fork-shaped ring structure |
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