JPS6123042B2 - - Google Patents
Info
- Publication number
- JPS6123042B2 JPS6123042B2 JP2846981A JP2846981A JPS6123042B2 JP S6123042 B2 JPS6123042 B2 JP S6123042B2 JP 2846981 A JP2846981 A JP 2846981A JP 2846981 A JP2846981 A JP 2846981A JP S6123042 B2 JPS6123042 B2 JP S6123042B2
- Authority
- JP
- Japan
- Prior art keywords
- burring
- steel ball
- diameter
- pipe
- hole
- 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 51
- 239000010959 steel Substances 0.000 claims description 51
- 230000000452 restraining effect Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 238000005219 brazing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
- B21C37/29—Making branched pieces, e.g. T-pieces
- B21C37/292—Forming collars by drawing or pushing a rigid forming tool through an opening in the tube wall
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2846981A JPS57142725A (en) | 1981-03-02 | 1981-03-02 | Method and apparatus for burring of tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2846981A JPS57142725A (en) | 1981-03-02 | 1981-03-02 | Method and apparatus for burring of tube |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57142725A JPS57142725A (en) | 1982-09-03 |
JPS6123042B2 true JPS6123042B2 (hu) | 1986-06-04 |
Family
ID=12249504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2846981A Granted JPS57142725A (en) | 1981-03-02 | 1981-03-02 | Method and apparatus for burring of tube |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57142725A (hu) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2578762B1 (fr) * | 1985-03-15 | 1993-06-18 | Sumitomo Metal Ind | Procede de fabrication de tubes metalliques a derivations |
CN108889793A (zh) * | 2018-06-20 | 2018-11-27 | 江阴市天柠管道有限公司 | 小型集合管生产工艺 |
CN108906901B (zh) * | 2018-06-20 | 2020-05-22 | 江阴市天柠管道有限公司 | 弧形集合管生产工艺 |
CN111408644A (zh) * | 2019-01-07 | 2020-07-14 | 青岛海尔空调电子有限公司 | 管孔翻边的成型模具及其成型工艺 |
CN109746308A (zh) * | 2019-02-22 | 2019-05-14 | 四川龙立可不锈钢管业有限公司 | 一种管道侧壁孔扩孔成型装置 |
CN113333500A (zh) * | 2019-02-22 | 2021-09-03 | 四川龙立可不锈钢管业有限公司 | 一种管道的旁通支管加工方法 |
CN110814135B (zh) * | 2019-12-09 | 2021-04-09 | 安徽中巨智能科技有限公司 | 一种管件侧孔拉延装置 |
CN113182427B (zh) * | 2021-05-13 | 2021-10-29 | 绍兴市荣迪机械有限公司 | 一种三通管加工设备 |
CN113000677B (zh) * | 2021-05-13 | 2021-09-07 | 绍兴市荣迪机械有限公司 | 一种自动冲孔的三通管加工设备 |
CN113878007B (zh) * | 2021-09-28 | 2023-11-14 | 湖北三江航天红阳机电有限公司 | 一种堵头罩球头孔的加工工装及加工方法 |
CN116276106B (zh) * | 2023-03-05 | 2023-09-29 | 广州市迅兴精密工业有限公司 | 一种汽车模金属冲压零件的翻孔加工模具 |
-
1981
- 1981-03-02 JP JP2846981A patent/JPS57142725A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57142725A (en) | 1982-09-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |