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
Application number
JP2846981A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57142725A (en
Inventor
Sumyoshi Takeda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2846981A priority Critical patent/JPS57142725A/ja
Publication of JPS57142725A publication Critical patent/JPS57142725A/ja
Publication of JPS6123042B2 publication Critical patent/JPS6123042B2/ja
Granted legal-status Critical Current

Links

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
JP2846981A 1981-03-02 1981-03-02 Method and apparatus for burring of tube Granted JPS57142725A (en)

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 (de) 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 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
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
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
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
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

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