JPS5588907A - Piercing method for press roll - Google Patents

Piercing method for press roll

Info

Publication number
JPS5588907A
JPS5588907A JP16098778A JP16098778A JPS5588907A JP S5588907 A JPS5588907 A JP S5588907A JP 16098778 A JP16098778 A JP 16098778A JP 16098778 A JP16098778 A JP 16098778A JP S5588907 A JPS5588907 A JP S5588907A
Authority
JP
Japan
Prior art keywords
roll
piercing
rolls
peripheral speed
thickness deviation
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.)
Granted
Application number
JP16098778A
Other languages
English (en)
Other versions
JPS5856647B2 (ja
Inventor
Seishiro Yoshihara
Hirokichi Higashiyama
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP53160987A priority Critical patent/JPS5856647B2/ja
Publication of JPS5588907A publication Critical patent/JPS5588907A/ja
Publication of JPS5856647B2 publication Critical patent/JPS5856647B2/ja
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
    • B21B17/08—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel having one or more protrusions, i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
JP53160987A 1978-12-28 1978-12-28 プレスロ−ル穿孔方法 Expired JPS5856647B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53160987A JPS5856647B2 (ja) 1978-12-28 1978-12-28 プレスロ−ル穿孔方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53160987A JPS5856647B2 (ja) 1978-12-28 1978-12-28 プレスロ−ル穿孔方法

Publications (2)

Publication Number Publication Date
JPS5588907A true JPS5588907A (en) 1980-07-05
JPS5856647B2 JPS5856647B2 (ja) 1983-12-16

Family

ID=15726407

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53160987A Expired JPS5856647B2 (ja) 1978-12-28 1978-12-28 プレスロ−ル穿孔方法

Country Status (1)

Country Link
JP (1) JPS5856647B2 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6081049U (ja) * 1983-11-08 1985-06-05 富士重工業株式会社 自動車用シ−ト
JPS61177920U (ja) * 1985-04-24 1986-11-06

Also Published As

Publication number Publication date
JPS5856647B2 (ja) 1983-12-16

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