JPS619086B2 - - Google Patents

Info

Publication number
JPS619086B2
JPS619086B2 JP52128754A JP12875477A JPS619086B2 JP S619086 B2 JPS619086 B2 JP S619086B2 JP 52128754 A JP52128754 A JP 52128754A JP 12875477 A JP12875477 A JP 12875477A JP S619086 B2 JPS619086 B2 JP S619086B2
Authority
JP
Japan
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
JP52128754A
Other versions
JPS5462959A (en
Inventor
Tetsuhiro Kondo
Kozo Nakai
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 JP12875477A priority Critical patent/JPS5462959A/ja
Publication of JPS5462959A publication Critical patent/JPS5462959A/ja
Publication of JPS619086B2 publication Critical patent/JPS619086B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/78—Control of tube rolling
    • 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
    • B21B17/12—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 in a discontinuous process, e.g. plug-rolling mills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
JP12875477A 1977-10-28 1977-10-28 Controller for plug mill rolling Granted JPS5462959A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12875477A JPS5462959A (en) 1977-10-28 1977-10-28 Controller for plug mill rolling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12875477A JPS5462959A (en) 1977-10-28 1977-10-28 Controller for plug mill rolling

Publications (2)

Publication Number Publication Date
JPS5462959A JPS5462959A (en) 1979-05-21
JPS619086B2 true JPS619086B2 (ja) 1986-03-19

Family

ID=14992629

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12875477A Granted JPS5462959A (en) 1977-10-28 1977-10-28 Controller for plug mill rolling

Country Status (1)

Country Link
JP (1) JPS5462959A (ja)

Also Published As

Publication number Publication date
JPS5462959A (en) 1979-05-21

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