JPS57134203A - Method for controlling rotational frequency of roll for mandrel mill - Google Patents

Method for controlling rotational frequency of roll for mandrel mill

Info

Publication number
JPS57134203A
JPS57134203A JP56017896A JP1789681A JPS57134203A JP S57134203 A JPS57134203 A JP S57134203A JP 56017896 A JP56017896 A JP 56017896A JP 1789681 A JP1789681 A JP 1789681A JP S57134203 A JPS57134203 A JP S57134203A
Authority
JP
Japan
Prior art keywords
speed
rotational frequency
vmi
constant
mandrel bar
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
JP56017896A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6134887B2 (enrdf_load_stackoverflow
Inventor
Toshio Imae
Akio Ejima
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.)
JFE Steel Corp
Original Assignee
Kawasaki 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 Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Priority to JP56017896A priority Critical patent/JPS57134203A/ja
Publication of JPS57134203A publication Critical patent/JPS57134203A/ja
Publication of JPS6134887B2 publication Critical patent/JPS6134887B2/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
    • B21B17/02—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, i.e. the mandrel rod contacts the rolled tube over the rod length
    • B21B17/04—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, i.e. the mandrel rod contacts the rolled tube over the rod length in a continuous process

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
JP56017896A 1981-02-09 1981-02-09 Method for controlling rotational frequency of roll for mandrel mill Granted JPS57134203A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56017896A JPS57134203A (en) 1981-02-09 1981-02-09 Method for controlling rotational frequency of roll for mandrel mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56017896A JPS57134203A (en) 1981-02-09 1981-02-09 Method for controlling rotational frequency of roll for mandrel mill

Publications (2)

Publication Number Publication Date
JPS57134203A true JPS57134203A (en) 1982-08-19
JPS6134887B2 JPS6134887B2 (enrdf_load_stackoverflow) 1986-08-09

Family

ID=11956482

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56017896A Granted JPS57134203A (en) 1981-02-09 1981-02-09 Method for controlling rotational frequency of roll for mandrel mill

Country Status (1)

Country Link
JP (1) JPS57134203A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0542238U (ja) * 1991-11-06 1993-06-08 住友シチツクス株式会社 粉体貯蔵輸送装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0542238U (ja) * 1991-11-06 1993-06-08 住友シチツクス株式会社 粉体貯蔵輸送装置

Also Published As

Publication number Publication date
JPS6134887B2 (enrdf_load_stackoverflow) 1986-08-09

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