JPS5462959A - Controller for plug mill rolling - Google Patents

Controller for plug mill rolling

Info

Publication number
JPS5462959A
JPS5462959A JP12875477A JP12875477A JPS5462959A JP S5462959 A JPS5462959 A JP S5462959A JP 12875477 A JP12875477 A JP 12875477A JP 12875477 A JP12875477 A JP 12875477A JP S5462959 A JPS5462959 A JP S5462959A
Authority
JP
Japan
Prior art keywords
longitudinal
rolled material
rolling
reduction
temperature distribution
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
JP12875477A
Other languages
Japanese (ja)
Other versions
JPS619086B2 (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/en
Publication of JPS5462959A publication Critical patent/JPS5462959A/en
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)

Abstract

PURPOSE:To manufacture the steel pipe with wall thickness uniform in the longitudinal direction, when the steel pipe is manufactured by the plug mill rolling, by measuring the longitudinal temperature distribution of the steel pipe while one pass rolling, and by utilizing this measured value for computing the set value for reduction in the next pass rolling. CONSTITUTION:When the rolled material 2 is first rolled by one pass, the longitudinal pressure distribution data are measured by the pressure gauge 6 installed in the pusher 5; these measured data are memorized in the momory 7. These data are inputted to the temperature distribution computer 8, and are converted to the longitudinal distribution of the rolled material 2. In the meantime, the reduction setting computer 9 takes in the rollig specification for the rolled material 2 from the rolling specification memory 10, and the computed set value for the reduction is given to the roll gap adjuster 11 on purpose to move the rolling roll 1 to the specified reducing postion. The reduction setting computer 9 computes, set and controls the reduction in the second pass, suitable for the temperature at the longitudinal position of the rolled material 2, depending on the longitudinal temperature distribution data for rolled material 2 supplied by the temperature distribution computer 8.
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 true JPS5462959A (en) 1979-05-21
JPS619086B2 JPS619086B2 (en) 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 (en)

Also Published As

Publication number Publication date
JPS619086B2 (en) 1986-03-19

Similar Documents

Publication Publication Date Title
GB1243828A (en) Control device for roll stand
GB1325883A (en) Method of and apparatus for revising workpiece temperature estimates or measurements using workpiece deformation behavior
GB1307823A (en) Rolling of strip or plate material
JPS5462959A (en) Controller for plug mill rolling
JPS5467550A (en) Shape control of rolled material
GB1291049A (en) Improvements in workpiece shape control
GB1269939A (en) Improvements in and relating to the hot or cold rolling of strip or plate
JPS57139420A (en) Controller of reeler mill
GB1270788A (en) Improvements in or relating to cold rolling stands
JPS57130710A (en) Automatic controlling method for sheet breadth in hot roughing mill
GB1127926A (en) Rolling mills
Yamashita et al. Technologies of flying gauge change in fully continuous cold rolling mill for thin gauge steel strips
JPS5471751A (en) Controller for hot rolling mill
JPS55114414A (en) Plate thickness control method of rolling mill
JPS5481153A (en) Thermal crown controller for rolling mill
JPS55120410A (en) Controlling method for coiling temperature of hot strip
SU548330A1 (en) The method of regulating the resistance of the metal deformation during hot rolling
JPS5561310A (en) Method and apparatus for controlling sheet thickness
Langer et al. Profile Measurement of the Hot Rolled Strip During Hot Rolling
JPS5762810A (en) Controlling method for breadth in rolling process
JPS54158362A (en) Controlling method for breadth of sheet at continuous hot rolling mill
JPS5762808A (en) Controlling method for thickness, crown and shape in rolling process
JPS5717318A (en) Rolling method for metallic pipe
JPS5797812A (en) Controlling method for rolling mill
JPS5677019A (en) Interstand thickness gauge for continuous rolling mill