JPS6483340A - Cooling drum for continuous casting apparatus for cast thin slab - Google Patents

Cooling drum for continuous casting apparatus for cast thin slab

Info

Publication number
JPS6483340A
JPS6483340A JP62240479A JP24047987A JPS6483340A JP S6483340 A JPS6483340 A JP S6483340A JP 62240479 A JP62240479 A JP 62240479A JP 24047987 A JP24047987 A JP 24047987A JP S6483340 A JPS6483340 A JP S6483340A
Authority
JP
Japan
Prior art keywords
cooling
dents
molten metal
thin slab
cast
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
JP62240479A
Other languages
Japanese (ja)
Other versions
JPH0413053B2 (en
Inventor
Shigenori Tanaka
Hiroo Ito
Michiya Hayashida
Keiichi Yamamoto
Hikotaro Itani
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.)
Mitsubishi Heavy Industries Ltd
Nippon Steel Corp
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd, Nippon Steel Corp filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP62240479A priority Critical patent/JPS6483340A/en
Priority to US07/247,691 priority patent/US4887662A/en
Priority to DE8888308808T priority patent/DE3877675T2/en
Priority to ES198888308808T priority patent/ES2037232T3/en
Priority to EP88308808A priority patent/EP0309247B1/en
Priority to AU22498/88A priority patent/AU588742B2/en
Priority to CA000578351A priority patent/CA1320333C/en
Priority to KR1019880012408A priority patent/KR920000513B1/en
Publication of JPS6483340A publication Critical patent/JPS6483340A/en
Publication of JPH0413053B2 publication Critical patent/JPH0413053B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0637—Accessories therefor
    • B22D11/0648—Casting surfaces
    • B22D11/0651—Casting wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/005—Rolls with a roughened or textured surface; Methods for making same

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)

Abstract

PURPOSE:To stably produce a cast thin slab having excellent shape characteristic without any crack, etc., by arranging many small dented parts having the specific size and shape on surface of drum for cooling molten metal in continuous casting apparatus. CONSTITUTION:The molten metal in a tundish 1 is flowed into pouring basin 3 between the cooling drums 2, 2 and continuously drawn as the cast thin slab 5 by rotating the cooling drums 2, 2. In this case, many dents 11 having circular or elliptic opening parts with 0.1-1.2mm diameter and 5-100m depth are uniformly arranged without contacting with mutual dents 11 on Ni plating layer 13 on the surface of the cooling roll 2. When the molten metal forms the solidified shell 15 on the surface of the cooling drum 2, these dents 11 form air gaps, which independently exist without mutual continuity. As the high temp. solidified layers having low rigidity, slowly cooled by the air gaps, are surrounded with the part having high rigidity, which are sufficiently cooled by directly contacting with the cooling drums except the dented 11 part, the development of the crack caused by shrinkage of the solidified shell 15 is restrained and the thin cast slab 5 having excellent surface characteristic is obtd.
JP62240479A 1987-09-24 1987-09-24 Cooling drum for continuous casting apparatus for cast thin slab Granted JPS6483340A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP62240479A JPS6483340A (en) 1987-09-24 1987-09-24 Cooling drum for continuous casting apparatus for cast thin slab
US07/247,691 US4887662A (en) 1987-09-24 1988-09-22 Cooling drum for continuous-casting machines for manufacturing thin metallic strip
DE8888308808T DE3877675T2 (en) 1987-09-24 1988-09-22 COOLING DRUM FOR CONTINUOUS CASTING MACHINES FOR THE PRODUCTION OF THIN METAL STRIPS.
ES198888308808T ES2037232T3 (en) 1987-09-24 1988-09-22 REFRIGERATION DRUM FOR CONTINUOUS CAST MACHINES TO MANUFACTURE THIN METALLIC STRAP.
EP88308808A EP0309247B1 (en) 1987-09-24 1988-09-22 Cooling drum for continuous-casting machines for manufacturing thin metallic strip
AU22498/88A AU588742B2 (en) 1987-09-24 1988-09-22 Cooling drum for continuous-casting machines for manufacturing thin metallic strip
CA000578351A CA1320333C (en) 1987-09-24 1988-09-23 Cooling drum for continuous-casting machines for manufacturing thin metallic strip
KR1019880012408A KR920000513B1 (en) 1987-09-24 1988-09-24 Cooling drum for coninuous casting apparatus for cast thin slab

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62240479A JPS6483340A (en) 1987-09-24 1987-09-24 Cooling drum for continuous casting apparatus for cast thin slab

Publications (2)

Publication Number Publication Date
JPS6483340A true JPS6483340A (en) 1989-03-29
JPH0413053B2 JPH0413053B2 (en) 1992-03-06

Family

ID=17060125

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62240479A Granted JPS6483340A (en) 1987-09-24 1987-09-24 Cooling drum for continuous casting apparatus for cast thin slab

Country Status (1)

Country Link
JP (1) JPS6483340A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0366455A (en) * 1989-08-03 1991-03-22 Nippon Steel Corp Cooling drum for continuous casting apparatus for cast strip
JPH03128149A (en) * 1989-10-13 1991-05-31 Ishikawajima Harima Heavy Ind Co Ltd Twin roll type continuous casting machine
WO1991010521A1 (en) * 1990-01-12 1991-07-25 Nippon Steel Corporation Continuously cast thin piece and method of casting thereof
US5103895A (en) * 1989-07-20 1992-04-14 Nippon Steel Corporation Method and apparatus of continuously casting a metal sheet

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62254953A (en) * 1986-04-30 1987-11-06 Hitachi Ltd Twin roll type continuous caster

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62254953A (en) * 1986-04-30 1987-11-06 Hitachi Ltd Twin roll type continuous caster

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5103895A (en) * 1989-07-20 1992-04-14 Nippon Steel Corporation Method and apparatus of continuously casting a metal sheet
JPH0366455A (en) * 1989-08-03 1991-03-22 Nippon Steel Corp Cooling drum for continuous casting apparatus for cast strip
JPH03128149A (en) * 1989-10-13 1991-05-31 Ishikawajima Harima Heavy Ind Co Ltd Twin roll type continuous casting machine
WO1991010521A1 (en) * 1990-01-12 1991-07-25 Nippon Steel Corporation Continuously cast thin piece and method of casting thereof
US5227251A (en) * 1990-01-12 1993-07-13 Nippon Steel Corporation Thin continuous cast plate and process for manufacturing the same

Also Published As

Publication number Publication date
JPH0413053B2 (en) 1992-03-06

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