JPS55153608A - Composite sleeve roll for rolling h-beam steel - Google Patents

Composite sleeve roll for rolling h-beam steel

Info

Publication number
JPS55153608A
JPS55153608A JP5939579A JP5939579A JPS55153608A JP S55153608 A JPS55153608 A JP S55153608A JP 5939579 A JP5939579 A JP 5939579A JP 5939579 A JP5939579 A JP 5939579A JP S55153608 A JPS55153608 A JP S55153608A
Authority
JP
Japan
Prior art keywords
layer
inner layer
outer layer
molten metal
composite sleeve
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
JP5939579A
Other languages
Japanese (ja)
Other versions
JPS5949082B2 (en
Inventor
Masahiro Fukuda
Suejiro Yoshino
Akitoshi Okabayashi
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.)
Kubota Corp
Original Assignee
Kubota 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 Kubota Corp filed Critical Kubota Corp
Priority to JP5939579A priority Critical patent/JPS5949082B2/en
Publication of JPS55153608A publication Critical patent/JPS55153608A/en
Publication of JPS5949082B2 publication Critical patent/JPS5949082B2/en
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
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Abstract

PURPOSE:To improve both of performance and life, by fitting to outside of the shaft the three-layer composite sleeve consisting of the outer layer, the intermediate layer and the inner layer respectively constituted of a specified material. CONSTITUTION:The molten metal for forming the outer layer 3 is first poured into the centrifugal casting mold; while this molten metal is still unsolidified, or after completing the solidification, the molten metal for forming the intermediate layer 4 is poured into the mold. Similarly, the inner layer 5 is formed, and the three-layer composite sleeve, in which the outer layer 3, the intermediate layer 4 and the inner layer 5 are integrally joined into one body, is formed. Since the outer layer 3 is the part to contact with the rolled material as the working layer, it is required the sufficient abrasion-resistance and the thermal-fatigue durability, so that the high hard adamite is employed for the inner layer 5, it is especially required the tougheness for reinforcing the sleeve, and besides, it is required the castability, so that so called graphite steel is employed for the inner layer 5. The intermediate layer 4, being interposed between the outer layer 3 and the inner layer 5, is made from the adamite or the graphite steel, containing carbon in almost middle percentage between the outer layer 3 and the inner layer 5.
JP5939579A 1979-05-14 1979-05-14 Composite sleeve roll for H type steel rolling Expired JPS5949082B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5939579A JPS5949082B2 (en) 1979-05-14 1979-05-14 Composite sleeve roll for H type steel rolling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5939579A JPS5949082B2 (en) 1979-05-14 1979-05-14 Composite sleeve roll for H type steel rolling

Publications (2)

Publication Number Publication Date
JPS55153608A true JPS55153608A (en) 1980-11-29
JPS5949082B2 JPS5949082B2 (en) 1984-11-30

Family

ID=13112047

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5939579A Expired JPS5949082B2 (en) 1979-05-14 1979-05-14 Composite sleeve roll for H type steel rolling

Country Status (1)

Country Link
JP (1) JPS5949082B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5890363A (en) * 1981-11-20 1983-05-30 Kawasaki Steel Corp Production of composite roll of high alloy cast iron

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5890363A (en) * 1981-11-20 1983-05-30 Kawasaki Steel Corp Production of composite roll of high alloy cast iron

Also Published As

Publication number Publication date
JPS5949082B2 (en) 1984-11-30

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