KR920016174A - Cemented carbide and cast iron rolls and manufacturing method thereof - Google Patents

Cemented carbide and cast iron rolls and manufacturing method thereof Download PDF

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Publication number
KR920016174A
KR920016174A KR1019920001907A KR920001907A KR920016174A KR 920016174 A KR920016174 A KR 920016174A KR 1019920001907 A KR1019920001907 A KR 1019920001907A KR 920001907 A KR920001907 A KR 920001907A KR 920016174 A KR920016174 A KR 920016174A
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KR
South Korea
Prior art keywords
cemented carbide
casting
cast iron
roll
cast
Prior art date
Application number
KR1019920001907A
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Korean (ko)
Inventor
에릭 카를손 얀
순트스테트 게르트
Original Assignee
레나르트 타퀴스트
샌드빅 에이비
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Publication date
Application filed by 레나르트 타퀴스트, 샌드빅 에이비 filed Critical 레나르트 타퀴스트
Publication of KR920016174A publication Critical patent/KR920016174A/en

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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
    • B21B27/02—Shape or construction of rolls
    • B21B27/03—Sleeved rolls
    • B21B27/035—Rolls for bars, rods, rounds, tubes, wire or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D13/00—Centrifugal casting; Casting by using centrifugal force
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Heat Treatment Of Articles (AREA)
  • Tires In General (AREA)

Abstract

내용 없음No content

Description

초경합금과 주철로된 로울 및 그 제조방법Cemented carbide and cast iron rolls and manufacturing method thereof

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 초경합금고리(2)를 주조할 연성철 로울(1)을 보여준다, 제2도는 4개의 초경합금고리(2)를 주조할 연성철 로울(1)을 보여준다, 제3도는 또다른 재료로된 코어와 저어널(3) 또한 연성철로 구성된 4개의 초경합금고리(2)로된 로울(1)을 보여준다.FIG. 1 shows a ductile iron roll 1 to cast a cemented carbide ring 2, and FIG. 2 shows a ductile iron roll 1 to cast four cemented carbide rings 2, FIG. The core and journal (3) also show a roll (1) of four cemented carbide rings (2) made of ductile iron.

Claims (8)

흑연 주철로 구성되고 주조후 5-30특히 15-20중량%의 잔유 오오스테나이트를 함유하며 주조후 냉각시킨 결과 주철과 초경합금간의 수축차이를 감소 또는 제거하기 위한 목적으로 후곡의 열처리단계를 거치면 부피증가와 함께주로 베이나이트로 변형되는 주조합금으로 성형한 하나 또는 여러개의 초경합금 고리를 배렬로 만들고 한편 저어널 함유 로울은 단일편으로 주조하고 최종형태와 크기로 후속가공한 것을 특징으로 하는 열간 또는 냉각 압연용로울.It is composed of graphite cast iron and contains 5-30 after casting, especially 15-20% by weight of residual austenite, and after cooling, the volume of the grain after heat treatment of the grains for the purpose of reducing or eliminating the shrinkage difference between the cast iron and the cemented carbide Hot or cooling characterized by arranging one or several cemented carbide rings formed from a main alloy which is mainly transformed into bainite, with increasing, while journal-containing rolls are cast in one piece and subsequently processed to final shape and size Rolling rolls. 제1항에 있어서, 로울을 원심분리 주조법에 따라 제조한 것을 특징으로한 로울.The roll according to claim 1, wherein the roll is prepared by centrifugal casting. 제2항에 있어서, 하나 또는 여러개의 초경합금 고리를 지지하는 주철 케이싱과 또한 원심분리 주조법 또는 고정 주조법에 의해 만들어진 주조합금 저어널로 구성된 것을 특징으로 하는 로울.3. The roll according to claim 2, comprising a cast iron casing for supporting one or several cemented carbide rings and also a main alloy journal made by centrifugal casting or fixed casting. 제2항에 있어서, 로울이 고리형 케이싱만으로 주조된 초경합금 고리인 것을 특징으로한 로울.3. A roll according to claim 2, wherein the roll is a cemented carbide ring cast only with an annular casing. 흑연 주철로 구성되고 주조후 5-30 특히 15-20중량%의 잔유 오오스테나이트를 함유하며 주조후 냉각시킨 결과 주철과 초경합금간의 수축차이를 감소 또는 제거하기 위한 목적으로 후곡의 열처리 단계를 거치면 부피증가와 함께 주로 베이나이트로 변형되는 주조합금으로 성형한 하나 또는 여러개의 초경합금 고리를 배럴로 만들고 한편 저어널 함유 로울은 단일편으로 주조하고 최종형태와 크기로 후속가공한 것을 특징으로 하는 열간 또는 냉각 압연용 로울의 제조방법.It is composed of graphite cast iron and contains 5-30, especially 15-20% by weight, of residual austenite after casting, and after cooling after casting, the volume is subjected to the heat treatment step of the post grain for the purpose of reducing or eliminating the shrinkage difference between cast iron and cemented carbide. Hot or cooling characterized by barrels of one or several cemented carbide rings molded from a main alloy which is mainly transformed into bainite with increasing barrels, while journal-bearing rolls are cast in one piece and subsequently processed into final shape and size Method of manufacturing a roll for rolling. 제5항에 있어서, 주조법은 원심분리 주조법인 것을 특징으로 하는 방법.The method of claim 5 wherein the casting method is a centrifugal casting method. 제6항에 있어서, 원심분리 주조법으로 초경합금 고리는 주조합금 케이싱으로 만들고 그후 로울코어와 저어널은 원심분리 주조법이나 고정주조법으로 만들어진 또다른 주조합금으로 만드는 것을 특징으로 하는 방법.7. A method according to claim 6, wherein the cemented carbide rings are made of a main alloy casing by centrifugal casting and then the roll core and journal are made of another main alloy made of centrifugal casting or fixed casting. 제6항에 있어서, 고리형 케이싱만 주조하는 것을 특징으로 하는 방법.The method of claim 6, wherein only the annular casing is cast. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920001907A 1991-02-11 1992-02-11 Cemented carbide and cast iron rolls and manufacturing method thereof KR920016174A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9100405-1 1991-02-11
SE9100405A SE9100405D0 (en) 1991-02-11 1991-02-11 ROLLING, COMPOSITION OF HEAVY METAL AND CASTING IRON, AND SUITABLE FOR PREPARATION OF THE SAME

Publications (1)

Publication Number Publication Date
KR920016174A true KR920016174A (en) 1992-09-24

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Application Number Title Priority Date Filing Date
KR1019920001907A KR920016174A (en) 1991-02-11 1992-02-11 Cemented carbide and cast iron rolls and manufacturing method thereof

Country Status (17)

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EP (1) EP0571465A1 (en)
JP (1) JPH04319059A (en)
KR (1) KR920016174A (en)
CN (1) CN1032628C (en)
BR (1) BR9200461A (en)
CA (1) CA2060768A1 (en)
CZ (1) CZ164393A3 (en)
FI (1) FI933532A0 (en)
HU (1) HU216115B (en)
IL (1) IL100901A (en)
MX (1) MX9200574A (en)
NZ (1) NZ241549A (en)
RU (1) RU2060067C1 (en)
SE (1) SE9100405D0 (en)
TN (1) TNSN92011A1 (en)
WO (1) WO1992013651A1 (en)
ZA (1) ZA92832B (en)

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Publication number Priority date Publication date Assignee Title
DE19827861A1 (en) * 1997-06-27 1999-01-07 Mitsubishi Materials Corp Thermal shock resistant composite roll
SE533591C2 (en) * 2009-03-12 2010-11-02 Sandvik Intellectual Property Roller comprising a drive shaft and a roller ring
CN102069152B (en) * 2010-12-22 2012-10-03 宁夏共享集团有限责任公司 Modeling method of large-size ring-structure casting
PL2508262T3 (en) 2011-04-04 2014-05-30 Cellwood Machinery Ab Method of provision of a fuel
EP2508670B1 (en) 2011-04-04 2013-08-21 Cellwood Machinery AB Refining disc or refining disc segment
JOP20200150A1 (en) 2011-04-06 2017-06-16 Esco Group Llc Hardfaced wearpart using brazing and associated method and assembly for manufacturing
US9221232B2 (en) * 2011-11-21 2015-12-29 Hitachi Metals, Ltd. Centrifugally cast composite roll and its production method
CN103009015B (en) * 2013-01-13 2015-01-07 邯郸市永固冶金备件有限公司 Method for manufacturing double metal composite wear-resistant metallurgical rollers
CN103978177B (en) * 2014-05-22 2016-06-15 江苏双勤民生冶化设备制造有限公司 A kind of roll neck and vertical centrifugal castmethod thereof and application
JP6496933B2 (en) * 2015-04-16 2019-04-10 新日鐵住金株式会社 Material selection method for continuous casting roll and continuous casting roll

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DE3248482A1 (en) * 1982-12-29 1984-07-05 VEB Walzengießerei Coswig im VEB Rohrkombinat, DDR 8270 Coswig Method of manufacturing solid-cast pin rollers according to the horizontal spin-casting principle depending upon the raw cast ball diameter and pin diameter and the casting cycles deriving therefrom

Also Published As

Publication number Publication date
HU9302321D0 (en) 1993-10-28
HUT65654A (en) 1994-07-28
MX9200574A (en) 1993-01-01
JPH04319059A (en) 1992-11-10
FI933532A (en) 1993-08-10
NZ241549A (en) 1994-01-26
CN1064827A (en) 1992-09-30
IL100901A0 (en) 1992-11-15
RU2060067C1 (en) 1996-05-20
CN1032628C (en) 1996-08-28
BR9200461A (en) 1992-10-20
FI933532A0 (en) 1993-08-10
SE9100405D0 (en) 1991-02-11
CA2060768A1 (en) 1992-08-12
IL100901A (en) 1994-04-12
HU216115B (en) 1999-04-28
WO1992013651A1 (en) 1992-08-20
TNSN92011A1 (en) 1993-06-08
CZ164393A3 (en) 1994-02-16
ZA92832B (en) 1992-11-25
EP0571465A1 (en) 1993-12-01

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