KR970065757A - Insulating Alloy Steel and Die Casting Machine Parts - Google Patents

Insulating Alloy Steel and Die Casting Machine Parts Download PDF

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Publication number
KR970065757A
KR970065757A KR1019970010910A KR19970010910A KR970065757A KR 970065757 A KR970065757 A KR 970065757A KR 1019970010910 A KR1019970010910 A KR 1019970010910A KR 19970010910 A KR19970010910 A KR 19970010910A KR 970065757 A KR970065757 A KR 970065757A
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South Korea
Prior art keywords
die casting
weight
casting machine
alloy steel
machine part
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KR1019970010910A
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Korean (ko)
Inventor
다까노부 니시무라
마사노리 기바따
마사히꼬 이와이
마사또 야다
Original Assignee
니시무로 다이조
가부시끼가이샤 도시바
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Priority claimed from JP7388496A external-priority patent/JPH09262655A/en
Priority claimed from JP7388396A external-priority patent/JPH09263897A/en
Application filed by 니시무로 다이조, 가부시끼가이샤 도시바 filed Critical 니시무로 다이조
Publication of KR970065757A publication Critical patent/KR970065757A/en

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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20Accessories: Details
    • B22D17/2015Means for forcing the molten metal into the die
    • B22D17/2023Nozzles or shot sleeves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20Accessories: Details
    • B22D17/2015Means for forcing the molten metal into the die
    • B22D17/203Injection pistons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20Accessories: Details
    • B22D17/22Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
    • B22D17/2209Selection of die materials

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

본 발명의 단열성 합금강은 0.1 내지 0.5중량%의 C, 3.0 내지 7.0중량%의 Si, 5.0 내지 18중량%의 Ni, 0.5 내지 8.0중량%의 Cr, 필요에 따라 2.0중량% 미만의 Mn, 2.0중량% 미만의 Al, 및 2.0 중량% 미만의 Mo으로 이루어진 그룹으로부터 선택된 적어도 하나의 원소를 포함하고, 잔부가 실질적으로 Fe로 이루어진다. 이 단열성 합금강은 면적율로서 30% 이상의 마르텐사이트상을 갖는 매트릭스 금속 조직을 갖는다. 또한, Al계 용융 금속과 접촉하는 표면을 갖는, 사출 슬리브 또는 주입구 부싱(5)과 같은 다이 캐스팅 기계 부품은 0.1 내지 1.5중량%의 C, 5.0 내지 40.0중량%의 Ni, 그리고 Cr, Mo, W, V, Nb, Ta, Ti 및 Zr로 이루어진 그룹으로부터 선택된 적어도 한 종류의 0.5 내지 10.0중량%의 탄화물 형성 원소를 함유하는 Fe기 합금으로 제조되며, Al계 용융 금속과 접촉하는 표면을 포함하고, Al계 용융 금속과의 선택적인 확산 반응에 의해 야기된 내용손충으로서의 고밀도 탄화물층이 그 내부에 형성되도록 이루어진 표면을 포함한다.Insulating alloy steel of the present invention is 0.1 to 0.5% by weight of C, 3.0 to 7.0% by weight of Si, 5.0 to 18% by weight of Ni, 0.5 to 8.0% by weight of Cr, less than 2.0% by weight of Mn, 2.0 weight At least one element selected from the group consisting of less than% Al, and less than 2.0% by weight Mo, with the balance consisting essentially of Fe. This heat-insulating alloy steel has a matrix metal structure having a martensite phase of 30% or more as area ratio. In addition, die casting machine parts, such as injection sleeves or inlet bushings 5, having a surface in contact with an Al-based molten metal, may be 0.1 to 1.5 wt.% C, 5.0 to 40.0 wt.% Ni, and Cr, Mo, W And a Fe-based alloy containing at least one kind of 0.5-10.0 wt% carbide forming element selected from the group consisting of V, Nb, Ta, Ti and Zr, and comprising a surface in contact with an Al-based molten metal, It includes a surface adapted to be formed therein a high density carbide layer as a net impingement caused by the selective diffusion reaction with the Al-based molten metal.

Description

단열성 합금강 및 다이 캐스팅 기계 부품Insulating Alloy Steel and Die Casting Machine Parts

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제2도는 본 발명의 일 실시예의 다이 캐스팅 기계의 구성을 도시하는 부분 단면 개략도.2 is a partial cross-sectional schematic diagram showing the construction of a die casting machine of one embodiment of the present invention.

Claims (12)

0.1 내지 0.5중량%의 C, 3.0 내지 7.0중량%의 Si, 5.0 내지 18중량%의 Ni, 및 0.5 내지 8.0중량%의 Cr를 함유하고, 잔부가 실질적으로 Fe로 이루어진 것을 특징으로 하는 단열성 합금강.A heat-insulating alloy steel comprising 0.1 to 0.5% by weight of C, 3.0 to 7.0% by weight of Si, 5.0 to 18% by weight of Ni, and 0.5 to 8.0% by weight of Cr, with the balance consisting essentially of Fe. 제1항에 있어서, 상기 합금강은 0 내지 2.0중량% 이상의 Mn, 0 내지 2.0중량% 이상의 Al, 및 0 내지 2.0중량% 이상의 Mo으로 이루어진 그룹으로부터 선택된 적어도 하나의 원소를 더 함유하는 것을 특징으로 하는 단열성 합금강.The method of claim 1, wherein the alloy steel further comprises at least one element selected from the group consisting of 0 to 2.0% by weight of Mn, 0 to 2.0% by weight of Al, and 0 to 2.0% by weight of Mo. Insulating alloy steel. 제1항에 있어서, 상기 합금강은 매트릭스 금속 조직에서 30% 이상의 면적율을 갖는 마르텐사이트상을 갖는 것을 특징으로 하는 단열성 합금강.The insulated alloy steel according to claim 1, wherein the alloy steel has a martensite phase having an area ratio of 30% or more in a matrix metal structure. 제1항에 있어서, 상기 합금강은 실내 온도에서 573K까지의 온도 범위에서 20 W/mㆍK 이하의 열전도율과, 상기 온도 범위에서 9 내지 17 ×10-6/K의 열팽창 계수를 갖는 것을 특징으로 하는 단열성 합금강.The method of claim 1, wherein the alloy steel has a thermal conductivity of 20 W / m · K or less in the temperature range of room temperature up to 573K, and a thermal expansion coefficient of 9 to 17 × 10 -6 / K in the temperature range Insulating alloy steel. 제1항에 있어서, 상기 합금강은 300Hv 이상의 경도와 400 N/㎟ 이상의 인장 강도를 갖는 것을 특징으로 하는 단열성 합금강.The heat-insulated alloy steel according to claim 1, wherein the alloy steel has a hardness of 300 Hv or more and a tensile strength of 400 N / mm 2 or more. Al계 용융 금속과 접촉하는 표면을 갖고, 0.1 내지 0.5중량%의 C, 3.0 내지 7.0중량%의 Si, 5.0 내지 18중량%의 Ni, 및 0.5 내지 8.0중량%의 Cr를 함유하고, 잔부가 실질적으로 Fe로 이루어진 것을 특징으로 하는 다이 캐스팅 기계 부품.Having a surface in contact with the Al-based molten metal, containing 0.1 to 0.5% by weight of C, 3.0 to 7.0% by weight of Si, 5.0 to 18% by weight of Ni, and 0.5 to 8.0% by weight of Cr, with the balance being substantially Die casting machine parts, characterized in that consisting of. 제6항에 있어서, 상기 다이 캐스팅 기계 부품은 0 내지 2.0중량% 이상의 Mn, 0 내지 2.0중량% 이상의 Al, 및 0 내지 2.0중량% 이상의 Mo으로 이루어진 그룹으로부터 선택된 적어도 하나의 원소를 더 함유하는 것을 특징으로 하는 다이 캐스팅 기계 부품.7. The die casting machine part according to claim 6, wherein the die casting machine part further contains at least one element selected from the group consisting of 0 to 2.0% by weight of Mn, 0 to 2.0% by weight of Al, and 0 to 2.0% by weight of Mo. Featuring die casting machine parts. 제6항에 있어서, 상기 다이 캐스팅 기계 부품은 매트릭스 금속 조직에서 30% 이상의 면적율을 갖는 마르텐사이트상을 갖는 것을 특징으로 하는 다이 캐스팅 기계 부품.7. The die casting machine part according to claim 6, wherein the die casting machine part has a martensite phase having an area ratio of at least 30% in the matrix metallographic structure. 제6항에 있어서, 상기 다이 캐스팅 기계 부품은 실내 온도에서 573K까지의 온도 범위에서 20 W/mㆍK 이하의 열전도율과, 상기 온도 범위에서 9 내지 17 ×10-6/K의 열팽창 계수를 갖는 것을 특징으로 하는 다이 캐스팅 기계 부품.7. The die casting machine part according to claim 6, wherein the die casting machine part has a thermal conductivity of 20 W / mK or less in a temperature range of up to 573 K at room temperature, and a thermal expansion coefficient of 9 to 17 x 10 -6 / K in the temperature range. Die casting machine parts, characterized in that. 제6항에 있어서, 상기 다이 캐스팅 기계 부품은 300Hv 이상의 경도와 400 N/㎟ 이상의 인장 강도를 갖는 것을 특징으로 하는 다이 캐스팅 기계 부품.The die casting machine part according to claim 6, wherein the die casting machine part has a hardness of at least 300 Hv and a tensile strength of at least 400 N / mm 2. Al계 용융 금속과 접촉하는 표면을 갖고, 0.1 내지 0.5중량%의 C, 5.0 내지 40.0중량%의 Ni, 그리고 Cr, Mo, V, Nb, Ta, Ti 및 Zr로 이루어진 그룹으로부터 선택된 0.5 내지 10.0중량%의 적어도 하나의 탄화물 형성 원소를 함유하는 Fe기 합금으로 제조된 다이 캐스팅 기계 부품에 있어서, 상기 다이 캐스팅 기계 부품은 Al계 용융 금속과 접촉하는 표면을 포함하는 표면 부분에서 Al계 용융 금속과의 선택적인 확산 반응에 의해 형성된 고밀도 탄화물층을 갖는 것을 특징으로 하는 다이 캐스팅 기계 부품.0.5 to 10.0 weight having a surface in contact with the Al-based molten metal, selected from the group consisting of 0.1 to 0.5 wt% C, 5.0 to 40.0 wt% Ni, and Cr, Mo, V, Nb, Ta, Ti and Zr A die casting machine part made of an Fe-based alloy containing at least one carbide forming element in%, wherein the die casting machine part has an Al-based molten metal at a surface portion including a surface in contact with the Al-based molten metal. A die casting machine part, characterized by having a high density carbide layer formed by a selective diffusion reaction. 한쌍의 고정 다이 및 가동 다이와, 고정 다이에 마련된 주입구 부싱과, 주입구 부싱에 연결되고 주입된 용융 금속 수용부 및 가압 실린더로서의 역할을 하는 사출 슬리브와, 주입된 Al계 용융 금속을 사출 슬리브 내로 가압하여 한쌍의 다이의 공동부 내로 장입하기 위한 플런저, 및 플런저용 구동 기구를 포함하는 Al계 다이 캐스팅 금속 성형용 다이 캐스팅 기계에 있어서, 상기 한쌍의 다이, 상기 사출 슬리브 및 상기 플런저로 이루어진 그룹으로부터 선택된 적어도 하나의 부재가 제6항 또는 제11항의 다이 캐스팅 기계 부품을 구성하는 것을 특징으로 하는 다이 캐스팅 기계.A pair of fixed dies and movable dies, an inlet bushing provided in the fixed die, an injection sleeve connected to the inlet bushing and serving as a pressurized cylinder, and an injected Al-based molten metal into the injection sleeve An Al-based die casting metal forming die casting machine comprising a plunger for charging into a cavity of a pair of dies, and a drive mechanism for the plunger, the die casting machine comprising: at least one selected from the group consisting of the pair of dies, the injection sleeve and the plunger A die casting machine, wherein one member constitutes the die casting machine part of claim 6. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019970010910A 1996-03-28 1997-03-27 Insulating Alloy Steel and Die Casting Machine Parts KR970065757A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP7388496A JPH09262655A (en) 1996-03-28 1996-03-28 Die casting machine parts and die casting machine using them
JP7388396A JPH09263897A (en) 1996-03-28 1996-03-28 Heat insulating alloy steel
JP96-073884 1996-03-28
JP96-073883 1996-03-28

Publications (1)

Publication Number Publication Date
KR970065757A true KR970065757A (en) 1997-10-13

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KR1019970010910A KR970065757A (en) 1996-03-28 1997-03-27 Insulating Alloy Steel and Die Casting Machine Parts

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EP (1) EP0798395B1 (en)
KR (1) KR970065757A (en)
DE (1) DE69702468T2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100849255B1 (en) * 2000-09-22 2008-07-29 브이.디.에스. 배큠 다이케스팅 서비스 에스에이 Diecasting valve

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002001593A (en) * 2000-06-16 2002-01-08 Takeda Chem Ind Ltd Punch and die for tablet machine
TW201729922A (en) * 2015-10-22 2017-09-01 艾克科技公司 Shot sleeve for die casting apparatus and method of fabricating same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1654370A1 (en) * 1989-06-29 1991-06-07 Научно-Производственное Объединение Технологии Автомобильной Промышленности Cast steel for dies
JPH046247A (en) * 1990-04-23 1992-01-10 Nippon Steel Corp Steel for waste incineration furnace boiler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100849255B1 (en) * 2000-09-22 2008-07-29 브이.디.에스. 배큠 다이케스팅 서비스 에스에이 Diecasting valve

Also Published As

Publication number Publication date
EP0798395A2 (en) 1997-10-01
DE69702468T2 (en) 2001-03-08
EP0798395A3 (en) 1997-12-03
DE69702468D1 (en) 2000-08-17
EP0798395B1 (en) 2000-07-12

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