EP2756898A3 - Method for the production of castings for electrical applications - Google Patents

Method for the production of castings for electrical applications Download PDF

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Publication number
EP2756898A3
EP2756898A3 EP14000063.9A EP14000063A EP2756898A3 EP 2756898 A3 EP2756898 A3 EP 2756898A3 EP 14000063 A EP14000063 A EP 14000063A EP 2756898 A3 EP2756898 A3 EP 2756898A3
Authority
EP
European Patent Office
Prior art keywords
castings
die casting
casting mold
production
electrical applications
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
EP14000063.9A
Other languages
German (de)
French (fr)
Other versions
EP2756898B1 (en
EP2756898A2 (en
Inventor
András Bárdos Dr.-Ing.
Bauer Steffen
Walczer Csaba
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.)
Kienle and Spiess GmbH
Original Assignee
Kienle and Spiess GmbH
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 Kienle and Spiess GmbH filed Critical Kienle and Spiess GmbH
Publication of EP2756898A2 publication Critical patent/EP2756898A2/en
Publication of EP2756898A3 publication Critical patent/EP2756898A3/en
Application granted granted Critical
Publication of EP2756898B1 publication Critical patent/EP2756898B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/08—Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled
    • B22D17/10—Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled with horizontal press motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/2015—Means for forcing the molten metal into the die
    • B22D17/2069—Exerting after-pressure on the moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
    • B22D17/2209—Selection of die materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/32—Controlling equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/0054—Casting in, on, or around objects which form part of the product rotors, stators for electrical motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

Bei dem Verfahren werden aushärtbare Aluminiumlegierungen verwendet, die geschmolzen und in eine Druckgussform (4) eingebracht werden. Um die Gussteile in kostengünstiger Weise mit geringem Zeitaufwand herstellen zu können, besteht die Druckgussform (4) aus einem Material, das eine solche Wärmeleitfähigkeit hat, dass die Legierungsschmelze in der Druckgussform (4) mit einer Abkühlgeschwindigkeit von etwa ≥ 5x102 K/s abgekühlt wird. Durch diese hohe Abschreckgeschwindigkeit wird ein übersättigter Mischkristall gebildet, der keiner zusätzlichen Wärmebehandlung mehr bedarf. Auf diese Weise wird eine hochfeste aushärtbare Aluminiumlegierung gebildet, die sich hervorragend zur Herstellung von Gussteilen für elektrische Anwendungen eignet.

Figure imgaf001
In the process, hardenable aluminum alloys are used, which are melted and introduced into a die casting mold (4). In order to produce the castings in a cost-effective manner in a short time, the die casting mold (4) is made of a material having such a thermal conductivity that the alloy melt in the die casting mold (4) is cooled at a cooling rate of about ≥ 5x10 2 K / s becomes. Due to this high quenching rate, a supersaturated mixed crystal is formed which no longer requires any additional heat treatment. In this way, a high-strength hardenable aluminum alloy is formed, which is ideal for the production of castings for electrical applications.
Figure imgaf001
EP14000063.9A 2013-01-17 2014-01-09 Method for the production of castings for electrical applications Active EP2756898B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013000746.1A DE102013000746A1 (en) 2013-01-17 2013-01-17 Method for producing castings for electrical applications

Publications (3)

Publication Number Publication Date
EP2756898A2 EP2756898A2 (en) 2014-07-23
EP2756898A3 true EP2756898A3 (en) 2017-10-18
EP2756898B1 EP2756898B1 (en) 2020-12-02

Family

ID=49943157

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14000063.9A Active EP2756898B1 (en) 2013-01-17 2014-01-09 Method for the production of castings for electrical applications

Country Status (7)

Country Link
US (1) US20140196862A1 (en)
EP (1) EP2756898B1 (en)
JP (1) JP6488072B2 (en)
DE (1) DE102013000746A1 (en)
ES (1) ES2853579T3 (en)
HU (1) HUE053299T2 (en)
MX (1) MX2014000520A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015151369A1 (en) * 2014-03-31 2015-10-08 アイシン軽金属株式会社 Aluminum alloy and die casting method
US9839959B2 (en) 2014-12-17 2017-12-12 GM Global Technology Operations LLC Center circular gating design for squeeze casting induction rotor core
CN105598414B (en) * 2016-01-15 2018-03-23 江苏飞亚金属制品有限公司 Surface anti-skidding type aluminium alloy step pedal preparation technology
CN106077558B (en) * 2016-06-20 2018-07-13 中北大学 A kind of method and system of aluminium alloy semi-solid extrusion casint

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008020763A1 (en) * 2006-08-18 2008-02-21 Magontec Gmbh Combination of casting process and alloy composition
EP2465624A1 (en) * 2010-12-20 2012-06-20 Kienle + Spiess GmbH Method for producing products comprising copper or copper alloys for electric applications
WO2014051916A2 (en) * 2012-09-27 2014-04-03 Apple Inc. Injection compression molding of amorphous alloys

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05293622A (en) * 1992-04-21 1993-11-09 Mitsubishi Electric Corp Device for casting iron-core in rotor
US5522448A (en) * 1994-09-27 1996-06-04 Aluminum Company Of America Cooling insert for casting mold and associated method
JPH0941064A (en) * 1995-07-28 1997-02-10 Mitsubishi Alum Co Ltd Production of aluminum alloy for casting and aluminum alloy casting material
JPH11293375A (en) * 1998-04-14 1999-10-26 Hitachi Metals Ltd Aluminum alloy die casting with high toughness and its production
US6786272B2 (en) * 2000-11-30 2004-09-07 Copper Development Association, Inc. Apparatus and method for die casting
JP4648559B2 (en) * 2001-03-28 2011-03-09 本田技研工業株式会社 Heat-resistant aluminum die-cast product
JP2004114159A (en) * 2003-11-17 2004-04-15 Yanmar Co Ltd Pressure-resistant high-strength cast aluminum cylinder head
JP5020889B2 (en) * 2008-05-26 2012-09-05 株式会社豊田中央研究所 Al alloy die casting and method for producing the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008020763A1 (en) * 2006-08-18 2008-02-21 Magontec Gmbh Combination of casting process and alloy composition
EP2465624A1 (en) * 2010-12-20 2012-06-20 Kienle + Spiess GmbH Method for producing products comprising copper or copper alloys for electric applications
WO2014051916A2 (en) * 2012-09-27 2014-04-03 Apple Inc. Injection compression molding of amorphous alloys

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HTTPS: "Burkhard Fuchs (Autor) Salzkerntechnologie für Hohlgussbauteile im Druckguss", 25 July 2014 (2014-07-25), XP055334765, Retrieved from the Internet <URL:https://cuvillier.de/uploads/preview/public_file/8830/Leseprobe.pdf> [retrieved on 20170112] *

Also Published As

Publication number Publication date
JP6488072B2 (en) 2019-03-20
EP2756898B1 (en) 2020-12-02
HUE053299T2 (en) 2021-06-28
DE102013000746A1 (en) 2014-07-17
EP2756898A2 (en) 2014-07-23
US20140196862A1 (en) 2014-07-17
MX2014000520A (en) 2014-08-07
JP2014136258A (en) 2014-07-28
ES2853579T3 (en) 2021-09-16

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