1-20 of 429 Search Results for

vacuum high-pressure die casting

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005276
EISBN: 978-1-62708-187-0
... Abstract Vacuum high-pressure die casting uses a vacuum pump to evacuate the air and gases from the die casting die cavity and metal delivery system before and during the injection of molten metal. This article describes the conventional die casting, vacuum die casting, and high-pressure die...
Image
Published: 01 December 2008
Fig. 1 A vacuum high-pressure die casting system for casting aluminum. Source: Adapted from schematic courtesy of NADCA More
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005266
EISBN: 978-1-62708-187-0
... liquid metal into the shot sleeve prior to injection into the cavity. Vacuum is used not only in conventional high-pressure die casting but also to some degree in the high-integrity processes of squeeze casting and SSM casting. There is another term, high vacuum die casting , which describes a process...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006525
EISBN: 978-1-62708-207-5
... Abstract Nearly two-thirds of the aluminum castings made in North America are produced using high-pressure die casting techniques. This article compares and contrasts traditional high-pressure die casting with an improved version that uses a vacuum to pull air out of the die in order to reduce...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005187
EISBN: 978-1-62708-187-0
..., such as permanent mold; and high-pressure metal mold methods, such as die casting, squeeze casting, and semisolid processing. The categories and subcategories of shape casting processes are illustrated in Fig. 1 and are described in more detail in other articles of this Volume. Each shape casting process has...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005261
EISBN: 978-1-62708-187-0
.../pressure riserless casting process for casting aluminum. metal casting furnaces pressure riserless casting casting aluminum low-pressure casting vacuum riserless LOW-PRESSURE METAL CASTING has been used since the 1950s to produce high-volume, high-integrity castings in alloys ranging from...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006524
EISBN: 978-1-62708-207-5
... presents the advantages and disadvantages of green sand casting, permanent mold casting, semipermanent mold casting, and high-pressure die casting. A discussion on other casting processes, such as investment casting, lost foam, plaster mold casting, pressure casting, centrifugal casting, and semisolid...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003420
EISBN: 978-1-62708-195-5
... Abstract Metal-matrix composites (MMCs) are a class of materials with a wide variety of structural, wear, and thermal management applications. This article discusses the primary processing methods used to manufacture discontinuous aluminum MMCs, namely, high-pressure die casting, pressure...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006488
EISBN: 978-1-62708-207-5
... main methods of MMC solidification processing. It describes the MCC casting methods, such as sand and permanent mold casting, centrifugal casting, compocasting, and high-pressure die casting. The article discusses the MMC infiltration processes in terms of pressure infiltration casting and liquid metal...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003172
EISBN: 978-1-62708-199-3
... molds Colloidal silica bond Plaster bond Counter-gravity low-pressure casting Permanent mold processes Die casting High-pressure die casting Low-pressure die casting Gravity die casting (permanent mold) (a) Centrifugal casting Vertical centrifugal casting...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003175
EISBN: 978-1-62708-199-3
... process based on process requirements is pressure die casting, in which more than the usual measures of castability apply. The process demands a high level of fluidity, hot strength, hot tear resistance, and die soldering resistance. Chemical compositions of aluminum casting alloys are given...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005200
EISBN: 978-1-62708-187-0
... compositional tolerances Precise temperature control Low level of environmental pollution from dust output Removal of undesired trace elements with high vapor pressures Removal of dissolved gases, for example, hydrogen and nitrogen Vacuum induction melting is indispensable in the manufacture...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006513
EISBN: 978-1-62708-207-5
... by gravity, low pressure, vacuum and centrifugal pressure, and squeeze casting. The process of high-pressure die casting (HPDC) is described in more detail in the article “Die Casting of Aluminum Alloys” in this Volume. The HPDC process is ideal to economically cast metals with low melting points...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005292
EISBN: 978-1-62708-187-0
... Abstract High-pressure die casting is a fast method for the net shape manufacturing of parts from nonferrous alloys. This article reviews the automation technologies for the different stages or steps of the process. These steps include liquid metal pouring, injection, solidification, die open...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005348
EISBN: 978-1-62708-187-0
... G modulus of rigidity; thermal gradient ACI Alloy Casting Institute CVM control volume method Gc concentration gradient ADCI American Die Casting Institute CVN Charpy V-notch (impact test or gal. gallon ADI austempered ductile iron GFN grain neness number AFS American Foundrymen s Society specimen...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005318
EISBN: 978-1-62708-187-0
... and the need and economics of postprocessing. This article examines how design and materials selection address these diverse requirements of conventional die casting tooling. It focuses on the tooling for high-volume processes where the liquid or semisolid metal is forced into the die with high pressure...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005287
EISBN: 978-1-62708-187-0
..., and semisolid forming based on rheocasting/thixocasting principles. Of these casting methods, high-pressure die casting of aluminum is the dominant nonferrous casting process ( Fig. 1 ). Fig. 1 Nonferrous casting processes by tons poured. Source: From data of AFS 2002 survey. This article provides...
Book Chapter

By Justin Heimsch
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005273
EISBN: 978-1-62708-187-0
... in thixocasting. The article illustrates the differences between a conventional high-pressure die-casting injection profile and the thixocasting injection profile used to produce the same part. thixocasting billet sawing rheological tests high-pressure die-casting injection SEMISOLID METAL CASTING...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005255
EISBN: 978-1-62708-187-0
...-purpose slurry. (c) A high-strength slurry used for ceramic shell molds for castings with heavy sections and for applications in which high wax pressure during meltout and high metal pressure are used. (d) Modified with silica; used with castings with small cored holes from which cores are removed...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005306
EISBN: 978-1-62708-187-0
.... In terms of shape casting, the percentage of nonferrous shape casting tonnage is roughly as follows ( Ref 1 ): Aluminum high-pressure die casting, 54% Aluminum sand and permanent mold casting, 12% Zinc high-pressure die casting, 11% Aluminum lost foam casting, 10% Sand mold casting...