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pressure riserless casting

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Published: 01 December 2008
Fig. 13 Schematic of vacuum riserless/pressure riserless casting machine More
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Published: 30 November 2018
Fig. 15 Schematic of vacuum riserless/pressure riserless casting machine. Source: Ref 4 More
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Published: 01 December 2008
Fig. 12 Example of vacuum riserless/pressure riserless cast automotive chassis and suspension components More
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Published: 30 November 2018
Fig. 17 Example of vacuum riserless/pressure riserless cast automotive chassis and suspension components More
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
... Abstract This article provides an overview of conventional low-pressure casting and describes types of furnaces, tooling, and cores. It discusses the casting cycle steps, advantages, mechanical properties, and considerations of counterpressure casting. The article describes the vacuum riserless...
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Published: 01 December 2008
Fig. 14 Vacuum riserless/pressure riserless production casting machine. Courtesy of CMI Equipment and Engineering, Inc., AuGres, MI More
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Published: 30 November 2018
Fig. 16 Vacuum riserless/pressure riserless production casting machine. Courtesy of CMI Equipment and Engineering, Inc., AuGres, Mich. More
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Published: 15 June 2019
Fig. 30 Fatigue crack growth rate ( R = 0.1) vs. stress-intensity factor at room temperature for A356.0-T6 aluminum alloy castings produced by various processes. VRC/PRC, vacuum riserless casting/pressure riserless casting More
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Published: 15 June 2019
Fig. 31 Fatigue crack growth rate ( R = 0.5) vs. stress-intensity factor at room temperature for A356.0-T6 aluminum alloy castings produced by various processes. VRC/PRC, vacuum riserless casting/pressure riserless casting More
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
... Nonferrous and metal-matrix composites (MMCs) 3 Yes Medium to large …   Tilt pour Nonferrous 3 Yes Medium to large …  Low-pressure permanent mold (LPPM)   Standard LPPM Light metals 3 Yes Medium …   Vacuum riserless casting/pressure   riserless casting Aluminum 3 Yes Medium...
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
... strength of rotating components. Vacuum can also increase the operating window for the parameters of the die casting machine. Vacuum Riserless Casting (VCR) Vacuum riserless casting (VCR) is a variation of low-pressure die casting that uses vacuum alone to draw metal into the die. The VCR process...
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
... Riserless Casting (VRC) The use of vacuum rather than pressure to introduce molten metal into steel dies has significant advantages over low pressure casting. The molten metal bath is open and accessible. Molten metal level can be maintained within a narrow range in close proximity to the mold entry...
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006568
EISBN: 978-1-62708-210-5
... castings. USCAR, United States Consortium for Automotive Research; PM, permanent mold; VRC, vacuum riserless casting; PRC, pressure riserless casting. Source: Ref 7 Like alloy 357.0, small adjustments to the magnesium content and/or the heat treatment of alloys 356.0 and A356.0 can produce a wide...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0009015
EISBN: 978-1-62708-187-0
...)   Standard LPPM Light metals 3 Yes Medium …   Vacuum riserless casting/pressure riserless casting Aluminum 3 Yes Medium …   Counterpressure casting/pressure-counterpressure casting Aluminum 3 Yes Medium … Countergravity casting All 3 … Small … High-pressure die casting...
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
... sand, chemically bonded sand, plaster mold, and investment casting. Important variations include molding and pattern distinctions such as lost foam (evaporative pattern), shell and V-mold, and process derivatives such as squeeze casting, low-pressure permanent mold, vacuum riserless casting...
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
... include molding and pattern distinctions such as lost foam (evaporative pattern), shell and V-mold, and process derivatives such as squeeze casting, low-pressure permanent mold, vacuum riserless casting, and semisolid forming based on rheocasting/thixocasting principles. Of these casting methods, high...
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006548
EISBN: 978-1-62708-210-5
... the relative castability of aluminum foundry alloys in terms of four criteria: Resistance to hot cracking Pressure tightness (i.e., lack of porosity) Fluidity Shrinkage tendency Ratings of castability, corrosion resistance, machinability, and weldability for aluminum casting alloys, 1, best...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005325
EISBN: 978-1-62708-187-0
... shrinkage of CG iron, it can be cast riserless. Expensive pattern changes are therefore not necessary when converting from FG iron to CG iron, because the same gating and risering techniques can be applied. Riserless casting produces higher casting yields. Yields for large castings vary between 65 and 75...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006340
EISBN: 978-1-62708-179-5
.... A uniform temperature (±20 °C, or ±35 °F, according to the length of the casting and the number of gates) allows the casting to start its solidification at an equilibrium status, essential for the implementation of a riserless technique. Pouring temperature is very important and directly connected...