Open AccessJournal Article10.1016/J.JMATPROTEC.2009.06.003

A multiple-gate runner system for gravity casting

- 19 Aug 2009

- Journal of Materials Processing Technolo...

- Vol. 209, Iss: 17, pp 5736-5750

TL;DR: In this paper, a guideline for constructing two geometries of L-junctions was developed using computational modeling, and the L-shaped junctions in running and gating systems used in aluminum gravity casting have been investigated.

About: This article is published in Journal of Materials Processing Technology. The article was published on 19 Aug 2009. and is currently open access. The article focuses on the topics: Casting (metalworking) & Sand casting.

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Campbell et al. this paper showed that the L-shaped runners can achieve a high coefficient of discharge, without entrapping detrimental oxide film defects because of the smooth flow.

Figure 8 In the 2-D L1-junction, the dimensions; the base-radius Rb, the inner-radius Ri,

Figure 9 The outlet-dimension O versus inlet-dimension I for the L1 and L5 junctions with various inlet-velocity Vi computed in 2D.

Figure 4 the simulation geometry for the 3-dimensional “L-shape” of the sprue-runner junction.

Figure 3. A series of frames for the 2D modelling result of the L5-juncton Vi 2 Io 24.

Figure 14 The estimation result of the launch velocity Vo versus to time for the L-shape sprue-runner

Figure 12 The experimental results of a series of real-time X- radiographies for the L-shape

Citations

•Journal Article•10.1016/J.ADDMA.2018.12.009

Novel sprue designs in metal casting via 3D sand-printing

Santosh Reddy Sama, +3 more

- 01 Jan 2019

- Additive manufacturing

TL;DR: In this article, 3D Sand-Printing (3DSP) has been used to improve the quality of metal castings by enabling fabrication of complex gating systems via 3DSP.

...read moreread less

•Journal Article•10.1016/J.MSPRO.2014.07.095

Casting Design and Simulation of Cover Plate Using AutoCAST-X Software for Defect Minimization with Experimental Validation☆

C. M. Choudhari, +2 more

- 01 Jan 2014

- Procedia Materials Science

TL;DR: In this paper, an attempt has been made to carry out the entire methoding, simulation and optimization in AutoCAST X software which is based on Vector Gradient Method (VGM). All the design parameters have been set properly in numerical simulation software so that entire shrinkage porosity should get shifted in the feeder.

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Castings Practice: the 10 Rules of Castings

Jordi Tartera Barrabeig

- 01 Jan 2004

Journal Article•10.1016/J.MSEA.2014.12.058

Characteristics of mold filling and entrainment of oxide film in low pressure casting of A356 alloy

Shan-Guang Liu, +5 more

- 25 Feb 2015

- Materials Science and Engineering A-stru...

TL;DR: In this paper, the effect of mold filling speed on mold filling and mechanical properties of A356 alloy was studied using two phase flow model using VOF (Volume of Fluid) method.

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Journal Article•10.1007/S00170-015-7566-4

Mold structure design and casting simulation of the high-pressure die casting for aluminum automotive clutch housing manufacturing

Seong Il Jeong, +4 more

- 19 Sep 2015

- The International Journal of Advanced Ma...

TL;DR: In this article, a mold design based on the casting simulation and mold structural simulation is presented for automotive clutch housing aluminum parts in a high-pressure die casting process, where a gating system with five gates is designed.

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References

•Book

Introduction to Fluid Mechanics

Robert W. Fox, +1 more

- 01 Jan 1973

TL;DR: In this article, the physical concepts of fluid mechanics and methods of analysis, beginning from first principles, are discussed, and a more orderly approach to problem solving is presented, starting from basic equations, states all assumptions clearly, and relates results to expected physical behavior with the aid of 103 example problems.

...read moreread less

2.4K

Book Chapter•10.1007/978-94-011-1550-6_2

Introduction of fluid mechanics

Malcolm J. McPherson

- 01 Jan 1993

TL;DR: A fluid is a substance in which the constituent molecules are free to move relative to each other, and in a solid, the relative positions of molecules remain essentially fixed under non-destructive conditions of temperature and pressure.

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1.8K

Friction factors for pipe flow

L. F. Moody

- 01 Jan 1944

1.5K

•Book

Castings practice : the 10 rules of castings

Campbell, John, Mafs

- 01 Jan 2004

TL;DR: The liquid metal defects Random defects due to liquid surface damage Geometric defects Due to liquid arrest Bubble damage: Core outgassing damage: Shrinkage damage Convection damage Segregation damage Residual stresss Location points as mentioned in this paper

...read moreread less

Castings Practice: the 10 Rules of Castings

Jordi Tartera Barrabeig

- 01 Jan 2004

A multiple-gate runner system for gravity casting

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Citations

Novel sprue designs in metal casting via 3D sand-printing

Casting Design and Simulation of Cover Plate Using AutoCAST-X Software for Defect Minimization with Experimental Validation☆

Castings Practice: the 10 Rules of Castings

Characteristics of mold filling and entrainment of oxide film in low pressure casting of A356 alloy

Mold structure design and casting simulation of the high-pressure die casting for aluminum automotive clutch housing manufacturing

References

Introduction to Fluid Mechanics

Introduction of fluid mechanics

Friction factors for pipe flow

Castings practice : the 10 rules of castings

Castings Practice: the 10 Rules of Castings

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