Modeling of Air Venting in Pressure Die Casting Process

[+] Author and Article Information
A. Nouri-Borujerdi

School of Mechanical Engineering, Sharif University of Technology, P.O. Box 11365-9567, Tehran, Irane-mail: anouri@sharif.edu

J. A. Goldak

Carleton University, Mechanical and Aerospace Engineering Department, Ottawa ON K1S 5B6, Canadae-mail: jgoldak@mrco2.carleton.ca

J. Manuf. Sci. Eng 126(3), 577-581 (Sep 07, 2004) (5 pages) doi:10.1115/1.1767187 History: Received October 01, 2002; Revised January 01, 2004; Online September 07, 2004
Copyright © 2004 by ASME
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The schematic of a die casting system with an air vent
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The Mach numbers at the inlet and outlet of the vent vs. time
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The air pressure in the cylinder cavity vs. time
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The air pressure and residual air mass in the cylinder cavity vs. area at time t*=0.9
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The residual air mass in the cylinder cavity vs. time
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The vent fanning friction factor vs. time
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The vent fanning friction factor vs. time for DH=0.2 mm
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The vent fanning friction factor vs. Reynolds number for DH=0.2 mm




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