Journal of Japan Foundry Engineering Society
Online ISSN : 2185-5374
Print ISSN : 1342-0429
ISSN-L : 1342-0429
Effects of Sand Grain Size Distribution on Strength of Mold
Osamu Tsumura, Hideki Narita, Daisuke Tomigashi, Misao Okino, Keiji Miyauchi
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Keywords: compactability, energy saving, factory management, mold, molding, sand, sand control, self-hardening, system sand
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2009 Volume 81 Issue 2 Pages 77-82

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Abstract
  It is well known that the changes in added resin ratio affect mold compression strength. The results of this test show that changes in sand grain distribution also change mold compression strength. The influence of sand grain distribution change on mold strength was discussed by studying the changes in apparent specific gravity, permeability, and other elements which depend on characteristics of the contact point between sand grains.
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© 2009 Japan Foundry Engineering Society
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