Studying compactibility and uniformity of green molding sand by gamma-ray attenuation
✍ Scribed by Jun Wang; Hong-Zhang Geng; Yin Zheng; Bo Wang; Xiao-Fei Liao
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 782 KB
- Volume
- 268
- Category
- Article
- ISSN
- 0168-583X
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✦ Synopsis
The compactibility and the uniformity of green molding sand have been investigated by the gamma-ray attenuation. A simple measurement formula was established to measure the compactibility and the relative error was analyzed. In order to estimate the uniformity, the c-ray tomography was used to observe the foreign substances in the dried molding sand samples with a self-designed simple setup. The results indicated that the c-ray tomography can be considered as an effective means for estimating the uniformity. Furthermore, a feasible detection and control method was developed to improve the procedure of green molding sand production. However, the compactibility measurement should be based on the premise of the uniformity estimation.