منابع مشابه
Enhancing Surface Roughness of Castings When Sand-resin Mold Casting
T. Kovalyova, E. Eremin, S. Arinova, I. Medvedeva, A. Dostayeva, Karaganda State Technical University, Karaganda, Kazakhstan, Omsk State Technical University, Russia. In this connection, studies aimed at improving the obtaining process of high-quality castings of mining equipment are relevant. At the same time there is a need for studying physical and mechanical relationship of mixes in which a...
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In the early phases of the product life cycle, the costs controls became a major decision tool in the competitiveness of the companies due to the world competition. After defining the problems related to this control difficulties, we will present an approach using a concept of cost entity related to the design and realization activities of the product. We will try to apply this approach to the ...
متن کاملSand-casting technique for trans-tibial prostheses.
A sand-casting technique for trans-tibial sockets was applied to 28 amputees, and the prosthetic fit observed through transparent check sockets. The results were better than historical reports of fittings with plaster of Paris casting by qualified prosthetists. The fit was consistently and evenly larger than the stump, but total contact could be achieved by applying three (two to five) stump so...
متن کاملAn Investigation into the Effective Heat Transfer Coefficient in the Casting of Aluminum in a Green-Sand Mold
This study commences by performing an experimental investigation to measure the temperature distribution within a casting system comprising a cylindrical aluminum casting and a green-sand mold. The experimental temperature measurements are then used to compute the effective heat transfer coefficient at the mold/metal interface using four different formulae. In the temperature measurement, a sym...
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ژورنال
عنوان ژورنال: Global Journal of Engineering Sciences
سال: 2019
ISSN: 2641-2039
DOI: 10.33552/gjes.2019.03.000566