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KMID : 0896219780040010057
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Journal of Daegu Health College
1978 Volume.4 No. 1 p.57 ~ p.60
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A STUDY ON THE EFFECTS OF INVESTMENT FACTORS ON CASTING
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Shin Moo-Hak
Bae Bong-Jin
Kim Myeong-Hwan
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Abstract
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This experiment was intended to obtain a perfect casting body the same as the original wax patterns by melting metal into the opening of the ring. The investment ring was dried to the temperature between 600℃ and 700℃, when the wax pattern would be completely melted to leave an empty mould made in the ring. The main point to studied was the investing process for perfect casting body. This process was experimented on several important factors the size and spatulation of investment particles, purity of wax patterns, investing time after the completion of model, and investing temperature. The results obtained from the above experiment were as follows : A desirable cast body with no fissure or pore would be mode by investing with smaller particles in the first time and with larger ones in the second, both at the temperature between 180℃.
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KEYWORD
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