| 摘要 |
PROBLEM TO BE SOLVED: To provide a die casting machine, which can improve the quality of cast products by precisely controlling the pressure in a pressure increasing process. SOLUTION: In the die casting machine, an electric servomotor is used as a driving source in the pressure increasing process, wherein the pressure increasing process is performed by driving the electric servomotor by the pressure feedback control. COPYRIGHT: (C)2007,JPO&INPIT
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