| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a vacuum device for diecast machine with an enhanced exhausting capacity. <P>SOLUTION: The vacuum device for diecast machine comprises a vacuum pump 17 to perform vacuum pressure reduction in a cavity 22 which is a space enclosed by a movable mold 15 and a moving mold 16, a chill vent 25 including an exhausting passage 23 to perform exhaustion from the cavity 22, and a connection hose 18 to connect the exhausting passage 23 to a vacuum pump 17. The connecting hose 18 has an inside diameter of 25 mm or larger and a length of 2 m or shorter. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
