Aisin Aw Industries Co., Ltd.

Aisin Fukui Corporation

Nobuyuki Naito

Kazuo Hikida

Naruhiko Nomura

Hiroshi Fukuchi

Ken Takata

Yoichi Jinza

Akihiro Seki

A cooling method for a workpiece includes placing entirety of the workpiece in an inner space of a recess provided on a molding surface of a lower mold, pressing or restraining the workpiece by a mold including the lower mold and an upper mold in which a protrusion corresponding to the recess of the lower mold is provided on a molding surface, supplying a liquid coolant to the inner space of the recess through a coolant supply passage provided in at least one of the lower mold and the upper mold by a pump, and discharging air in the inner space of the recess upward through an air escape passage, and cooling the workpiece by immersing the entirety of the workpiece, which has been heated, in the liquid coolant that fills the recess.

Cooling method for workpiece

In a mold, at least one of a lower mold and an upper mold includes a coolant supply passage through which a liquid coolant is supplied to an inner space of a recess, and the mold includes an air escape passage through which air in the inner space of the recess is discharged upward.

Mold, mold apparatus, and cooling method for workpiece

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Echizen, Japan

Nobuyuki Naito