A manufacturing method includes a preparing step, an intermediate pressing step, a heating step, and a hot stamping step. In the preparing step, a blank is prepared. In the intermediate pressing step, press working is applied to the blank to produce an intermediate formed product. In the heating step, the intermediate formed product is heated. In the hot stamping step, press working is applied to the intermediate formed product to produce a panel-like formed product. In the hot stamping step, a machine including a first die, a second die, a punch, and a blank holder is used. While the intermediate formed product is pinched between the first die and the punch, the second die and the blank holder are moved relative to the first die and the punch, and thereby, the panel-like formed product is produced.
Panel-like formed product and manufacturing method thereof
2020-09-01
Patent
Electronic Resource
English
IPC: | B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL , Bearbeiten oder Verarbeiten von Blechen, Metallrohren, -stangen oder -profilen ohne wesentliches Abtragen des Werkstoffs / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge |
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