OPTICAL MOLDING APPARATUS

PURPOSE:To eliminate the problems of the fluctuation in amount of light irradiation and the deviation of the reflecting direction without using a conventional high-speed shutter in an optical molding apparatus, which molds a solid molded material having a specified shape by casting a light beam on t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHIKICHI CHIAKI, KONDO NOBUYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PURPOSE:To eliminate the problems of the fluctuation in amount of light irradiation and the deviation of the reflecting direction without using a conventional high-speed shutter in an optical molding apparatus, which molds a solid molded material having a specified shape by casting a light beam on the surface of light-hardening resin in a resin bath and hardening the light-hardening resin. CONSTITUTION:As a laser source, a pulse-laser-light oscillating device 4 is provided. The laser light from the pulse-laser-light oscillating device 4 is cast on the surface of light-hardening resin 2 in a resin bath 1 through galvano- mirrors 6 and 7. A controller 8 forms a pulse-shaped driving signal, which turns the galvano-mirrors 6 and 7 by one pitch within a period wherein the intensity of the laser light is decreased to zero. The signal is supplied into rotating mechanisms 61 and 71 of the galvano-mirrors.