Control method for vacuum laminating apparatus, method for preventing defective forming of vacuum laminating apparatus, and vacuum laminating apparatus

摘要

PROBLEM TO BE SOLVED: To prevent a positional deviation of a laminated molded product at the time of molding in a chamber of a vacuum laminating apparatus, and to eliminate a cause of positional deviation. And a vacuum laminating apparatus. SOLUTION: An upper plate 12 and a lower plate 13 are closed to form a chamber C capable of vacuum suction by a vacuum pump 14, and an elastic film body 15 or an elastic plate provided on at least one of the plates 12 and 13. In the control method of the vacuum laminating apparatus 11 which swells or projects into the chamber C to pressurize the laminated molded product M, in order to prevent the positional displacement of the laminated molded product M in the chamber C, The rotation speed of the vacuum pump 14 at the start of vacuum suction is set to be lower than the rotation speed of the vacuum pump 14 after a predetermined time has elapsed after closing the chamber or in the pressurizing step. [Selection diagram] Fig. 4