PRODUCTION FACILITY FOR SPEAKER DIAPHRAGM, METHOD OF MANUFACTURING SPEAKER DIAPHRAGM USING THE PRODUCTION FACILITY, AND SPEAKER DIAPHRAGM

摘要

A production facility for a speaker diaphragm capable of molding a sheet-like film material by stepwise controlling the pressure and flow of a compressed air in air-pressure molding and a method of manufacturing the diaphragm by using the production facility. Since the diaphragm can be accurately molded and the stability of the dimensions and the shape of the diaphragm can be increased, the diaphragm with high quality tone can be provided, and the productivity, quality, and reliability of the diaphragm can be increased.