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真空成形是一种超塑成形工艺,该工艺是用气压差使超塑材料在金属型腔内成形,这种方法也被称之为拉伸成形,所用的压力限于大气压(100kPa),因此成形率和生产率都受到一定的限制。吹制成形,需用气缸额外加压,可能的限制就是系统压力的额定值和气源的压力,该工艺所用的常规最大压力
Vacuum forming is a superplastic forming process that involves forming a superplastic material in a metal cavity by using a pressure difference. This method, also known as stretch forming, uses pressure limited to atmospheric pressure (100 kPa), so the forming rate And productivity are subject to certain restrictions. Blow molding, the need for additional cylinder pressure, the possible limitations are the system pressure rating and the pressure of the gas source, the process used by the conventional maximum pressure