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阐述了塑料空气老化试验箱改造前的机械构成和技术要求,并通过对控制方案的选择和控制装置硬件的比较,将计算机集中控制方案作为该控制装置的技术改造方案。改造后的试运行表明试验箱温控精度高、功能齐全、自动化程度高,达到了改造目的。
The mechanical composition and technical requirements of the plastic air aging chamber before the transformation are expounded. The computer centralized control scheme is taken as the technological transformation scheme of the control device through the selection of the control scheme and the hardware of the control device. After the transformation of the trial run that chamber temperature control accuracy, full-featured, high degree of automation, to achieve the purpose of transformation.