近年來，射出成型機的發展趨勢漸漸走向全電式射出成型機，原因在於全電式射出成型機相較於一般射出成型機佔有一定的優勢，潔靜、省能源、精度高和重現性高等優點讓全電式射出成型機的發展更為積極。而且由於綠色環保意識抬頭，促使產業結構迅速變化，省能源且快速化的精密射出將是未來的趨勢。

　　本研究室已經設計且製造出一台全電式無導柱射出成型機，特別在鎖模單元上有別於一般的全電式射出成型機，取代有四根導柱的鎖模系統，由於沒有導柱的限制，使模具擁有較大的利用空間。
本文研究目的為發展控制器來控制全電式無導柱射出成型機，並修改射出成型機之射出單元，完成一台可真正射出的全電式無導柱射出成型機。

　　In recent years, the trend of the injection molding machine development is all-electric injection molding machine because the advantages of an all-electric injection molding machine are clean operation, low noise, energy saving and better accuracy. The industry structure changes rapidly because of green environmental consciousness, and thus the trend of the injection molding machine development is that saving energy and quick precision injection.

　　A prototype of an all-electric tiebarless injection molding machine is successfully designed, fabricated, and assembled in this study. It provides larger space for large mold in a small machine, and thus the mold changing will be quicker.

　　The purposes of this study are the design and development of the controller, and the modification of the injection unit of all-electric tiebarless injection molding machine.

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