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前言液压伺服发端于采用射流管的Askania装置,随着采用滑阀的仿形装置在车床上的应用,其应用领域急剧扩大。特别是由于和伺服阀同时研制的电液伺服的出现,使其深入到从飞机到工程机械的所有领域。
Introduction The hydraulic servo originates from the Askania device with a jet tube. With the application of a profiler on a lathe with a slide valve, the field of application is rapidly expanding. Especially due to the servo valve developed at the same time with the emergence of electro-hydraulic servo, making it deep into all fields from aircraft to construction machinery.