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Electric Actuator Developing History

Source:http://www.flowxgroup.comUpdate Time:2014-10-22Hits:

The electric actuator is the combination of executing parts and control parts. And different parts have separate working principle and function. As a matter of fact, the electric actuator the first one began with the booming of oil industry and chemical industry in 1960s and 1970s. At that time, some large pneumatic actuators and chemical manufacturers showed up and gained a lot of money. At the very beginning, there was only pneumatic actuator existing to satisfy the production demands in different fields. However, with the variety of the industry classifications and increasing production demands, the pneumatic actuator cannot satisfy some industrial demands any longer. Therefore, the electric actuator the first one with anti-explosion technology was produced to make up for the shortages of the pneumatic actuator. In addition, during the development of the electric actuator the first one, there was only pinion and rack electric actuator and promotion electric actuator existing.

The pinion and rack electric actuator uses the occlusion of the gear racks as the driving force. So in the middle of designing the gear, the gear is possible to be long and thick and reliable. When the two gears are close tightly, they are able to stick to without breaking away from each other. And when the two gears are placed 90 degrees, the two gears are able to keep their state completely. Therefore, the original pinion and rack possesses large size. And the larger the moment was, the heavier the electric actuator the first one became. Therefore, the pusher type electric actuator was manufactured, which is the promotion of the electric actuator the first one.

The pusher type electric actuator was able to satisfy the demand of anti-explosion performance. In addition, the pusher type possesses small size as well as large moment and light weight. The reason is that the pusher type electric actuator adopts promoted design of single air cylinder, dual pistons as well as pusher moment. The single cylinder made the electric actuator the first one possible to be smaller in size than any other kinds of electric actuators. In addition, in the middle of operating the electric actuator, the output moment was able to be regulated with the changes of angles. Compared to the pinion and rack electric actuator, the pusher type electric actuator needs less moment. At that time, some experts once predicted that the pusher type electric actuators was going to occupy a leading position on the future electric actuator market. As a matter of fact, the development of electric actuator the first one is going on, and more and more electric actuators have been promoted to satisfy the demands of different industrial techniques.

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