Actuator is a device which facilitates motion or movement in industrial machines or equipment. This movement be linear or rotational. Actuators which facilitate linear or straight-line motion are called linear actuators. The accurate positioning of actuators and their movement are crucial aspects for the product or work piece to function correctly. The mounting position and the amount of force applied plays an important role as well. There are a variety of actuators, and to select appropriate linear actuators suited for your application there are some key factors you may want to consider. This post discusses the calculation of linear actuator position and their selection process.
Electric linear actuators find a wide usage across industries. However, designing these can be quite complex. The size of these actuators impacts the size of the machine. Additionally, when the load shifts the position on the actuator, it creates moment load thus multiplying its width and that of the machine. Apart from the load changes, this moment load also occurs owing to gravity. These moment loads can wear out the actuators in the long run. Hence, calculating moment loads on linear actuators is crucial, although it is challenging. Here are the steps for calculating moment loads:
Moment applied= load mass * hung distance * gravitational acceleration
Pitching direction moment= (load mass*acceleration*load center of gravity overhung in Z axis) + (load mass*acceleration*arm center of gravity overhung in Z axis) + (load mass* gravitational acceleration*load center of gravity overhung in Z axis) + (load mass*gravitational acceleration*arm center of gravity overhung in Z axis)
Here are some pointers which will help you select the right linear actuator for single or multiple axes positioning systems:
Are you looking for electric linear actuators for your machine? If yes, consider consulting a reliable manufacturer and supplier of actuators who are also service oriented. Venture Manufacturing Co. makes superior quality and technically perfect linear actuators and more. Their smartly designed electric linear actuators are widely used in various industrial applications to achieve the required outcome.
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