When discussing a linear motion application, many first-time or beginning users will often ask us “How accurate is this actuator?” As you will see, the answer is way more involved than simply stating a number. To fully understand the answer, we need to help the user get to a basic understanding of the actuator specifications and to what the specifications are really referring. As illustrated below, you can see that, while related, accuracy and repeatability are not the same thing. Sometimes, repeatability is more important than overall accuracy; the relative importance of the two qualities depends on a thorough understanding of your application.
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