When it comes to precision motion control, very few actuator types can match the exactness of piezoelectric actuators. This has naturally made these actuators the preferred actuation solution in a myriad of applications. This article elucidates on the several desirable attributes demonstrated by piezoelectric positioning systems.
These actuators have been commercially available for 35 years, and have continuously adapted and evolved during this period. Quartz, barium titanate, lead niobate, and lead zirconate titanate are some examples of piezoelectric materials. The two major properties of piezoelectric materials are:
The entire range of piezoelectric actuators is built on these basic principles. The use of these actuators spans across various industrial, commercial, and consumer applications. Here are some key properties of piezoelectric actuators that make them the preferred choice in industrial precision motion control:
In addition to the features mentioned above, piezoelectric actuators are also capable of functioning normally in vacuum environments where precision motion control is required. And, they are compatible for use in clean room applications as they do not require the use of lubricants. Additionally, if your application requires an actuator that can function at cryogenic temperatures, you can request your manufacturer to create a special actuator suited to such environments.
Given these characteristics, piezoelectric actuators are increasingly preferred for precision motion control in data storage, semiconductors, life science and medical technology, precision mechanics, optics, photonics, and so on.