There are numerous ways to classify the performance of linear positioning devices such as ball screws, belts, and rack and pinion systems, but the terminology can be confusing. The two most common terms, accuracy and repeatability, and are often used interchangeably. When someone says that a ball screw is very accurate, they may really mean that […]
High-class linear guides: How industry quantifies rail accuracy values
I once overheard a colleague, relatively new to linear motion and eager to be helpful, tell a customer, “H stands for our high-class rail.” While the thought of a “high-class” rail was amusing, technically she was correct. In profiled linear guide terminology, H is the designation for high class … … high accuracy class, that […]
Make no mistakes about ball screw lead error
Updated July 2016 || Accuracy is an important criteria in ball screw selection. But with two production methods and four different standards governing ball screw accuracy, making the best selection for your application can be a challenge. Understanding these standards and terminology, as well as the differences between the two manufacturing methods, will help you choose a ball screw […]
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