Linear guides use a linear motion system consisting of a rail and a carriage, with rolling elements (usually balls) in between that allow the carriage to move smoothly along the rail. Linear guides are commonly used in applications requiring high precision and accuracy, such as CNC machines, robotics, and high-speed manufacturing equipment.
On the other hand, cross roller guides use cylindrical rollers that are crossed at a 90-degree angle and housed in a V-shaped groove. This design provides a larger contact area, resulting in high load capacity and high rigidity. Cross roller guides are commonly used in applications that require high precision and accuracy, such as precision measuring equipment, semiconductor production equipment, and medical equipment.
Another difference between the two types of guides is their ability to handle misalignment. Linear guides have less tolerance for misalignment, while cross roller guides can handle small misalignments due to their larger contact area.
In summary, while both linear guides and cross roller guides are used to guide and constrain the movement of machinery and equipment, cross roller guides are typically used in applications requiring high load capacity and high rigidity, while linear guides are more commonly used in applications requiring high precision and accuracy.
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