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Gallery: Crossed-roller slide variations and uses
Precision rail guides known as crossed-roller guides (also called crossed roller slides, linear bearings, or ways) are linear-motion load supports that incorporate arrays of cylindrical roller bearings...
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DESTACO Robohand OEM linear table slides for machine tending and part transfer
DESTACO now sells cost-effective OEM gripping setups … and the new T110 linear pneumatic table slides complement the G110 gripper series favored by OEMs. Together, they deliver improved speed and...
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What’s the difference between dynamic load capacity and static load capacity?
Rolling element linear bearings, such as round shafts and bushings, profiled rail guides, crossed roller slides, and even ball screws, have two load capacity specifications — dynamic load capacity and...
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Linear motion trends in slides: Robotics and mobile designs lead the charge
Demand for simple-to-install and pre-integrated linear-slide systems continues unabated … especially in applications only recently automated. Here’s the perspective of Matt Mowry, North American market...
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What are Hertz contact stresses and how do they affect linear bearings?
Linear bearings that use balls or rollers to carry a load are subjected to Hertz contact stresses — a type of material stress that plays a significant role in determining the bearing’s load capacity...
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Why are cages used in crossed roller guides?
Crossed roller guides are non-recirculating linear bearings whose rollers are oriented in a “crisscross” pattern (each roller is turned 90 degrees relative to the one next to it) and move between two...
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THK roller LM guide type HRX for myriad applications and harsh environments
A new Roller LM Guide Type HRX from THK America Inc. meets the demands of myriad applications and environments. The Type HRX boasts a duplex face-to-face structure (DF Structure) and a full roller...
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Anti-friction miniature linear guides from PM B.V. now come with a variety of...
When building miniature linear-motion systems, design engineers can choose between ball and crossed-roller linear guides. When applied to precision systems, most all of these linear guides have cages...
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What is cage creep and why does it matter?
Several types of non-recirculating linear bearings use a cage to contain the rolling elements, maintain consistent spacing between them, and ensure even load distribution. But in each of these...
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Mechanical properties of materials: Hardness
Hardness is a common specification for linear shafts and guides — especially those used with ball and roller bearings, where the guide encounters extremely high loads over very small areas. The...
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