THK’s VRG Cross-Roller Guide is a linear motion guide that provides light and highly accurate sliding motion by moving cages, which contain precise rollers arranged orthogonally, along 90° V-shaped raceways in a finite stroke. The light, smooth motion of this product has been enhanced with stability provided by a proprietary rack and pinion mechanism that prevents cage misalignment. THK’s VRG cross-roller guide is based on conventional models and adopts a mechanism to prevent cage misalignment.
Finite stroke type cross-roller guide systems that do not recirculate rolling elements may experience cage misalignment caused by vibrations, inertia, or impacts that occur when the device actuates. Cage misalignment significantly alters the sliding resistance and stroke amount, which may cause machine failure. The VRG features a cage alignment system that prevents this type of cage misalignment that often occurs with cross-roller guides. At the same time, it offers smooth and stable motion for continuous operations, which helps improve the service life of the device. It’s ideal for devices such as semiconductor manufacturing equipment, electronic component manufacturing equipment, and optical measuring equipment.
stable motion.
this linear motion guide with high rigidity during use. In addition, the roller pockets (oil pockets) formed into the cages make contact with the surface of the rollers, providing excellent lubricant retention and limiting friction between metal parts, which enables a long service life.MSI TEC is an authorized THK distributor. For availability and assistance, contact us.
The aerospace industry requires high performance systems and components that can withstand extreme conditions. Motion control products from THK are designed specifically for use in vacuums and challenging aerospace environments. Their LM Guides, Ball Splines
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