The THK Cross Roller Table Mounting Hole Model VRU SERIES represents a high-precision linear motion solution engineered for applications demanding exceptional rigidity, accuracy, and smooth operation. This series integrates a cross roller mechanism within a compact table design, featuring pre-drilled mounting holes that simplify installation and enhance versatility in machinery layout. The core of its construction utilizes precision-ground surfaces and high-carbon chromium bearing steel rollers arranged in a crossed pattern at 90-degree angles, ensuring minimal deformation under load and consistent performance even in high-moment environments. Each unit is pre-loaded to eliminate backlash, providing unwavering stability for repetitive tasks. Key technical features include the incorporation of THK's proprietary cross roller guide technology, which distributes loads evenly across multiple contact points, significantly reducing friction and wear. The mounting holes are strategically positioned to allow for direct attachment to machine bases or moving parts, facilitating seamless integration without additional adapters. With accuracy grades up to ±5μm per 300mm travel and repeatability within ±1μm, the VRU SERIES maintains tight tolerances essential for precision-driven processes. Its sealed design, often equipped with grease nipples or optional seals, protects against contaminants like dust and chips, extending service life in harsh industrial settings. Available in various sizes and stroke lengths, it supports customization to meet specific load capacities—ranging from light-duty to heavy-duty applications—while maintaining a low profile for space-constrained installations. Performance advantages of the VRU SERIES stem from its optimized roller geometry and hardened steel components, which collectively enhance stiffness and damping characteristics. This results in superior vibration resistance, reduced noise levels, and smoother motion compared to conventional ball-based systems. The high rigidity minimizes deflection under combined loads (radial, reverse radial, and moment loads), ensuring positional accuracy during high-speed operations or abrupt directional changes. Low friction coefficients contribute to energy efficiency, reducing power consumption and heat generation, while the maintenance-friendly design allows for easy relubrication without disassembly. These attributes translate to prolonged operational life, reduced downtime, and lower total cost of ownership. Typical applications span industries where precision and reliability are non-negotiable. In industrial machinery, the VRU SERIES is deployed in CNC machining centers for tool positioning, semiconductor manufacturing equipment for wafer handling, and assembly robots requiring precise linear guidance. Automotive systems leverage these tables in automated welding fixtures, engine component testing rigs, and brake assembly lines to maintain tight tolerances under dynamic loads. Within precision equipment, they are integral to optical alignment devices, medical imaging systems like CT scanners, and coordinate measuring machines (CMMs), where sub-micron accuracy ensures diagnostic or measurement integrity. By combining robust construction with meticulous engineering, the THK VRU SERIES delivers a dependable foundation for advancing automation and precision across diverse sectors.

The THK Cross Roller Table Mounting Hole Model VRT A SERIES represents a pinnacle of precision linear motion engineering, designed specifically for applications demanding exceptional rigidity, accuracy, and compactness. This series integrates a cross roller mechanism within a robust table structure, featuring pre-drilled mounting holes that significantly simplify installation and alignment processes. The core of its design utilizes precision-ground cross rollers arranged at right angles between the rail and the table, which are retained by a high-strength retainer to prevent skewing and ensure smooth, consistent motion. This configuration allows the VRT A SERIES to handle complex load scenarios—including radial, reverse-radial, and moment loads—with minimal deformation, making it an ideal solution for high-stress environments. Key technical features of the VRT A SERIES include its high load capacity and rigidity, achieved through the optimized contact geometry of the cross rollers and the use of hardened steel components for extended service life. The table is precision-machined to tight tolerances, ensuring flatness and parallelism that contribute to superior positional accuracy. Mounting holes are strategically placed to facilitate secure attachment to machinery frames, reducing the need for additional machining or customization. The series also offers low friction characteristics due to the rolling contact design, which minimizes heat generation and energy consumption while enabling high-speed operation. Optional seals and lubrication units are available to enhance durability in contaminated or demanding environments, protecting against dust, chips, and moisture. Performance advantages of the VRT A SERIES are evident in its ability to maintain precision under heavy loads and dynamic conditions. Its high rigidity minimizes deflection, ensuring repeatable positioning accuracy critical for automated processes. The compact design saves valuable space in machinery layouts, while the pre-drilled mounting holes reduce assembly time and costs, streamlining integration into existing systems. With low maintenance requirements and long-term reliability, this series contributes to reduced downtime and total cost of ownership. Its smooth motion profile also reduces vibration and noise, improving overall system performance and product quality. Typical applications for the THK VRT A SERIES span across industrial machinery, automotive systems, and precision equipment. In industrial automation, it is commonly used in CNC machining centers for tool changers, indexing tables, and precision positioning stages, where its rigidity supports heavy cutting forces. Automotive manufacturing lines employ these tables in robotic welding arms, assembly fixtures, and inspection equipment to ensure accurate component alignment. In precision equipment, such as semiconductor manufacturing devices, optical alignment systems, and medical diagnostic instruments, the VRT A SERIES provides the stability and accuracy necessary for micron-level positioning. Its versatility and robustness make it a trusted component in sectors requiring reliable linear motion under challenging operational conditions.

THK's VRT SERIES Cross Roller Table Base represents a high-precision linear motion solution engineered for applications demanding exceptional rigidity, accuracy, and smooth movement. This series utilizes a unique cross roller structure where cylindrical rollers are arranged orthogonally between the base and table, alternating at 90-degree angles within a single V-groove raceway. This design eliminates the need for complex ball recirculation systems, resulting in a more compact and robust assembly. The VRT SERIES is pre-loaded to minimize deflection and backlash, ensuring consistent performance under varying loads and dynamic conditions. Available in multiple sizes and configurations, it offers versatility for integration into diverse automation and precision machinery setups. Key technical features distinguish the VRT SERIES in demanding environments. The cross roller mechanism provides high rigidity and load capacity, supporting moment loads in all directions—pitch, roll, and yaw—without sacrificing smoothness. Precision grinding of all contact surfaces ensures flatness and parallelism, contributing to positioning accuracies within micrometers. The compact, low-profile design minimizes space requirements while maximizing stability, and the inclusion of tapped holes on the base simplifies mounting and alignment. Optional accessories, such as seals, protect against contaminants in harsh environments, extending service life. These attributes make the VRT SERIES ideal for applications where space constraints, vibration resistance, and repeatability are critical. Performance advantages of the VRT SERIES translate directly into operational efficiency and reliability. Its high rigidity reduces deformation under load, maintaining accuracy during high-speed or heavy-duty cycles. The smooth, low-friction rolling motion ensures minimal stick-slip, enabling precise incremental movements and reducing wear over time. With minimal maintenance requirements and long-term durability, it lowers total cost of ownership in continuous-use scenarios. The series excels in environments where thermal stability is essential, as the symmetrical design mitigates thermal expansion effects. These benefits make it a preferred choice for industries prioritizing uptime, precision, and reduced operational complexity. Typical applications span industrial machinery, automotive systems, and precision equipment. In industrial automation, the VRT SERIES is deployed in pick-and-place units, assembly robots, and indexing tables where rapid, accurate positioning is crucial. Automotive manufacturers integrate it into welding fixtures, inspection jigs, and test equipment to ensure dimensional consistency and repeatability. Within precision instrumentation, it supports optical alignment stages, semiconductor handling systems, and medical device manufacturing, where sub-micron accuracy and stability are non-negotiable. The series also finds use in measuring devices, CNC tool changers, and any application requiring a reliable, low-maintenance linear guide under high moment loads. By combining precision engineering with robust construction, THK's VRT SERIES delivers a foundational component for advancing automation and precision across sectors.