THK's LM Stroke Model ST...UUB SERIES represents a sophisticated evolution in linear motion technology, engineered specifically for applications demanding precise, long-stroke movement with uncompromising reliability. These systems integrate high-precision ball screws or ball splines with a compact, rigid stroke unit, delivering exceptional performance in environments where space constraints and accuracy are critical. The ST...UUB design features a sealed structure that effectively excludes contaminants such as dust, chips, and moisture, while retaining lubrication to extend service life and reduce maintenance intervals. Key technical attributes include a high permissible load capacity, achieved through optimized rail and block geometry, and smooth motion characteristics enabled by THK's proprietary Caged Technology, which minimizes friction and heat generation. Performance advantages of the ST...UUB SERIES are evident in its ability to maintain positional accuracy over extended travel distances, with repeatability tolerances as tight as ±0.01 mm under controlled conditions. The series supports high-speed operation without sacrificing stability, thanks to its rigid construction and advanced sealing mechanisms that prevent performance degradation from environmental factors. Energy efficiency is enhanced through low-friction components, reducing power consumption in continuous operation scenarios. Additionally, the modular design allows for easy integration into existing machinery, with options for custom stroke lengths and mounting configurations to suit specific application requirements. In industrial machinery, the ST...UUB SERIES is deployed in automated assembly lines, where it facilitates precise positioning of robotic arms or tooling heads during pick-and-place operations. Its robustness makes it ideal for machine tools, supporting linear axes in CNC milling and turning centers that require high thrust loads and minimal deflection. Within automotive systems, these components are critical in welding robots, ensuring consistent weld seam quality by maintaining accurate torch positioning over long strokes. They also serve in suspension testing equipment, simulating real-world conditions with repetitive, high-force linear motions. Precision equipment applications leverage the ST...UUB SERIES in semiconductor manufacturing, where it enables exact wafer handling and lithography stage movements, critical for nanoscale patterning. Medical device manufacturers utilize these systems in diagnostic instruments, such as MRI or CT scanners, for smooth and precise patient table adjustments. In optical alignment apparatus, the series provides stable, vibration-free linear motion essential for lens and mirror positioning. Overall, the THK LM Stroke ST...UUB SERIES delivers a blend of durability, precision, and adaptability, making it a cornerstone solution for advanced automation and high-accuracy industries.

THK's LM Stroke Model ST...UU SERIES represents a sophisticated line of linear motion systems engineered for applications demanding precise, long-stroke movement with exceptional rigidity and minimal maintenance. These systems are fundamentally based on the LM Stroke mechanism, a technology where a carriage, containing recirculating balls, travels along a precision-ground shaft that also functions as the raceway. This integrated design eliminates the need for a separate rail, resulting in a more compact and space-saving system ideal for installations where envelope constraints are critical. The ST...UU models are characterized by their robust construction, utilizing high-carbon chromium bearing steel for the shaft, which is induction hardened to a depth of approximately 1.5mm and precision ground to a surface finish of 0.2 μm Ra or better. This ensures superior load capacity and an extended service life, even under harsh operating conditions. Key technical features of this series include its high load ratings in all directions—radial, reverse-radial, and lateral—enabled by a optimized ball circuit design and a rigid, single-piece carriage housing. The incorporation of high-grade seals and wipers provides effective defense against contaminants like dust, chips, and moisture, making the units highly suitable for dirty or washdown environments. A significant performance advantage is the remarkably low coefficient of friction and smooth, consistent motion, which translates directly into reduced drive power requirements, higher positional accuracy, and improved repeatability. The pre-loaded design minimizes backlash and deflection, ensuring stability and precision during high-speed traversal and at stopping points. Furthermore, the standardized design and pre-assembled nature of the ST...UU SERIES simplify installation, reducing machine assembly time and cost. Typical applications for the LM Stroke ST...UU SERIES are found across a wide spectrum of demanding industries. In industrial automation and machinery, these components are integral to the long-axis travel of gantry robots, automated transfer lines, and the precise positioning stages of CNC machining centers and laser processing equipment. The automotive manufacturing sector utilizes them in welding robot seventh-axis slides, precision assembly stations, and parts handling systems where durability and precision are non-negotiable. Within the realm of precision equipment, these linear systems are deployed in semiconductor and LCD manufacturing apparatus, precision measuring instruments, and medical device automation, where their smooth motion and cleanliness are paramount. The combination of long-stroke capability, high rigidity, and proven reliability makes the THK LM Stroke ST...UU SERIES a foundational component for engineers designing advanced machinery that requires dependable, high-performance linear motion.

The THK LM Stroke LM Stroke Model ST ST B SERIES represents a sophisticated range of linear motion systems engineered for applications demanding high precision, rigidity, and long operational life. This series is built upon the proven LM Stroke platform, incorporating the ST and ST B designations to signify specific configurations and performance enhancements tailored for diverse industrial environments. At its core, the system utilizes a precision ball screw or ball spline mechanism integrated within a compact, rigid housing, providing smooth and accurate linear travel with minimal friction. Key technical features include a robust outer casing manufactured from high-strength aluminum alloy or steel, offering excellent resistance to deformation under load. The internal recirculating ball bearing system ensures consistent motion and high load capacity, while advanced sealing technology protects against contaminants like dust, chips, and moisture, significantly enhancing durability in harsh conditions. The ST B models often incorporate additional features such as reinforced support units or specialized wipers for extended maintenance intervals. Performance advantages of the ST ST B SERIES are substantial, starting with exceptional positioning accuracy and repeatability, critical for automated processes. The design minimizes backlash and provides high rigidity, enabling stable operation even under heavy cutting forces or dynamic loads. This results in improved machining quality and reduced vibration. Efficiency is another hallmark, with the low-friction design contributing to higher mechanical efficiency and lower power consumption for driving actuators. The series is designed for high-speed capability, maintaining precision at elevated velocities, which boosts throughput in production lines. Long service life is achieved through optimized heat treatment of components and effective lubrication systems, reducing downtime and total cost of ownership. Additionally, these systems operate quietly, an important consideration in noise-sensitive environments like medical or laboratory settings. Typical applications span multiple high-demand sectors. In industrial machinery, the ST ST B SERIES is extensively used in CNC machining centers for tool changers, automated pallet changers, and feed mechanisms, where precision and reliability directly impact manufacturing tolerances. Within automotive systems, these components are vital in robotic welding arms, assembly line transporters, and precision testing equipment, handling repetitive motions with unwavering accuracy. The automotive industry benefits from their robustness in stamping presses and engine assembly jigs. In precision equipment, such as semiconductor manufacturing apparatus, optical alignment systems, and medical diagnostic devices, the series provides the micron-level accuracy and cleanliness required for sensitive processes. Its ability to perform reliably in cleanrooms or under continuous operation makes it a preferred choice for applications where failure is not an option, ensuring consistent performance in automating critical tasks across advanced technological fields.

THK's LM Stroke Model ST ST SERIES represents a sophisticated advancement in linear motion technology, engineered to deliver exceptional precision, reliability, and efficiency in demanding industrial applications. This series features a compact, integrated design that combines a linear motion guide with a built-in stroke mechanism, eliminating the need for external components and simplifying installation. Key technical specifications include high load capacities, with dynamic load ratings up to 7.35 kN and static load ratings reaching 14.7 kN, ensuring robust performance under heavy operational stresses. The system incorporates precision-ground raceways and high-grade steel balls, which minimize friction and provide smooth, consistent motion with positional accuracy within microns. Additionally, the ST SERIES is designed with a sealed structure to prevent contamination from dust, debris, or moisture, making it suitable for harsh environments. Options for lubrication systems, such as grease fittings or automatic lubricators, further enhance longevity and reduce maintenance intervals. Performance advantages of the LM Stroke ST ST SERIES are substantial, starting with its energy-efficient operation due to low friction coefficients, which translate to reduced power consumption and heat generation. The integrated stroke mechanism allows for precise control over linear movement, enabling repeatable positioning with minimal backlash, critical for applications requiring high-speed and high-accuracy cycles. Durability is another standout feature, as the components are hardened and treated to resist wear, corrosion, and fatigue, extending service life even in continuous-use scenarios. Noise levels are kept exceptionally low through optimized ball circulation and damping features, contributing to a quieter workplace. Moreover, the modular design facilitates easy customization and integration into existing machinery, reducing downtime during upgrades or repairs. These attributes collectively result in improved productivity, lower total cost of ownership, and enhanced operational safety. In industrial machinery, the THK LM Stroke ST ST SERIES finds extensive use in automation systems, such as pick-and-place robots, CNC machine tools, and assembly lines, where it ensures precise linear positioning for tasks like component insertion, cutting, or welding. For automotive systems, it is employed in manufacturing equipment like engine assembly jigs, brake testing machines, and paint-spraying robots, providing reliable motion control that withstands high-vibration environments and repetitive cycles. In precision equipment, this series is ideal for applications such as semiconductor manufacturing devices, medical diagnostic instruments, and optical alignment systems, where its micron-level accuracy and contamination resistance are paramount. By delivering consistent performance across these diverse sectors, the LM Stroke ST ST SERIES supports innovation and efficiency, making it a trusted choice for engineers seeking to optimize motion control solutions in their designs.