Search
Square Flange Model LMIK

The THK Guide Ball Bushing Linear Bushing, specifically the flanged type Square Flange Model LMIK, represents a high-performance linear motion component engineered for applications demanding rigidity, precision, and durability. This unit is a compact, flanged linear bushing featuring a square outer flange profile, which facilitates straightforward and secure mounting onto machine surfaces, brackets, or structural members using standard fasteners. The internal design incorporates a precision-engineered ball recirculation system, where high-grade steel balls circulate smoothly along hardened raceways, providing low-friction linear guidance for a shaft or rod. This recirculation mechanism ensures consistent motion, minimal stick-slip, and high positional accuracy.

Key technical features define the LMIK model’s capabilities. Its square flange design offers a large, stable mounting surface, significantly enhancing moment load capacity and resistance to tilting forces compared to non-flanged or round-flanged alternatives. The bushing itself is constructed from high-carbon chromium bearing steel, hardened and precision-ground to exacting tolerances for long-term dimensional stability and wear resistance. A critical feature is the inclusion of seals or shields, which effectively prevent the ingress of contaminants such as dust, chips, and moisture, while retaining the essential grease lubrication within the ball circuit. This sealed design is vital for maintaining performance and extending service life in harsh operating environments. The compact cross-section of the LMIK allows for space-saving machine designs without compromising on load-bearing capacity or stroke length.

The performance advantages of this component are substantial. It delivers exceptionally smooth and quiet linear motion with a consistently low coefficient of friction, which translates to reduced drive power requirements and higher energy efficiency. The high rigidity afforded by the square flange and robust construction ensures minimal deflection under load, directly contributing to improved machining or positioning accuracy. Its durability and sealed nature result in reduced maintenance needs, lower lifetime costs, and exceptional reliability even in high-cycle, continuous operation. The design allows for high-speed capability while maintaining stability and precision.

Typical applications for the THK LMIK Linear Bushing are found across a wide spectrum of industries where reliable linear guidance is paramount. In industrial automation and machinery, it is extensively used in the linear axes of pick-and-place units, automated assembly robots, material handling systems, and the sliding doors of industrial ovens or environmental chambers. Within the automotive manufacturing sector, these bushings are integral to precision fixturing and testing equipment, welding gun manipulators, and parts transfer mechanisms on production lines. For precision equipment, the LMIK model provides the critical guidance in optical positioning stages, measuring and inspection instruments, semiconductor manufacturing equipment, and medical device actuators, where its accuracy, smooth motion, and compact form factor are essential. Its versatility and robustness make it a fundamental component for engineers designing advanced mechanical systems requiring dependable, long-lasting linear motion.

MORE +
CLOSE +
LMIK-L SERIES
The THK LMIK L SERIES flanged type Square Flange Linear Bushing represents a significant advancement in linear motion technology, engineered to deliver exceptional precision, rigidity, and longevity in demanding industrial applications. This ball bushing linear bushing is characterized by its compact square flange design, which facilitates straightforward and secure mounting onto machine frames, worktables, and automated assemblies. The flange incorporates multiple precision-machined mounting holes, ensuring stable fixation and accurate alignment, which is critical for maintaining system integrity under high loads and dynamic conditions. Technically, the LMIK L SERIES incorporates a meticulously designed ball recirculation system within its outer sleeve, manufactured from high-carbon chromium bearing steel (SUJ2) for superior wear resistance and durability. The balls are precision-ground to micron-level tolerances, enabling smooth, low-friction travel along compatible shafts. An integral sealing system, often comprising contact or non-contact seals, is incorporated to effectively exclude contaminants such as dust, chips, and moisture while retaining essential lubrication. This design significantly reduces maintenance intervals and prevents premature failure. The bushing's internal structure ensures even load distribution across all balls, minimizing stress concentrations and enabling high load capacities—both radial and moment loads—without compromising performance. Performance advantages are substantial and multifaceted. The rigid square flange design provides excellent resistance to torque and tilting moments, enhancing the overall stability of the linear motion system. This results in improved positional accuracy and repeatability, which is paramount for precision tasks. The low coefficient of friction inherent in the ball-to-track interface allows for high-speed operation with minimal heat generation, contributing to energy efficiency and consistent performance over extended periods. Furthermore, the optimized recirculation geometry minimizes noise and vibration, leading to quieter machine operation—a critical benefit in noise-sensitive environments like automotive test facilities or medical device manufacturing. Typical applications for the THK LMIK L SERIES are diverse, spanning numerous high-performance sectors. In industrial machinery, these bushings are integral to CNC machining centers, where they guide tool carriers and worktables with high precision and rigidity, directly impacting machining accuracy and surface finish quality. Within automotive manufacturing systems, they are employed in robotic welding arms, automated assembly pallets, and precision testing equipment, where reliability under high cyclic loads and environmental contaminants is non-negotiable. For precision equipment, the series finds use in semiconductor fabrication tools, optical positioning stages, and medical diagnostic devices, where smooth, precise, and backlash-free motion is essential for achieving micron-level accuracies. The robust construction and high-performance characteristics make the LMIK L SERIES a preferred component for engineers designing systems that demand reliability, precision, and long-term operational consistency.
View
LMIK SERIES
The THK LMIK Series flanged type Square Flange Model LMIK Linear Bushing represents a high-performance, compact ball bushing solution engineered for precision linear motion in demanding industrial environments. This flanged design incorporates a square-shaped flange that provides robust mounting stability and simplifies installation in space-constrained applications. The unit features a precision-engineered outer sleeve and flange manufactured from high-carbon chromium bearing steel, hardened to optimal levels to ensure exceptional wear resistance and long-term dimensional stability. Inside, precision-ground raceways and a meticulously designed ball recirculation system facilitate smooth, low-friction travel with minimal rolling resistance. Key technical features include the incorporation of high-grade steel balls that are precisely sized and finished to minimize vibration and noise during operation. The ball recirculation system is optimized to provide consistent, uninterrupted motion, even at high speeds, while the compact flange design allows for direct mounting to machine frames or moving components without additional bracketing. The LMIK Series is available in various standard sizes and can be supplied with optional seals or shields to protect the internal ball tracks from contaminants such as dust, chips, or moisture, significantly extending service life in harsh environments. Performance advantages of the LMIK Series are substantial, offering high rigidity and load capacity relative to its compact size. The square flange distributes mounting forces evenly, reducing stress concentrations and enhancing alignment accuracy. This results in improved positional repeatability and reduced deflection under load, which is critical for applications requiring precise linear guidance. The low-friction characteristics contribute to higher efficiency, reducing the power required for actuation and enabling smoother acceleration and deceleration profiles. Additionally, the hardened components and efficient sealing options ensure extended maintenance intervals and reliable operation over long periods, even under continuous or high-cycle duty. Typical applications for the THK LMIK Linear Bushing are found across multiple sectors, including industrial automation where it guides slides in pick-and-place units, assembly robots, and linear actuators. In automotive manufacturing systems, it is employed in precision jigs, welding equipment, and automated testing machinery that demand reliable, low-maintenance linear motion. Within precision equipment, the LMIK Series is utilized in optical positioning stages, medical device actuators, and semiconductor handling systems where smooth, accurate motion and contamination resistance are paramount. Its versatility and durability make it suitable for both vertical and horizontal orientations, supporting a wide range of loads and speeds while maintaining consistent performance in diverse operating conditions.
View
noksbearings

ABOUT US

PRODUCT