The THK LM Guide HSR M1VV SERIES represents a specialized evolution in linear motion technology, engineered explicitly for reliable operation in medium to low vacuum environments. This full ball type LM Guide integrates THK’s proven recirculating ball design with vacuum-compatible materials and sealing mechanisms, ensuring minimal outgassing and maintaining vacuum integrity down to 10⁻² Pa. The guide incorporates stainless steel components, including the track rails and balls, paired with a cage crafted from vacuum-grade materials to prevent contamination. Advanced sealing systems with low-vapor-pressure lubricants are employed to mitigate particulate generation and gas emission, which are critical factors in vacuum applications. The HSR M1VV maintains the high rigidity and load capacity characteristic of the HSR series, supporting smooth, precise linear motion even under demanding conditions.
Key technical features of the HSR M1VV include its corrosion-resistant construction, which enhances durability in clean or controlled atmospheres. The full ball type design ensures uniform load distribution across all rolling elements, reducing wear and extending service life. Pre-load adjustments are available to eliminate backlash and enhance positional accuracy, making it suitable for applications requiring micron-level precision. The guide’s compact profile allows for space-efficient integration into machinery, while its ability to handle high moment loads provides stability in multi-axis systems. Performance advantages are evident in its low friction coefficient, which minimizes heat generation and energy consumption, and its high-speed capability, facilitated by optimized ball circulation that prevents skidding and noise. These attributes contribute to consistent, maintenance-free operation over extended periods, reducing downtime and total cost of ownership.
Typical applications for the HSR M1VV SERIES span industries where vacuum compatibility and precision are paramount. In industrial machinery, it is deployed in semiconductor manufacturing equipment, such as wafer handling robots and lithography stages, where vacuum environments are essential for process purity. Within automotive systems, this guide finds use in testing apparatus for fuel injection components or brake systems that simulate vacuum conditions to validate performance and reliability. In precision equipment, it supports the motion stages of electron microscopes, vacuum deposition systems, and medical device assembly lines, ensuring accurate positioning without compromising vacuum levels. The HSR M1VV’s robustness also makes it ideal for scientific instrumentation, such as particle accelerators or space simulation chambers, where failure is not an option. By combining vacuum readiness with THK’s legacy of durability and precision, this LM Guide enables advancements in technology-driven fields, fostering innovation in automation, research, and high-value production.
| Model No. | Outer dimensions | Basic load rating | |||
| Radial | |||||
| Height M |
Width W |
Length L |
Dynamic rating C |
Static rating C0 |
|
| mm | mm | mm | kN | kN | |
28 |
34 |
75 |
10.9 |
15.7 |
|