THK’s LM Guide RSR M1K and M1V Series represent a specialized evolution in linear motion technology, engineered explicitly for high-temperature operational environments where standard guides would falter. These full ball-type LM Guides incorporate a robust, heat-resistant design that maintains precision and reliability even when exposed to elevated temperatures, making them indispensable in industries demanding unwavering performance under thermal stress.
The technical foundation of the RSR M1K and M1V Series is its full ball-type recirculating system. This design ensures a high load capacity and rigidity by maximizing the number of load-bearing balls in contact with the raceway. The components are manufactured from specially selected, heat-treated steels and utilize high-temperature synthetic lubricants. This material science is critical, as it prevents degradation of mechanical properties, such as hardness and dimensional stability, and avoids lubricant failure, which is a common point of failure in conventional guides. The seals are also engineered from heat-resistant materials to retain lubrication and exclude contaminants effectively, ensuring a long service life and consistent motion smoothness.
Performance advantages are significant and directly address the challenges of harsh applications. The foremost benefit is sustained operational integrity in ambient temperatures that would cause standard linear guides to experience premature wear, loss of preload, or catastrophic seizure. This results in dramatically extended maintenance intervals and reduced machine downtime. The guides offer high positional accuracy and smooth, low-friction motion, which is essential for precision processes. Their high rigidity and load capacity translate to improved stability and reduced vibration in the machinery, leading to higher quality output and the ability to handle heavier loads without sacrificing precision.
Typical applications for the THK RSR M1K and M1V Series are found wherever heat is an inherent byproduct of the process. In industrial machinery, they are pivotal in furnace door mechanisms, injection molding machines near heating barrels, and high-temperature material handling systems. The automotive industry utilizes these guides in manufacturing processes such as painting and curing ovens, where components must glide smoothly on tracks through intense, consistent heat. Within precision equipment, they are employed in semiconductor manufacturing, particularly in lithography and wafer processing stages that involve thermal cycles. Any application requiring reliable, precise linear motion in a sustained high-temperature environment is a candidate for this specialized series, ensuring that machinery can perform its core functions without being limited by its foundational motion components.
| 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 | |
10 |
20 |
30.8 |
1.47 |
2.25 |
|
13 |
27 |
35 |
2.65 |
4.02 |
|
16 |
32 |
43 |
4.41 |
6.57 |
|
25 |
46 |
66.5 |
8.82 |
12.7 |
|