The THK LM Guide RSX M1W SERIES represents a specialized evolution in linear motion technology, engineered specifically for high-temperature environments where conventional guides would falter. This full ball type LM Guide incorporates a unique design where recirculating balls make full contact along the raceways, ensuring uniform load distribution and enhanced rigidity. Constructed from heat-resistant materials, including specially treated steel and high-temperature stable polymers, the RSX M1W maintains operational integrity in ambient temperatures up to 150°C, with intermittent peak resistance even higher. Its seals and lubricants are formulated to resist degradation, preventing grease leakage and dust ingress under thermal stress.
Key technical features define its robust performance. The guide utilizes a compact, high-rigidity structure with an increased ball count and optimized groove geometry, which collectively boost load capacity and moment resistance. Precision grinding of all raceway surfaces ensures smooth, low-friction motion with minimal running noise. A highly effective sealing system—comprising metal and rubber seals—provides multi-directional protection against contaminants like chips, dust, and splashing liquids, crucial in harsh settings. Pre-load adjustments are available to eliminate backlash, enhancing positional accuracy for demanding applications.
Performance advantages are substantial in thermally challenging scenarios. The RSX M1W delivers consistent precision and longevity where thermal expansion would typically compromise accuracy. Its high-temperature resilience reduces maintenance frequency and downtime, as components resist wear, deformation, and lubrication breakdown. The guide’s stability supports high-speed operation with minimal vibration, contributing to improved machining or assembly quality. Energy efficiency is another benefit, as the low-friction design requires less driving force, lowering power consumption in automated systems.
Typical applications span industries where heat and precision intersect. In industrial machinery, it is ideal for furnace door mechanisms, heat treatment equipment transfers, and injection molding machine ejectors, where sustained high temperatures are routine. Automotive manufacturing employs these guides in welding line robots, paint shop conveyors, and engine test stands, where environmental heat and process-generated warmth are factors. Precision equipment applications include semiconductor manufacturing apparatus, such as wafer handling in high-temperature deposition or etching processes, and glass processing machinery for tempering or forming operations. The RSX M1W SERIES ensures reliability, accuracy, and durability, making it a critical component in advancing productivity and innovation in thermally intensive sectors.
| 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 | |
12 |
30 |
39 |
2.8 |
4.28 |
|
14 |
40 |
44.5 |
4.46 |
6.31 |
|
16 |
60 |
55.5 |
7.43 |
10.1 |
|