This is a budget version of a feed screw that combines a stainless steel screw shaft with a resin nut containing a lubricant.
Since the nut material contains a lubricant, it can be used without lubrication. The shaft material is made of SUS304 (or SUS303), which offers excellent corrosion resistance. There is a wide variety of combinations of shaft diameters and leads, allowing for a broad selection.
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basic information
The MRH type is standard, but the nut material can be changed according to the application. By choosing the backlash-free type, you can also eliminate axial backlash.
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Applications/Examples of results
Medical devices, food equipment, etc.
Line up（3）
| Model number | overview |
|---|---|
| MRH | The nut material of the MRH, which is a standard model, uses polyamide-based resin with good sliding properties. This material contains lubricants, allowing it to be used without additional lubrication. When used in conjunction with lubricants, smoother operation can be achieved. |
| MRH-BP2 | Utilizing polyamide-based resin with good sliding properties, a backlash-free structure has been achieved with a double nut and intermediate spring. The preload can be adjusted by selecting the appropriate intermediate spring. |
| R-MSS(Y) | It can withstand a wide range of environments, including corrosion resistance and heat resistance, and is available in a high lead type (three times the shaft diameter). |
Company information
KSS started with the manufacturing of screw gauges and has been producing miniature ball screws for about 60 years. Our company specializes in ball screws with a screw shaft outer diameter of φ16mm or less, and we are capable of producing the world's smallest ball screw shaft diameter of φ1.8mm with a lead of 0.5mm. We are one of the few manufacturers in the world that specializes in miniature ball screws. In recent years, we have utilized these technologies to offer value-added unit products, aiming to become a "specialized manufacturer of miniature ball screws and actuators in the world."