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Precision Ball Screw DFU Series

Precision Ball Screw DFU Series

The DFU series precision ball screws are designed for high-performance applications that require precision, efficiency, and reliability.
The DFU series features a ball recirculation system that minimizes friction, resulting in smoother motion and reduced long-term wear.

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Product Features

√High precision ball screw, excellent positioning accuracy
√Low friction, ball recirculation system
√Designed to handle high axial loads, suitable for heavy-duty applications
√With a compact design, it can be easily integrated into a variety of machinery and systems, saving space without compromising performance.
√Durability
√Available in a variety of sizes and configurations, which can be customized according to specific application requirements.

Specification parameter of precision ball screw DFU series

Specification parameter of precision ball screw DFU series

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Maximum manufacturing length of screw

Diameter Length
d≤20mm Below 3000mm
25mm≤d≤50mm Below 6000mm
63mm≤d≤80mm Below 7000mm

Recommended length standard:
Aspect ratio Length/diameter:
Best: 1:40
General: 1:60
Ultimate: 1:80

  • High precision

  • DFU Precision Grinding low friction

    Low friction

  • DFU Precision Grinding strong durability

    Strong durability

Lubrication of precision DFU ball screw

Lubrication of precision DFU ball screw

  • When using a ball screw, it must be lubricated adequately. Insufficient lubrication will increase the wear, cause failures or shorten the lifespan.
  • When lubricating the DFU ball screw with grease, use a lithium soap-based grease with a dynamic viscosity of 30~140mm²/s (40°C). When lubricating with oil, use lubricants registered as ISO VG32~100.
  • Generally, when thermal displacement of the screw shaft is important in high-speed applications or when used in low-temperature environments, it is recommended to use a lubricant with a lower base oil viscosity. Conversely, when used under conditions such as low speed, high temperature, vibration, and heavy loads, it is recommended to use a lubricant with a higher base oil viscosity.
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