SFU4010 Ball Screw
SFU4010 Ball Screw
Product descriptions
The SFU4010 combines a rigid 40mm shaft with a 10mm lead to deliver maximum vibration damping, superior column strength, and rapid traverse speeds. Engineered for heavy industrial loads, it is equipped with large 1/4" (6.35mm) bearing balls, resulting in an exceptional dynamic load rating of 3,910 kgf. This assembly is the ideal solution for large-scale CNC milling machines, precision lathes, and heavy-duty transfer systems.
Product Profile
| Configuration | 40 mm Diameter / 10mm Lead. |
| Nut Type | Single Flanged Nut |
| Ball Diameter | 6.35 mm (1/4") |
| Thread Direction | Right-Hand |
| Mounting | Compatible with standard BK30/BF30 end supports. |
| Load Capacity | Dynamic Load Rating (Ca): ~3,910 kgf (38.3 kN) Static Load Rating (Coa): ~9,520 kgf (121 kN) |
Operating Principles
The SFU4010 Ball Screw operates on the rolling friction principle, specifically optimized for maximum speed and force:
1.Fast Rotary-to-Linear Conversion: The large 10mm lead means a single turn of the screw results in a substantial 10mm of linear travel. This high ratio is the key to achieving the fastest possible linear travel speeds with this shaft size.
2.Structural Integrity for Speed: The massive 40mm shaft diameter is crucial for resisting shaft whip and bending at the high rotational speeds often required by the 10mm lead, significantly increasing the system's critical speed limit.
3.Rolling Contact: Precision steel balls roll in the helical groove between the shaft and the flanged nut, eliminating the high friction of traditional sliding lead screws.
4.Axial Force Management: The extreme stiffness of the shaft ensures that the high axial force generated during heavy-duty, rapid movement is transmitted with minimal energy loss and maximum stability.
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