SFU2505 Ball Screw

SFU2505 Ball Screw

Product Description

This assembly is specifically designed for high-load applications requiring extended travel. The robust 25mm shaft provides superior resistance to buckling and vibration, maintaining stability over lengths of up to 2500mm.

The 5mm pitch strikes an optimal balance, ensuring high torque transmission and fine positioning resolution (0.025mm). This combination makes it the ideal solution for CNC milling machines, heavy-duty Z-axis lifts, and industrial presses where rigidity is critical.

The SFU2505 features a distinct engineering profile: a robust 25mm diameter combined with a fine 5mm pitch. This configuration delivers three critical mechanical advantages:
1.Maximum Rigidity (Buckling Strength):
The core advantage of the 25mm shaft is superior stiffness. It allows for stroke lengths of 2000mm to 2500mm while maintaining acceptable critical speed limits. In contrast, smaller diameter shafts would experience excessive "screw whip" (violent vibration) at these lengths.
2.High Mechanical Advantage (Torque Multiplication):
While larger shafts typically possess higher inertia, the fine 5mm lead allows the screw to function as a powerful gear reducer. This mechanical advantage enables standard servo motors to drive heavy loads-such as machine headstocks or large worktables-without the need for an external gearbox.
3.Superior Load Capacity:
The SFU2505 accommodates a larger number of load-bearing balls (or larger diameter balls, depending on the specific manufacture) and features a wider raceway radius. This results in significant dynamic load ratings, often exceeding 2,000 kgf.

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