SFS Series Ball Screw

SFS Series Ball Screw

The SFS Series Linear Screw (often designated as SFS Ball Screw or SFS Cylindrical Nut) is the standard, general-purpose configuration of a ball screw assembly, classified under Linear Actuation Systems/Standard Drive Components. It is engineered as the most common, cost-effective solution for industrial applications that require reliable and efficient linear motion, typically characterized by a standard-length nut body and a cylindrical shape with no integrated mounting flange (requiring an external housing).

The SFS Series is a high-precision, silent-type ball screw product line designed for high-speed and light-load applications, featuring smooth, low-friction motion and high efficiency. Its key features include a low operating noise level due to sound-insulated and dust-proof components, high accuracy, and durability. This makes it highly suitable for use in CNC machines, factory automation, and medical equipment.

Component Parts

The SFS Series Ball Screw assembly is a standard, efficient unit consisting of two primary components: the shaft and the flanged nut assembly:

Ball Screw Shaft: The central component, which is the precision-machined shaft featuring a helical raceway that defines the linear path.

Flanged Ball Nut (Standard Length): This is the core component that moves linearly. It features the internal ball recirculation grooves and is equipped with an external mounting flange.

Ball Bearings: High-precision steel balls that circulate within the nut, acting as the rolling elements to minimize friction.

Recirculation Components: The internal tubes, grooves, or end caps that function as the return system to guide the balls back to the load-bearing circuit in a continuous loop.

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