SFU1204 Ball Screw

SFU1204 Ball Screw

Product Introduction

The SFU1204 Ball Screw Assembly is a compact, high-precision linear motion solution widely recognized for its exceptional performance in light-to-medium-duty automation systems.

The model designation reflects its standardized design: "SFU" indicates a Flanged Single Nut with an internal ball circulation system, while "1204" specifies a 12mm nominal shaft diameter combined with a 4mm lead (providing 4mm of linear travel per single revolution). This specific combination makes the SFU1204 a highly popular choice for applications requiring a balance of high positional resolution, speed, and mechanical efficiency within a small footprint. It is the ideal component for 3D printers, desktop CNC routers, and precision laboratory equipment.

Key Features & Engineering Advantages

High Positional Resolution: The fine 4mm lead ensures that each motor rotation results in minimal linear travel. This allows for high-resolution positioning, which is crucial for applications requiring precise control.

Compact 12mm Diameter: The slim shaft profile is ideal for designs with strict space and weight constraints. Additionally, the low mass contributes to lower rotational inertia, enabling rapid motor response and acceleration.

High Transmission Efficiency: The rolling contact mechanism significantly reduces friction compared to sliding screws. With efficiency ratings typically exceeding 90%, the system minimizes heat generation and reduces the driving torque required from the motor.

Integrated Flange Mount ("F"): The ball nut features a standard flange with pre-drilled bolt holes, providing a simple, secure, and rigid interface for attaching the nut to the machine's moving carriage.

Durability & Hardness: Manufactured from high-grade alloy steel with induction-hardened and precision-ground raceways, ensuring superior wear resistance and a long, reliable service life.

Precision Grades & Backlash: While standard models feature minimal backlash, the SFU1204 is available in preloaded versions (e.g., C3 or C5 precision grades) or double-nut configurations to meet zero-backlash requirements.

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