High Precision Ball Screw SFY1616 SFY2040 Series C3 C5 Ball And Screw

1. High speed and large lead design

The lead range covers 16mm to 100mm (single or double lead), high DM-N type, supports high-speed operation, and is suitable for scenarios that require fast movement.

The reflux structure enhances rigidity and high-speed stability, and the cycling method is similar to the SFS series but with optimized performance.

2. Compact nut structure

Nut size is compact, saving equipment installation space

3. High precision and high rigidity

The precision grinding process can achieve C3 level accuracy, and the heat treatment hardness can reach HRC58-62.

Pre pressure design eliminates reverse clearance, ensuring precise positioning and smooth movement.

4. Material and Craftsmanship

GCr15 bearing steel or stainless steel material is optional, supporting customized production.

The threaded raceway is processed by a CNC grinder to ensure surface roughness and durability.

machine tool

IT, Optoelectronics, Semiconductors

medical equipment

Humanoid robot joint drive

CNC

High-accuracy ball screws play a critical role in modern CNC machinery, industrial automation, and precision equipment. Among the leading designs in the linear motion market, the SFY1616 and SFY2040 ball screw series stand out for their superior accuracy, stability, and performance. Engineered with C3 and C5 accuracy grades, these ball screws deliver reliable motion control while ensuring smooth, efficient transmission for both high-speed and high-load systems. This guide provides an overview of the key performance features that make these SFY ball screw models essential for advanced mechanical engineering applications.

The SFY1616 series is known for its high-speed characteristics, featuring a moderate diameter combined with a relatively fine lead. This combination enhances responsiveness and ensures stable positioning accuracy, making it suitable for applications such as engraving machines, precision measuring equipment, and compact industrial machinery. The optimized groove geometry reduces friction and vibration while maintaining high mechanical efficiency. As a result, SFY1616 ball screws deliver exceptional repeatability, supporting consistent accuracy even when operating at rapid feed rates.

In contrast, the SFY2040 series is designed for higher load capacity and increased rigidity, making it ideal for heavy-duty CNC machining centers, gantry systems, and industrial automation requiring strong axial force. The larger diameter allows it to withstand greater compression and tension, enabling long travel distances without compromising on stability. The 40 mm lead contributes to faster linear movement, which is particularly valuable for equipment requiring long-stroke, high-speed performance. With this configuration, users experience improved time efficiency and reduced operational downtime.

Both series utilize advanced heat-treated alloy steel, precision-ground ball tracks, and optimized recirculation structures to achieve superior wear resistance and durability. The use of high-grade materials ensures each screw maintains structural integrity under demanding conditions such as continuous operation, rapid acceleration, and heavy dynamic loads.

Accuracy classification also plays a vital role in performance. The C3 grade offers extremely low lead deviation, making it ideal for precision machining requiring micron-level accuracy. Meanwhile, the C5 grade provides excellent cost-performance balance for applications where stable motion and long service life are the primary requirements. The ability to choose between these accuracy levels allows manufacturers to match ball screw performance to specific project needs.

Another highlight is the low-preload and medium-preload options available for SFY1616 and SFY2040 ball screws. By adjusting preload, users can reduce backlash, enhance rigidity, and ensure consistent operation across a variety of mechanical environments. When combined with proper lubrication, these ball screws achieve long-lasting, efficient performance with minimal maintenance needs.

In summary, the SFY1616 and SFY2040 ball screw series deliver exceptional accuracy, strength, and reliability for a wide range of mechanical applications. Whether used in CNC machines, automated production lines, or precision positioning systems, these high-accuracy ball screws provide a robust foundation for achieving consistent, high-quality results. Their optimized designs, advanced material structures, and flexible accuracy options make them an excellent choice for industries seeking enhanced efficiency and long-term performance stability.

Ball screws are essential components in machines that require accurate, smooth, and efficient linear motion. The SFY1616 and SFY2040 ball screw series are especially recognized for their high-load capabilities and excellent motion performance, making them ideal for various automated systems and CNC applications. Designed with robust construction and advanced precision engineering, these ball screws ensure reliable motion control under continuous dynamic loads. This article outlines the key industrial applications where both series excel and explains why they are preferred in high-load environments.

The SFY1616 ball screw series is commonly utilized in precision machinery, where accuracy and responsiveness are crucial. Its smaller diameter and moderate lead make it suitable for compact CNC routers, engraving machines, and laboratory equipment where smooth movement and precise control are essential. In these applications, SFY1616 enables users to achieve fine surface finishes, consistent toolpaths, and stable positioning without fluctuations caused by backlash or friction.

In automation systems, SFY1616 ball screws support light to medium load applications such as pick-and-place devices, vision inspection machines, and compact robotics. These systems require rapid start-stop cycles and smooth acceleration, which the SFY1616 series handles with ease due to its optimized ball circulation design. Its lower mass helps reduce inertia, enabling faster movement and reduced energy consumption.

The SFY2040 series, however, is designed for heavy-duty applications. With its larger diameter and 40 mm lead, it is capable of handling high axial forces while maintaining stability over long travel distances. This makes SFY2040 ideal for industrial CNC machining centers, large-format routers, vertical and horizontal mills, and heavy-load automation systems such as gantry robots and multi-axis positioning platforms.

In CNC machine tools, SFY2040 ball screws are frequently used for X-, Y-, and Z-axis motion control, delivering high rigidity to support aggressive cutting forces. The ability to carry heavier loads without deformation ensures precise toolpath execution, improved machining efficiency, and longer machine life. When paired with high-performance servo motors, the SFY2040 series helps achieve smooth operation even during high-speed machining or quick acceleration during rapid travel.

Moreover, the SFY2040 series is widely applied in industrial automation, including palletizing robots, automated warehouse systems, packaging machinery, and linear transfer modules. These systems demand reliable high-load performance, constant motion stability, and minimal maintenance—all of which the SFY ball screw design delivers. The series’ durability and heat-resistant construction enable it to withstand long working hours and harsh industrial conditions.

Both SFY1616 and SFY2040 ball screws also support customizable preload levels, enabling users to fine-tune stiffness and eliminate backlash based on specific application requirements. This flexibility enhances motion control accuracy and extends service life by distributing loads more efficiently.

In conclusion, the SFY1616 and SFY2040 ball screw series are versatile solutions designed to meet the needs of both precision-oriented and heavy-load industrial applications. Their advanced engineering, smooth motion characteristics, and strong load-bearing capabilities make them reliable choices for CNC machinery, automation equipment, and high-performance linear motion systems. Whether the goal is fine precision or robust load handling, SFY ball screws provide the performance, stability, and longevity that modern machinery demands.