SFY04080 Ball Screw

SFY04080 Ball Screw

Product descriptions

The SFY4080 is a highly specialized linear actuator designed for applications where extreme speed is the ultimate priority. By pairing a rigid 40mm shaft with an extraordinary 80mm lead, this ball screw acts as a mechanical overdrive, maximizing linear displacement while keeping motor RPMs safely below critical vibration limits.

• Speed-Optimized Load Rating: While the extreme 80mm pitch trades a portion of its load-carrying capacity for velocity, it still boasts a robust Static Load Rating of ~6,300 kgf, providing plenty of strength for rapid-transit gantries and transfer lines.
• Built for Harsh Environments: The nut is equipped with a smooth End-Cap ball return system and reinforced wipers, ensuring that abrasive dust and debris are kept out of the raceways even at hyper-velocity speeds.
• Installation Ready: Designed to be machined down to 30mm journals, mating perfectly with industry-standard BK30/BF30 end supports.

Product Components

The SFY04080 Ball Screw Assembly is constructed from premium, high-precision elements specifically engineered to perform reliably under hyper-velocity conditions:

Precision Screw Shaft: A robust 40mm diameter threaded rod featuring an extreme 80mm pitch helical raceway, designed for maximum linear displacement per revolution.
SFY High-Lead Nut: The dynamic housing of the assembly, featuring a compact, flanged design. It is equipped with precision-tapped mounting holes for rigid carriage attachment and optimized internal high-speed return paths.
Rolling Elements: Manufactured from high-grade chromium bearing steel, these precision balls provide exceptional load-carrying capacity and low-friction motion.
End-Cap Return System: Engineered with impact-resistant resin or metal end caps, this advanced recirculation system is specifically designed to withstand the intense centrifugal forces generated during ultra-fast ball return.
Contaminant Wipers: Integrated dual-lip seals at both ends of the nut aggressively block abrasive dust and metal chips while effectively retaining internal lubrication.

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