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SKF® Preloaded Precision Ground Ball Screws

By Design World Staff | February 12, 2008

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SKF® “inch series” preloaded precision ground ball screws can deliver smooth performance and high positioning accuracy for a wide range of linear-driving applications in the machine tool industry. These ball screws benefit from a unique internal ball return system offering a more robust and easily interchangeable solution compared with conventional tube recirculation designs.

SKF Precision Ball Screws.jpg


Applications include machines for multi-axis CNC operations, grinding and dressing, broaching, X-Y cutting, milling and boring, drilling and riveting, and countless others.


Among types, the PGC series single nut preloaded cam shape ground ball screw features a compact nut with integral flange for simple mounting. The PGFM series double nut preloaded end flange ball screw incorporates a flanged nut and a cylindrical pilot nut. Internal preloads (adjustable upon request) for both styles are set for optimum rigidity and efficiency. Integral nylon wipers at each end of their nuts protect against contamination.


These durable precision ground ball screws are available in screw diameter sizes from 0.625 in. to 6 in.; leads from 0.100 in. to 1.000 in.; and lengths up to 60 ft. High speeds can be achieved (up to 120,000 DN with standard designs and up to 140,000 DN with an optimized configuration). The absence of burst-prone return tubes typical in conventional designs contributes to high-speed operation potential.

www.linearmotion.skf.com

::Design World::


Filed Under: Ball screws • lead screws, Motion control • motor controls

 

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  • Technologies
    • 3D CAD
    • Electronics • electrical
    • Fastening & Joining
    • Factory automation
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    • Motion Control
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    • Fluid power
  • Learn
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    • Future of Design Engineering
    • MC² Motion Control Classrooms
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