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  When it comes to high-precision positioning for rotary-to-linear motion, the ball screw provides unequaled reliability and performance. These highly efficient components are commonly found on machine tools (CNC axis machines, Broaching machines, Milling machines, Hobbing machines, Grinding machines, Lathes, etc.), robots and precision assembly equipment (like a Semiconductor wafer transport system). They are also frequently found on aircraft and missiles. Why do ball screws fail? Ball screws fail for a variety of reasons, such as accidents resulting from electronic malfunctions, poor design (under capacity), too high preload, misalignment, environmental, operator error, poor maintenance and normal wear and tear over time. Ball screw failure warning signs If your ball screw shows signs of pitting or corrosion from contaminants, it is deteriorating. If it shows signs of heat discoloration and operates roughly (wobbles, chatters, growls, etc.), it is likely inadequately lubricated, misaligned and/or has worn/damaged bearings. If the ball screw suffers…
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Would you like to save your plant $1,000,000 this year? PSI’s award-winning Repairable Asset Control (RAC®) service offers on-site management of MRO parts and manufacture of obsolete/legacy components.