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  1. #1
    hi Wilfy

    The only stupid questions are the ones you don't ask! :-)

    You might be confusing precision ground ballscrews with end machining? The really expensive ones are likely to be precision ground eg very accurate, 830 nanometers per centimeter or less (or more). End machining is the sizing of the ends of the ballscrew to allow the fitment of bearings, pulleys or connector to some type of motor to get it to turn. You can and probably have to machine the ends of both types, depending on the application and how its used.
    Last edited by mocha; 19-07-2012 at 11:58 AM.

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