Home Products Forums Ask the Engineer Stainless steel lead screw/bronze nut information

This topic contains 1 reply, has 2 voices, and was last updated by Roton Engineering Roton Engineering 12.16.2019.

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    s.culella
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    We are looking at moving forward with more testing of the 3/8” x 0.050” SS lead screw and bronze nut. We are using screw material p/n 61722. Can you please send me engineering spec’s on this size? I am looking for information that includes the accuracy and repeatability. Thanks for your help.

    #74017

    Hi s.sculella,

    The lead error is ± .006 inch/ft.

    Repeatability is a system feature and not part of any screw or nut spec. It is a function of the load, bearings, mountings, coupling, gearbox or drive train, motor, controller, feedback device, operating conditions, etc….in addition to the screw and nut.

    Typically users build the positioning system and then measure the repeatability at intervals during life testing conducted at rated loads and operating conditions.

    Thank you for using our products, and let us know if we can provide more information.

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