RFQ Stainless Mandrel Part
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  1. #1
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    Default RFQ Stainless Mandrel Part

    I need 15 of these parts ASAP.

    You can start with tubing or rod stock. I have had these sort of parts ground before, or they can be run a swiss lathe. The only tricky part with grinding is the inside corner radius <.002" on one inside corner.

    Tubing: McMaster-Carr

    mandrel.jpg
    Attached Thumbnails Attached Thumbnails mandrel.jpg  

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    Print says +/-.001 on 4 decimal places (.2500 diameter) and the .250 O.D. tubing you linked to has a tolerance of +/-.006.

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    .119 and .190 ID's have no length dim...

  5. #4
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    Quote Originally Posted by Dualkit View Post
    Print says +/-.001 on 4 decimal places (.2500 diameter) and the .250 O.D. tubing you linked to has a tolerance of +/-.006.
    The .250 OD should actually be an open dimension, the stock tubing will be fine there.

    The length of the .119 ID hole will be spec'd +/- .010. The .190 is clearance for the .119.

    Sorry for the incomplete print. I didn't draw this one up, but that isn't really a valid excuse. Solid models will can be sent.


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