Trapezoidal thread Tr.48x6

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Thread: Trapezoidal thread Tr.48x6

  1. #1
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    Default Trapezoidal thread Tr.48x6

    Hi guys,


    Apologies if it's a wrong thread.

    I need help with the above thread type - Tr48x6. Can't find anywhere any specs telling me exactly what's the major & minor diameter size for internal & external thread, or drill size.
    Found a list of standard ISO trapezoidal threads, but Tr48x6 is not there, so I'm assuming it's not a standard thread type.

    Anyone able to help please ?

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    Default Re: Trapezoidal thread Tr.48x6

    Looks like a worm gear...
    Find the next closest with the same pitch.... then add the difference to each value
    ie. Tr46x6.... difference is 2, so add 2 to each min/max spec value.

    Try finding a lower size, as the tolerance values would be tighter

    Remember to look for the 7H class to find the correct min/max values

    Might pay to actually make an external one (easier to measure), so you then check your internal cutting with mote confidence of it being right.



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Trapezoidal thread Tr.48x6

Trapezoidal thread Tr.48x6