Deep Inside Grooving
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  1. #1
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    Default Deep Inside Grooving

    I need to make an .094 wide groove 3/16" deep and 2" down in a 1.500" bore.

    My #3 Top Notch insert JUUUUST won't quite make it in stock form.
    The bottom of the insert is taking out about .004" on Diameter.
    I knew that it was gunna be close, but I thought it was gunna work, but ... nope!

    I can (and will) put these on Jenny to make fit, but I really don't like grinding on inserts all that much...

    I looked into a #4 bar/insert, but the smallest of those has a 2.500 min bore, so that dog don't hunt...

    Anyone know of someone with more depth reach in stock form in an insert type tool off the cuff?


    ----------------

    Think Snow Eh!
    Ox

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    I've never used one of these Ox, but it looks like it would get in there?

    ISCAR Cutting Tools - Metal Working Tools - GEHIR/L : 281897 - GEHIL 12-15-3-T6

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    Quote Originally Posted by lakey0 View Post
    Oh really?

    I didn't know that they made a "deep" version.


    --------------

    Think Snow Eh!
    Ox

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    Be aware too that they are single sided inserts.

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    Quote Originally Posted by lakey0 View Post
    Be aware too that they are single sided inserts.

    Ahhhh!

    I was wondering if they just ground it back further and you need to relieve the bar (hard to believe - but my bar has already been on Jenny anyhow) or if they projected it out further, and then that put into question how they seat it back in where it needs to be.

    So that answers those questions!

    Thanks!


    ------------------

    Think Snow Eh!
    Ox

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    Makes me wonder if they offer the same thing in a threading insert.

    Ox, weren't you dealing with that on that other part? Your internal threading bar couldn't quite reach?

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    Quote Originally Posted by jancollc View Post
    Makes me wonder if they offer the same thing in a threading insert.

    Ox, weren't you dealing with that on that other part? Your internal threading bar couldn't quite reach?

    Just needed the insert turned around t'other way.


    http://www.practicalmachinist.com/vb/cnc-machining/back-boring-threading-tools-342571/index3.html#post3084501



    ------------------------

    Think Snow Eh!
    Ox

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  12. #9
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    Quote Originally Posted by jancollc View Post
    I've never used one of these Ox, but it looks like it would get in there?

    ISCAR Cutting Tools - Metal Working Tools - GEHIR/L : 281897 - GEHIL 12-15-3-T6
    We use these, but I don't like the way the bar is ground on the backside. You lose a lot of rigidity.


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