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Thread: G71 type 1 Type 2

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  1. 02-19-2018, 10:23 AM #1
    Al4350
    Al4350 is offline Registered
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    Dec 2017
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    G71 type 1 Type 2

    Hi guys,
    im using a phoniex lathe with fanuc Oi-tc control.
    I'm trying to do a pocket for one of the better terms.
    code is similar to this
    G0 x121. z4.0
    g71 u r
    g71 p q u w f
    n10 go x65.0
    go1 zo.o5
    go1 x75.0 r2.2
    go1 z-10.0
    g02 x67.4 z-15.0 r18.8
    g02 x105 z-30. r18.8
    go1 x115.1r2.2
    z-33.
    ect

    machine does everything properly except for the step down after z-10. it tries to do it in one cut.

    the conversational on the lathe is rediculess.

    any help would be great thanks.
    i have tried splitting the radius up into two canned cycels but same thing.
    I've never expirenced this before
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  2. 02-19-2018, 10:35 AM #2
    ProToZyKo
    ProToZyKo is offline Registered
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    Re: G71 type 1 Type 2

    For type II you need to put X and Z in the N10 line
    G0 X65.0 Z4.0
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  3. 02-19-2018, 04:35 PM #3
    sinha_nsit
    sinha_nsit is offline Registered
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    Re: G71 type 1 Type 2

    May like to read this for detailed information.
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  4. 02-20-2018, 08:30 PM #4
    Al4350
    Al4350 is offline Registered
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    Quote Originally Posted by ProToZyKo View Post
    For type II you need to put X and Z in the N10 line
    G0 X65.0 Z4.0
    Thanks for the info, something so simple.
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