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Thread: wear correction in uM

  1. #1
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    wear correction in uM

    Hi there,
    I have the folowing question,
    In the company i used to work i worked with fanuc lathes 15,18i and 21i and i was used that when i used a correction is the tool wear 4 [+ INPUT] that it actualy corrected 0.004 mm. I also changed this parameter on a new machine so that the correctin was performed in 4 uM and not 4 MM.
    In the company i now work i work with a fanuc Oi-TC contolled lathe but when correcting 4 [+INPUT] it corrects 4 mm, I've been looking in the parameter manual witch parameter to change so it corrects 4 uM but i cann't seem to find it.
    ANyone got the answer to my question???

    Thanks for now Gaston


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    I don't have experience on that specific control; in the parameter manual (B-64120EN/01) parameter 5013 has relevance and seems to validate your issue.
    Try inputting 0.004 instead of 4 (may have to use decimal point entry).
    Goed geluk!


  3. #3
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    parameter 3401#0
    Attached Files Attached Files


  4. #4
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    thanx for both your replys.
    Gonne work now and wil give it a try.


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    checked the parameter manual about parameter 5013 en 3401.
    5013 is about the maximum tool wear compensation and parameter 3401#0 if i read it correctly effects the adresses in a program line fox example x10 equals x 0.1 in staed of x 10.0.
    What i am looking for is just in the tool wear (and geometry) to have the effect that a correction of 4 [+INPUT] raises the value with 0.004mm in stead of 4 mm.


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    I don't see other parameters that could be involved. #3401 seems to relate only to programs. I looked in the 16/18/iA manuals too with the same result.
    Can't help you further.


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    How about 3455 bit 0?

    Bit axis
    AXDx If a decimal point is omitted for an address with which a decimal point
    can be used, the value is determined:
    0 : In accordance with the least input increment.
    1 : In millimeters, inches, or seconds. (calculator-type decimal point
    input)
    NOTE
    1 This parameter is valid if bit 0 (DPI) of parameter
    No. 3401 is set to 0.


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    If the program is in terms of mm, it may not be a good idea to have wear offset in microns. Mix-up might cause confusion sometimes. Moreover, I could not find a parameter to control this.


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    Registered fordav11's Avatar
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    yep, could be 3455 bit 0 that controls it
    On my machine 3455 bit 0 is 0 and 3401 bit 0 is 0.
    I can type 4 INPUT+ and it puts 0.004 (mm) on the offsets.


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    checked the parametermanual today and parameter 3455 is as is 3401 related to program parameters , after seeing this i checked on my machine and was very surprised that parameter 3455 is actually not to find on it, it goes from 3454 straith to 3456. hmm, strange,.
    So still didn't find out how to answer my question


  • #11
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    quoted from parameter manual: #3455
    This parameter cannot be used together with:
    - Macro executor
    - Basic operation package
    - Macro call argument
    I think that you are using one of these.
    By the way, do you have pigeons (duiven)?


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    Even if 3455 is available on a machine, it is not for what you want (all data in mm, but wear offset in micron).


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