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Tool Wear Offset in SolidWorks Cam?

Question asked by Dallas Theobald on Jun 12, 2019
Latest reply on Jun 14, 2019 by Dallas Theobald

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I've been manually programming my CNC machine for some time now. Just now getting into the drawing/cam side. I'm curious if there is any way to turn on a tool wear parameter in SolidWorks cam?

When manually programming, we use a D value and can consequently adjust the tool wear for actual size of tools. In the cam software, there is no D value in the g-code as it automatically adjusts the tool path for the selected tool size but doesn't take tool wear into consideration.

Any help is appreciated!

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Craig Serkanic Jun 14, 2019 8:12 AM
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Dallas, tool wear is applied on the NC tab of the contour mill operation.

The area below is how you are allpying it on the shop floor.
So "Tool path Center" area
"With Compensation" selected means you would enter a Zero value in the D area at the machine.
"Without Compensation" selected means you would enter the diameter on the D area of the machine.

Again, compensation can only be applied in a contour mill operation.

Hope this helps!
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- Dallas Theobald @ Craig Serkanic on Jun 14, 2019 12:02 PM
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  Craig,
  
  Thank you for the help!
  
  So, if I understand correctly, if I want to be able to adjust the tool wear at the machine, I need to click compensation on and without compensation. Then I can enter the nominal tool size in my machine and use the tool wear offsets as I normally would when hand programming?
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  - Craig Serkanic @ Dallas Theobald on Jun 14, 2019 12:15 PM
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    You can do that in both cases. I
    
    "With Compensation" (default and preferred method) set the D values on the machine to zero. then if you want to comp something say .002" you would enter a -.001" in the D or wear page on the machine for that tool.
    So for tool #1 that is a .5" dia cutter the D value on the machine would D1=0 to start. Then to comp D1 = -.001"
    
    "Without Compensation" set the D values on the machine to the diameter or radius of the cutter. Then if you want to comp something say .002" you would subtract .002" from the D or wear page on the machine for that tool.
    So for tool #1 that is a .5" dia cutter the D value on the machine would D1=.5 to start. and to comp D1 = .498"
    
    Both do the same thing but the CAM system needs to know which one you are using.
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    - Dallas Theobald @ Craig Serkanic on Jun 14, 2019 12:19 PM
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      Thank you very much, Craig. I appreciate the clarification.
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      - Craig Serkanic @ Dallas Theobald on Jun 14, 2019 12:22 PM
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        anytime!
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John Pesaturo Jun 14, 2019 1:07 PM
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Dallas, to add to what Craig has already said once you have selected CNC Compensation "On" along with Toolpath center "With compensation" the code posted should include a G41 D0x where x=your current tool so there should absolutely be a D value within the code itself if it has been programmed/posted appropriately.
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- Dallas Theobald @ John Pesaturo on Jun 14, 2019 5:20 PM
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  Thanks, John. I've been playing with it today and it looks like I've got it down now. I've got it posting like I'm used to with my hand written code.
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Tool Wear Offset in SolidWorks Cam?

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