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I don't understand Work Planes

DarthLoser
Believe it or not, I've been programming in PC-DMIS for over 10 years now and I still don't understand Work Planes. I've always figured a way around it and told myself I'd learn it later when I had time.

I was having trouble with something today and finally asked a co-worker for help. He saw what I was trying to do, changed the work plane and everything's fine.

Can someone explain it to me???
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  • think of it as the way the CMM is "looking" at the part. Lets say you have two points in mm [(0,0,0) and (10,0,0)] so they are 10mm different in the X axis.

    now if you were to look at these points in the X direction you would see this >>> . Could you tell how far apart they are? No you couldn't because one would be right behind the other and you wouldn't be able to determine how much distance was between them.


    now if you looked at them in the Y or Z axis you would see something like this>>> . . you can now quantify approximately how far apart those two points are.

    Workplanes work the same way. It allows the CMM to view the distance between the features without trying to look through them.

    Does that make sense?
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  • think of it as the way the CMM is "looking" at the part. Lets say you have two points in mm [(0,0,0) and (10,0,0)] so they are 10mm different in the X axis.

    now if you were to look at these points in the X direction you would see this >>> . Could you tell how far apart they are? No you couldn't because one would be right behind the other and you wouldn't be able to determine how much distance was between them.


    now if you looked at them in the Y or Z axis you would see something like this>>> . . you can now quantify approximately how far apart those two points are.

    Workplanes work the same way. It allows the CMM to view the distance between the features without trying to look through them.

    Does that make sense?
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