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New to CAD Models

Good Morning! I'm new to using CAD models. I only used them in class. I created a manual plane, line, point alignment to make the model aligned with the machine. The problem I'm having is when I change my alignment or workplane, my points are no longer aligned with my model. They are offset and mess up my dimensions. Do I need to continually redo the manual alignment to keep everything where it should be or am I missing something else? Thanks in advance!
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  • Without a manual alignment, how does the machine know where the part is?


    For what I do when programming, I use Readpoints and Readpoint alignments. I move the origin myself by doing what says above, type READPOINT into my code, auto populates, then I change my theos to 0,0,0, then I align just the read point to X,Y,Z origin. Which changes the machine 0,0,0 to where your probe is located. I generally use a circle when doing this because then i can measure the circle from the readpoint, align to the circle and go from there realigning when i need throughout the program. Sometimes a simple ABC_Align works great. Some of our weldments that we do have such big tolerances and they move so much that i have to align to every little feature just to find the next. If I'm working on a machined part an ABC_Align 9 times out of 10 works every time. Very seldom on machined parts do I have to align to specific features to find the next.
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  • Without a manual alignment, how does the machine know where the part is?


    For what I do when programming, I use Readpoints and Readpoint alignments. I move the origin myself by doing what says above, type READPOINT into my code, auto populates, then I change my theos to 0,0,0, then I align just the read point to X,Y,Z origin. Which changes the machine 0,0,0 to where your probe is located. I generally use a circle when doing this because then i can measure the circle from the readpoint, align to the circle and go from there realigning when i need throughout the program. Sometimes a simple ABC_Align works great. Some of our weldments that we do have such big tolerances and they move so much that i have to align to every little feature just to find the next. If I'm working on a machined part an ABC_Align 9 times out of 10 works every time. Very seldom on machined parts do I have to align to specific features to find the next.
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