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Building an expression for the alignment

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  • Hey 'UK' thanks for following up.
    I've attached a rough draft of the part shaded to show that it's rounded throughout. The surfaces throughout the inside are also contour. I posted these files approximately 3 weeks ago. Exhausting all avenues to get through to 'louis' who was showing the most help at the time while the others as one put it, were trolling. Exhausting all avenues I attached another file that I thought would best show where I need to put the code and how I could use the menus to do that. I've attached the first rough draft approximately 3 weeks ago, and after exhausting all avenues, I've attached the second (Expression Builder) approximately a week and a half after that.
    I have reattached these files 'UK' and I have to hand it to you, in comparison to yours, you're virtually right on target with a good analogy. The part is hollow and the ends they are are radial with a small angle for a flat. The CAD model of the ends are at 15° degrees with a radial perimeter on the outer edges.
    If you were to look at this part from the 'X' work plane the upper and lower inside diameters on the ends are of the same size except the left end diameters are slightly smaller. Looking fro from that view (X work plane), they take on the look of rounded slots.
    They are the best thing to use as a way to get the center of each end. The part is fixed on the CMM like it is pictured in the rough draft15° Ends. The length of the part runs in the 'X' axis. As long as you don't have a DEA CMM...Slight smile
    As I indicated in the beginning of the post, my measurements vary from .016 thousandths to .024 thousandths out of tolerance. The alignment is accurate and on target, it's the part that changes. The angles will fluctuate from minutes to a degree off, and if anyone knows trig, that will affect the end result. I need to have the best alignment, not the best dimension as some of these other guys are having a hard time understanding.
    I've reattached the files and I'm thinking you could help with the best answer for me when it comes to entering the code for the alignment. You're files are very good and I appreciate you hopping on here with them. That shows a lot and because of that I'm thinking you will be able to help with an answer... Thanks!


    Can't you show us a close up snapshot of the CAD model instead of your 1993 Mike Judge hand drawn version?
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  • Hey 'UK' thanks for following up.
    I've attached a rough draft of the part shaded to show that it's rounded throughout. The surfaces throughout the inside are also contour. I posted these files approximately 3 weeks ago. Exhausting all avenues to get through to 'louis' who was showing the most help at the time while the others as one put it, were trolling. Exhausting all avenues I attached another file that I thought would best show where I need to put the code and how I could use the menus to do that. I've attached the first rough draft approximately 3 weeks ago, and after exhausting all avenues, I've attached the second (Expression Builder) approximately a week and a half after that.
    I have reattached these files 'UK' and I have to hand it to you, in comparison to yours, you're virtually right on target with a good analogy. The part is hollow and the ends they are are radial with a small angle for a flat. The CAD model of the ends are at 15° degrees with a radial perimeter on the outer edges.
    If you were to look at this part from the 'X' work plane the upper and lower inside diameters on the ends are of the same size except the left end diameters are slightly smaller. Looking fro from that view (X work plane), they take on the look of rounded slots.
    They are the best thing to use as a way to get the center of each end. The part is fixed on the CMM like it is pictured in the rough draft15° Ends. The length of the part runs in the 'X' axis. As long as you don't have a DEA CMM...Slight smile
    As I indicated in the beginning of the post, my measurements vary from .016 thousandths to .024 thousandths out of tolerance. The alignment is accurate and on target, it's the part that changes. The angles will fluctuate from minutes to a degree off, and if anyone knows trig, that will affect the end result. I need to have the best alignment, not the best dimension as some of these other guys are having a hard time understanding.
    I've reattached the files and I'm thinking you could help with the best answer for me when it comes to entering the code for the alignment. You're files are very good and I appreciate you hopping on here with them. That shows a lot and because of that I'm thinking you will be able to help with an answer... Thanks!


    Can't you show us a close up snapshot of the CAD model instead of your 1993 Mike Judge hand drawn version?
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