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Myth Project

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Posts posted by Myth Project

  1. Hmmmm...  I suppose I see the delima now...  I've never played with 5 axis programming.  This project has turned from a big pain in the butt, to complete nightmare...  Not only do I have that issue to work through, but I also need to find tooling to cut this feature.  So far best candidate is solid carbide .750 x 9.0 oal.  :thumbdown:  I'm not sure how to modify everything I need to in MX9, but I guess it's trial by fire time.  Thanks for the explanation Colin. 

  2. I don't understand why I would.  I'm still only working on 4 axis', just not completely sure I know how to make mastercam understand that's what's going on. Lol.  (I am trying to figure it out while I'm waiting on ideas.  Thus far, I've noticed I can go in my machine definition and put a tilt angle in...  Not sure if this is going to land me where I need or not, but gotta try something. :laughing: )

  3. I've created my tap, 1/2-13 with a speed of 39rpm and feed of 3.  My feed and speed show correctly in the operation parameter, but when I post it, it's changing the RPM to 50 and the feed to 3.8462...  My OCD will not let me post a decimal feedrate on an inch tap, it's too easy to go with whole numbers.  Why the heck is it getting changed and how can I make it stop?  Thanks guys!

  4. G04 P3000 is a 3 second dwell.

     

    When using the P address for dwell, P represents milliseconds.

    Ahhh, my machines are set up where it represents seconds lol.  For a 5 second dwell I'd use G4 P5.

     

    Well in that case, that warm up cycle seems really short, being only 15 seconds...   :laughing:

  5. I'm curious, G4 P3000 is a 50min dwell, right?  If so, that's like a 4 hour warm up cycle...  Isn't that a lil excessive?  Then again, maybe I'm not warming mine up enough...

     

     The code I currently run on my HAAS VF-5 is:

     

    %
    O89998 (SPINDLE WARM UP LOOP VF-5) 
    G00 G91 G28 Z0 
    G28 X0 Y0 A0 
    S100 M03 
    M98 P89999 L5 
    S200 M03 
    M98 P89999 L5 
    S500 M03 
    M98 P89999 L5 
    S1000 M03 
    M98 P89999 L5 
    S3000 M03 
    M98 P89999 L5 
    S5000 M03 
    M98 P89999 L5 
    S7000 M03 
    M98 P89999 L5 
    G00 X-30. 
    G91 G28 Y0 A0 
    M05 
    M30 
     
    O89999 (MACHINE WARM UP MOTION VF-5) 
    G91 Y-22. Z3. 
    / A90. 
    X-60. Z-8. 
    / A270. 
    Y22. Z8. 
    / A-90. 
    X60. Z-3. 
    / A-270. 
    M99 
     
    %
  6. When you drill from the OD, what your linking parameters are based off of is the geometry you select. in my picture, the distance from the geometry I selected (which is within the ID) and the OD of the part is .500. In order to clear the OD, the values have to be greater than .500. I hope this answers your question.

    ScottBro, when you verify what you posted, does it drag the drill through the stock?  I know you can clearly see the toolpath lines do not collide, but the verify will usually show an issue.

  7. MasterCAM verify can have some issues if you're doing like rotary drilling (cross drilling).  The code will be fine, but it'll look like it's going to drag a tool through your part.  For me it's good like 99% of the time.  Personally never used any other types of verify, so can't input any info on that front.

  8. It's trying to roll it around a cylinder, by making it where your letters are perpendicular to the cylinder it'll roll the way you want.  If you have any issues let me know and I'll try to help. (tested the process before posting the lil "how to")

     

    Best of luck!

  9. Ok, if you're wanting to do what I think you wanna do, have your letters where you can read them in front plane view.  If drawn in "Top" view go to right view, rotate 90°.  Ok, now go back to "Top" view.  You wanna go to XForm, Roll.  Select your letter geometry, pick the starting point as the end of one of your outer letters.  Roll about the Y Axis, put in your diameter you want this rolled to, and BAM! you now have letters created about an arc.  You just need to rotate them back to where you can read them from the top, and I'm sure you can figure that part out.  Hopefully, (if this was what you were going for, this helps)

    • Like 1
  10. I think what he's looking for isn't rolling the lettering around a shaft or cylinder (as you would do with project), I think he's looking for more like making it circular like the way words are written around the edge of a coin.  Am I right Random Machinist?

  11. On the helix bores, if you have a perpendicular entry checked it won't have an issue with the start of the cutter comp.  The only way I know to fix it at the end is hand edit.  Or, you could use a ramp contour in place of the helix bore and as long as your lead in lead out isn't too big you won't have an issue. Same should prove true for 2D contours.  As long as you have ample space for the lead in and lead out, you shouldn't have it placing cutter comp values on arcs.

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