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  1. J

    General advice on using reamers

    I've never heard a definitive reason why HSS reamer shanks are so long? is it that they are meant to be flexible as they run, or does it just have to do with some old standard of "blanks" used before the reamer is ground during manufacturing? or something else entirely? I will say that most of...
  2. J

    General advice on using reamers

    I'm looking for advice from anyone who uses reamers successfully on a consistent basis, that could maybe correct some possible misconceptions I have. In my experience, using a reamer for production machining has always been a "last resort" or emergency choice. I have found them to be very...
  3. J

    Help with wire breaking on round part

    I ended up going with the first cut conditions with an edit to the SV of 50.0 and seems to be making it through all the cuts without any breaks
  4. J

    Help with wire breaking on round part

    So after speaking with Sodick apps, I decided to just do some testing on a blank Ø.375 of the same material and just take a few slices off of it. This cut was successful 2 times in a row: C0001 = 0009 015 2215 000 261 +040.0 8.0 0031 0 000 0000 025 160 096 045 000000 000000 250000; And...
  5. J

    Help with wire breaking on round part

    No, I am approaching perpendicular to the axis of the part, so the wire is beginning the cut at the tangency point of the outer diameter.
  6. J

    Help with wire breaking on round part

    I'm new to Wire EDM and am having trouble with a roughing cut on this part. It is a lathe part that I am trying to cut a series of "U" shaped notches into a lathe turned part. The cut is approaching perpendicularly to the axis of the part so engagement of the wire is very thin at the beginning...
  7. J

    help with checking 5 axis center of rotation

    I was not saying that is the setup I am doing, I was just explaining why the earlier post's method wouldn't work without a test bar. Of course I wouldn't change a tool's height to correct a center of rotation issue. I do have a test bar, and a tooling ball and am proceeding with the 3-point...
  8. J

    help with checking 5 axis center of rotation

    Right, I understand that the tool's lengths don't "move" the center of rotation, and that error in the length of the test bar will also be reflected in the tool setter, spindle probe etc. Perhaps it would be better to say, in the above method, your check of the A/Z center will only be as...
  9. J

    help with checking 5 axis center of rotation

    In the above example, it would matter. As I am understanding it. Suppose you tilt to A-90. then face your block at C0 , then without moving the tool in Zrotate and face at C180. Now, center of that web is center of rotation for A, assuming there is no error in the intersection of A/C axis...
  10. J

    help with checking 5 axis center of rotation

    I thought about this as well, but that is still dependent on knowing that tool's gage length very accurately, otherwise the web dimension is also being influenced by error in the length of the tool.
  11. J

    help with checking 5 axis center of rotation

    To my knowledge, this particular machine does not have easy 5. It is a 2010 model, and the original purchaser requested absolute bare bones on options to save money. As such it has 2mb memory, no data server, no offsets beyond G59, no Tilted work planes, about the only option it does have that...
  12. J

    help with checking 5 axis center of rotation

    you are right, on a vertical the probe height can be arbitrary, but not on a 5 axis. The tilt axis center of rotation must be measured from the gage line.
  13. J

    help with checking 5 axis center of rotation

    This is a Matsuura MX520 with a Fanuc 31i
  14. J

    help with checking 5 axis center of rotation

    So I want to use a tooling ball method of finding center of A axis tilt,taking 3-6 YZ readings at various A axis angles. But what I'm not understanding from other posts about this process, is how the Z coordinate of the ball is measured. My assumption is the only way is with a test bar and...
  15. J

    Setup methods for 5 axis work offsets?

    thank you for the replies. So as I understand using COR, a typical OP1 workflow would be as follows: 1) setup all the work holding and raw stock on the machine physically 2) Probe a corner of the stock as WCS datum 3) Compare probed point with machine COR 4) Translate the part in the CAM an...
  16. J

    Setup methods for 5 axis work offsets?

    I am looking for some general recommendations on methods of setting up work offsets on 5 axis machines. As I understand it, you basically have a few main options: 1) Use the center point of rotation as your origin on the machine and CAM software, and "move" the part inside the CAM to the exact...
  17. J

    Insights on transitioning from MC to CATIA V5 and Esprit

    I am starting a new Programming position and am being sent to class for Catia V5 (for design and milling CAM), Esprit (for mill-turn CAM) and Vericut. I come from a Mastercam background, X5,X7, X9 and a little of 2017, as well as Fusion 360 for modelling, milling and mill-turn. Any advice on...
  18. J

    help with HMC part setup

    I wanted to check if I have come up with a valid method of tracking the rotation position of a part (and center of rotation) along B axis rotary in a setup I have going in a HMC. So the part I am working on has some oddball angled walls I have to machine, to be specific, an angle of 6.71° The...
  19. J

    Ot-down in the dumps

    Are you writing your own programs yet, or utilizing a CAM software? or still just an operator? $17 seems appropriate for a 3-4 year operator (without any programming experience). If the old shop has a decent CAM software and they are willing to let you learn/use it, then suck it up and ask for...
  20. J

    Trade language, correct designations, do you care?

    We once had a part-timer helping out in our lathe department at my first shop. He was always calling inserts "bits". It drove me crazy!

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