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5-Axis Swarf Looks Correct - Code is Wrong


Reko
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sure, if the machine has any common sense to it and does what the software is telling it to based on a set of 'standard' expectations

...

 

And those standards would be???? Anything like m-codes???

 

:rofl:

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GREAT NEWS!!!

 

"We" (and by that I mean you guys, my dealer and me) :) figured it out!

 

I re-set up the part on a 5 degree angle and the toolpath looks great.

 

Singularity!

 

Now I know what to look for!

 

Oh, and I never get tired of saying it... thanks guys, for all of your help!

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So did you make a fixture that tilted the part 5 degrees, or set a workoffset 5 degrees from zero?

 

We physically machined the fixture with the angle and reset all of the zero's... that way, it moved the points of singularity away from the flat of the B-axis platter, which is where the breakout of the groove was at A-zero.

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Glad we were able to point you in the right direction.

 

Yeah... and this might sound weird, but I actually like problems like this... I really learned a lot from this experience.

 

 

@Tim (MTB Technical Services)

"This means that there are an infinite number of solutions for a C-Axis angle for a vector of 0,0,1 ."

 

I had to re-read your post several times, but I think I get what you are saying and it is exactly the problem I had here... vector K... the 1 in your 0,0,1, points straight up through the spindle... on this part, it was like the perfect storm... everything coming together to confuse the math.

 

Good stuff. :cheers:

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I had to re-read your post several times, but I think I get what you are saying and it is exactly the problem I had here... vector K... the 1 in your 0,0,1, points straight up through the spindle... on this part, it was like the perfect storm... everything coming together to confuse the math.

Good stuff. :cheers:

 

If you read into the subject more it becomes pretty interesting (for a geek like me anyway, LOL).

In quantum mechanics it's more like a back hole exploding or a Big Bang.

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the geometry looks fairly flat. If it is positioned near A zero where the Haas platter is horizontal you can get these big reversals of the B axis. changing the angle increment can help (.03 degrees has worked for me).

best solution for the setup would be to fixture the part at an angle where all the work will be done in a quadrant without risk of sign reversals on both rotaries.

We physically machined the fixture with the angle and reset all of the zero's... that way, it moved the points of singularity away from the flat of the B-axis platter, which is where the breakout of the groove was at A-zero.

FIRST!

not bragging or anything..just sayin,. :laughing: :laughing: :harhar::cheers:

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