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Post by jbatesmd on Jun 14, 2019 21:52:39 GMT -5
Drill Holder.crv3d (391 KB)I'm trying to cut a 3/8" deep pocket which is coming out closer to 7/8". It is also cutting a 1/4" deep channel across to where the next pocket is to be cut. This is driving me nuts any ideas would be greatly appreciated I'm using a 1/4' end mill. I have zero the Z axis on the material surface and the software is setup from material surface as well. I touched it off using a piece of paper and zero 'd the z -axis   .
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Post by stevem on Jun 14, 2019 22:08:56 GMT -5
post your crv file so someone can take a look at what may be happening!
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Post by jbatesmd on Jun 14, 2019 22:12:00 GMT -5
Ok I posted it in the original post
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Post by Mezalick on Jun 15, 2019 4:01:03 GMT -5
I would suggest that you "recalculate" the toolpaths..just in case you made some changes..
For me, it would be better to have you post the mmg file that you are using.
One curious thing is that your material thickness is set to .75" but you say the machine is cutting to almost 7/8".
Not that this would cause your issue, given that you Z Zero for the top of the material but I think you might get a low Z error.
Michael
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Post by joeblow on Jun 15, 2019 7:24:56 GMT -5
Hi Jbatesmd. Reviewed your .crv file this morning and ran a portion of your job on an AR6Pro. File ran as expected without the issue you're having. Pockets cut .375" deep and the slots cut .75" deep with Z-0 set to material surface. I'm by no means a Vectric/CNC Pro, but I assume the problem you're having is with your method of setting Z-0 to the actual material surface itself.
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Post by jbatesmd on Jun 16, 2019 21:09:16 GMT -5
THanks to all especially joeblow. After seeing that it wasn't the file I went back and tried a couple more times to no avail then I reset the machine cleared the cache and it worked not sure what went wrong if someone has an idea please let me know. It also seems that sometimes a Z can be a little finicky. I have set it then rechecked it only to find that it no longer zeros at the materail surface any idea why this might happen?
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Post by Axiom Tool Group on Jun 17, 2019 11:16:39 GMT -5
This is most likely a matter of Z axis position loss which may caused by a number of reasons, such as lubrication and speeds.
With this being a new machine, I'd assume that it's either related to the Z axis coupling being in need of tightening....the weight of the spindle may be causing some slip within the coupling resulting in the Z dropping during certain motions.
Certain speeds within the controller effect how quickly the Z axis is raised after select operations such as after using the Tool Touch-off Device to set the Z-Axis Origin, or retracting after a cut....In which, if a slip were to occur at either of these points the Z-Axis would be lower than the controller expects.
These speeds should be default set, but changes are very easy to make and may occur inadvertently.
Please feel free to contact our Support team at support@axiomtoolgroup.com for further assistance or restoration files to update those speeds within the controller.
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Post by aussie on Jul 2, 2019 20:47:57 GMT -5
I would also check that the collett has "snapped" into the nut, I had the problem that sometimes the bit would slip during a cut but not always... worth a check.
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Post by RetiredAFChief on Jul 18, 2019 19:42:48 GMT -5
I had a similar problem with mine after getting it all set up. Discovered one set screw on the Z axis coupling had fallen out. You read that correctly fell out, so I must not have tightened it down all the way. I installed it and have had not issues with the machine since (other than my screw ups LOL).
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