Centroid Community CNC Support Forum

hi all,

since my lathe is working now, i spend some time to program my parts in Intercon. In general, it is a great feature to create parts on the machine - really fast and good. but i had some weird issues with it.


1. topic is not really a bug, but maybe a proposal for improvement. When i do a oneshot operation for drilling - than the X-Value is automaticaly set to the current X-Position. but i cannot change it to zero in drilling mode. i have to switch to bore or something else, change x-position to 0 and go back to drill. its complicated and if you forget to change it, you will break your tool for sure. is it possible to set X value in drill mode directly to 0 ? i cannot imagine a case when you need here a value different than 0.
2. with Centroid 5.08 i had a weird issue when changing feedrate in a profile operation. i did some inner contour turning. i realised, that the roughing feed is very low, lower than in setup. in the intercon it was setup correctly. when i than changed the feed of the finish pass, the roughing feed changed also. not in the intercon, not in G-Code, but while machining. a really strange issue, i had 2 times, but i cannot repeat it. all feed overwrites and rapid overwrite were set to 100% ! maybe you have an idea.

3. same intercon program. I programed a inner contour, did some pieces of it, everything fine. I saved it, shut down the machine and some days later i want to make some similar parts but with minor changes. so i opened the part, changed only the radius of the arc and when i create the graph i saw a mistake in the escape rapid feed after the operation.
in the picture you can see, that right after the arc the tool is leaving the profile, do not go straight in x to the center before ending. that wasn´t the case before the change.
here you can see the intercon profile, really easy contour: after cannot find a solution for this topic, i deleted all the code and did it again, and it worked. exact same procedure in intercon. i do not have reports for the exact configuration, because i setup my machine right not and do parallel first productive work on it, there is not always enough time to do a proper documentation. but i attached a report of the last days.

for me it seems that intercon is working fine when creating a new program but has some issues with changes.

thanks in advance,
Michael

One Shots are doing its thing from the current position, that is why I have made a VCP button "Change Tool and rapid to X"

https://centroidcncforum.com/viewtopic. ... ton#p69844

Uwe

hi Uwe, thanks, i know that. but its a modification and why it cannot be integrated in the stock version ?

Just a side note, in both sreenshots, you have loaded T0600, this is Tool #6 with no active offset, T0606 would be Tool #6 with Offset #6

Uwe

Hi Uwe, yes thats right, i Made the Screenshots just for showing the issue above, so these are the standardvalues when opening the oneshot.

hi all,

today i had the same issue again. I made a program for testing internal threading ( is attached ).

when seeing the graph the first time i didn´t notice any issue so i started. but when meassuring the thread i figured out, that the core-hole was too big, around 0.5mm. should be 21mm, but it was 21.5mm

so i checked everything, tool setup, radius correction, everything. and than i saw, that it is caused by the profile roughing.
i deleted the thread for the screenshot, you can see, that the roughing path is going through the profile. and i have this issue now the second time on complete different parts, complete different builds and complete different geometry.

report is attached.

i programmed the same geometry starting from a new part, than it is working. so i do not can reproduce it every time.

best regards,
Michael

I can repeat this bug.

It will only occur in your file with depth of cut 1mm.
0.9 and 1.1 is ok, any other value I have tested also.

Uwe

hi Uwe,

good to know, that you have the same bug. i wasn´t aware of the relation with cutting depth, but this could be the reason, why i dont have this issue all the time

hi, yesterday an similar issue, but this time more critical, because it was not visible before in the graph.

i made a very simple inner profile with 17,5mm inner diameter, file looks good in the graph. the tooling itself was good, tool was at 17.5, but the way back it goes at 17.8 in diameter and i had big chatter on the surface, part was not usable.

intercon file and report is attached, was that a mistake from me or what is the issue ? would be great if that get fixed soon.

Michael

Hi Michael,

there is a wrong calculation depending on profile and depth of cut, but easy to see in the graph.

With DoC >1mm it cuts the profile, DoC 0.8mm is ok.

Looks like roughing is ignoring a profile depth lower than the DoC

Uwe