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Homag CNC + WoodWOP block function causes CNC console freeze.

9/7/22       
Jared

I'm making acoustical wall panels, which involves drilling a bunch of holes into a 4 x 8 panel: 8mm through-holes spaced 16mm apart, a total of 6880 holes per sheet. My machine has a 7 position drill block that I've loaded up with 8mm bits. WoodWOP has a Block function where you can easily create an array of holes. In my case, WoodWOP creates a nice tiny 2kb MPR file with all 6880 holes, but when I load the MPR file into my 2016 vintage CNC console, the console freezes, goes out to lunch and never comes back. Windows' resource monitor shows all 4 CPU cores redlined but hardly any RAM usage. It does not recover after waiting 30 minutes.

During troubleshooting, I discovered that shrinking the array to half the quantity of holes will work: the console chews on the file for 2 minutes, eventually digests it, and allows me to run it. Turning off WoodWOP's drill optimization (pattern recognition that matches holes with my drill block configuration) does work...I can nest the whole array, but it will only use one drill bit at any given time. Stiles techs haven't yet come up with an answer on why it chokes. To them, I'm not asking the CNC to do anything beyond its capacity but they don't know why it misbehaves. On a whim, I created the same array of holes in Cabinet Vision 2022, which predictably failed. Drawing in Autocad and importing the DXF into WoodWOP resulted in console freeze also. The problem doesn't appear to be linked with how I draw the array, but rather how my CNC console is doing pattern recognition on the MPR file. I don't know how to troubleshoot it further.

I don't mind hacking together 2 separate programs to get my full array, as long as I can get them to run sequentially without physically pressing the start button to activate the 2nd, as it's not production-friendly. That's my question: anyone running a Homag / Weeke CNC know of a way to run 2 programs sequentially in Production Mode without having to push the start button in between?

9/8/22       #2: Homag CNC + WoodWOP block function ...
Tom Gardiner

Not familiar with woodwop or Homag machines but are you able to open the file in an text editor to delete the file footer and header to link the two files?
The other option would be to write code to drill all the holes one axis the use a G5? (I have forgotten the incremental origin code). Loop the drill function up the table then step over and repeat. The file would be small once you figure out the format and the woodwop processor would not be involved.
I can't give you a sample of the code. I am very green at writing g code.

9/10/22       #3: Homag CNC + WoodWOP block function ...
Karl E Brogger  Member

Website: http://www.sogncabinets.com

I'm guessing you got something but bizarre.

Can you run multiple blocks in the same mpr to accomplish what you want?

Maybe just run separate rows or columns?

9/12/22       #4: Homag CNC + WoodWOP block function ...
John Ridgway Member

Website: http://www.stilesmachinery.com

Jared, there is a way to handle heavy files on your model of CNC and controller. Please call Stiles National Technical Support and ask to speak to a woodWOP specialist, who can help explain how to address this. I also saw your note on the woodWOP forum.

Stiles National Technical Support

9/12/22       #5: Homag CNC + WoodWOP block function ...
Jared

Karl: yes I attempted multiple blocks, and it doesn't matter how or in what program the holes are drawn, it's too much for the console to run pattern recognition on.

John: yes Stiles got back to me with a Homag answer, that I should look into another Homag product called IntelliBore. I don't want to purchase another piece of software just for this job though. I'll limp through it and avoid drill-heavy jobs in the future; I was also told that this much drilling may wear out my drill block prematurely.

9/12/22       #6: Homag CNC + WoodWOP block function ...
John Ridgway Member

Website: http://www.stilesmachinery.com

Jared, what you are looking to do should be able to be accomplished by splitting the .mpr into an .mpr & .ply file. This is a feature woodWOP has specifically for heavy files. Also, HOMAG's drilling blocks are well known for their durability and overall life span. Please feel free to contact me directly via email with your contact details, so I can have the correct Stiles NTS representative reach out to you to assist with the .mpr feature.

9/13/22       #7: Homag CNC + WoodWOP block function ...
Karl E Brogger  Member

Website: http://www.sogncabinets.com

What if you do holes in a component, then a block of components?

I've never come remotely close to punching that quantity of holes, so it's a new problem to me.

Any way you could get them to layout in a 32mm interval, then overlap that interval somehow?

Just thinking out loud.


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