Weird tabbing issue

Software Carbide Create
1

Hello everyone -

I am having a very weird issue with regard to contour tabs. I have a piece of stock that claims to be .25 thick, but measured with a caliper, its .231. I have that plugged in, and I set the z on top of the stock using the paper technique.

The program I created is a simple box that has 4 tabs around it.
back stock.c2d (44 KB)

When I go to cut this, it doesn’t honor the tabs. The real issue seems to be it wants to cut deeper than it should be. Its a 2 minute runtime cut, and it only gets halfway through and its already at the bottom of the stock. I guess it just wants to keep cutting for another minute deeper and deeper.

I exported the GCode and viewed it at ncviewer.com, and it looks great.

I just setup a new computer with carbide motion 640 and im using carbide create v8. I’ve cut out contours with tabs several times and haven’t had this issue before.

what could I be missing, doing wrong, or configured incorrectly?

2

What kind of machine / Z axis? Is it possible the configuration is incorrect?

If this is the first time you’ve cut tabs since you set up the machine with the new computer, I would re-run the new machine wizard.

3

With the new computer, yes. It must be something wrong with the config - on my other (old) laptop, the bit lines up right above the bit setter - you can even jog it a little more forward so the x position is at the front of the bitsetter button. On the other computer, the bit barely goes over the bit setter button. It will work, but the gantry wont go up as far as it could.

edit: oh and - shapeoko 4, standard size

4

another interesting thing, is my old computer said “set spindle to 20,000 rpm (set dial to 5)” - where as the new one says “set spindle to 20,000 rpm” only. doubt this is related, just noting it.

edit: something definitely seems off. when I jog up/down Z 0.1 inch, it moves at least .25 if not .5

edit2: i have gone through setup new machine a few times

5

I am having the same issue with mine. I have a Shapeoko Pro XXL. I am running a new PC with the 640 build as well. Interested in the fix.

6

A third party preview of the G-code shows the tabs:

image
image2880×1728 465 KB

Which machine do you have and which Z-axis?

Having a Z-Plus but choosing an HDZ in the Setup Wizard causes overtravel as noted.

Set the origin at the surface of the MDF and jog up 1 inch — how much does the machine move?

1 Like
7

Any chance you ticked the “Ignore Tabs” box in the toolpath settings?

8

That was it, @WillAdams! Thank you! It’s been a very long time since I’ve setup the software. I will write this down for next time (and look a little closer at the pictures). I also should have picked up that the servos sounded completely different than normal.

I still have the issue where it doesn’t tell me what to set the dial to. It used to say 24k, set the dial to five. Now it just says 24k.

Any idea what is going on with that?

9

That should also be a configuration issue — VFD vs. BitRunner.

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10

Thanks. I gave this a shot, but still no change. I have the carbide compact router (as written on the unit), and no bitrunner, i just use the on/off switch and the red dial.

Is there a folder I can delete to purge all the configuration and start from scratch? maybe its corrupt from all my bad configuration?

11

If you click on the version # in the window you should be able to get to the folder where the JSON files are and delete them to start fresh.

1 Like
12

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