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I just had another look at the g-code and something looks wrong. What post processor are you using?

If the file cut correctly before the gearbox change it must be an issue with your machine. I have to admit I can't think of any obvious reason for it to do that.

If you set the ramp angle to a shallow angle it will have a similar effect.

In most cases I recommend putting all of your part outlines on one layer. If your drawing includes the outline of the scrap, put that on a different layer. Now you can use an outside offset and let SheetCam figure out inside/outside offsets. In your cut operation go to the cut path tab and make sure...

In your cut operation go to the 'cut path' tab and enable 'minimise thermal distortion' and set the distance to something like half the width of your part.
If that doesn't fix it I can modify the post for you.

I emailed you an evaluation license.

If you install the development version of SheetCam you can give it a try. I would welcome any feedback.

After watching your video I think I understand what is going on. That CommandCNC post tries to detect if you are using the parking option in SheetCam. If it thinks you are not using parking it automatically moves to 0,0. As you have found it can sometimes do odd things. Updating to the latest versio...

It could be that you are using a different post processor on your other computer. Some posts always return to 0,0.

That sounds like a license issue. In SheetCam go to Help->about. Does it show your name?
Try reinstalling the license. If you don't have a copy send me an email and I'll get a copy sent off to you.

I had a look at the support file you sent me and you need to enable parking. In SheetCam go to Options>job options->Parking and turn on 'Use X' and 'Use Y'. It will then move back to 0,0 (or whatever coordinates you enter) at the end of the job.

I misunderstood what you were asking. All you have to do is move your part so it's center is over 0,0. The machine and work dimensions are only shown on the screen for your convenience. They don't affect the g-code. On my milling machine I usually just ignore them because my zero point varies depend...

There is no way for SheetCam to know where the tool will be at the start of cutting so it assumes the cutter is at 0,0 when displaying the tool paths. When you run the code on your machine the cutter will move from it's current position to the first start point. It won't move to 0,0 first.

I have always avoided adding CAD functionality to SheetCam. Writing a decent CAD program is a major task and I simply don't have the resources to do both CAD and CAM. For measuring, right-click and select 'Measure'. You can now click on one point then move your mouse to the other point you want to m...

If you intend to just use SheetCam to generate files to run your machine I'd recommend switching the Burny controller to use G-code (word mode). If you must use ESSI could you ask the people that supplied the machine for an example ESSI file that runs correctly. The problem is that there are differe...