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Do you get any warnings when you post process?
It could be a license issue. Try reinstalling your license. If that doesn't help, let me know your license ID. You can find it in Help->about.

I'm not seeing any issue in the code. If you look in the tap file you should see this code: N0150 M03 N0160 G04 P1.3 Try changing the pierce delay to 0. After post processing you should see the G04 value change to 0. Is the pierce delay still 0.5s? If so I suspect you have a spindle on delay defined...

I had a good look at the post and cannot see anything that could stop it outputting lead ins.
At the start of the cut, does the torch follow the lead in before it starts piercing?

Try changing the tool type to 3. If it now works the problem is probably in your Mach4 configuration.

That sounds like your pierce delay is too short. The torch is starting moving before it has pierced.

I found the problem. I have attached a fixed version of the post. Save the attachment to your computer then double clcik on it. SheetCam should start and automatically install the post. Now restart SheetCam and check iof it works for you.

Could you set up a job ready to post process and confirm the tool number is wrong. Then save the job (File->save job as). If you let me have a copy of the job file I'll take a look and see if I can figure out what is wrong.

Sorry, I should have looked at the thread title. Looking at the post, you should have a 'Tool type' option in your tool definition. That controls the tool number.

What post processor are you using?

Have you updated your post processor recently? If not it may be worth installing the latest post from CandCNC.

Sorry for the late reply. I just realized what is wrong. In the passes tab of your cut operation it is worth setting up a lead in and lead out. A good starting point for both lead in and lead out is an arc radius of 1mm (0.04") and a line length at least equal to your cut depth. Set the angle t...

The reason why I have been holding off is that proper tip-up avoidance is hard. What I did is a hack that only works in some situations. It just happens to work well for your specific application.

I don't know what is going on with the profiles. I'll continue testing and see what I can find.

Link says file not found....

I tried it just now and it worked. Could you try again.

Hey Les, hope all has been well! We've been crazy busy over here and I haven't had time to bother you with requests and bug fixes. I'm sure you have enjoyed my silence lol. I was beginning to think it was something I said :lol: Did you ever get a chance to look into this? It looks like the profiles...

Sorry for the delay in answering but you should not need any extra software. In SheetCam go to Options->machine->post processor and select the burny25 post processor. Next change the 'Output file extension' setting to nc instead of tap.