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This is a deficiency in SheetCam's spiral pocketing algorithm. All you can do is reduce the stepover. Unfortunately the results are very dependent on the shape you are cutting.

This is because you used splines for the corners. Unfortunately SheetCam has problems with some splines. Can you use arcs instead?

You are center drilling (sometimes called spot drilling). Pecking is where you drill a little way, retract the drill to clear swarf, then drill a bit deeper and so on.

This message means that some lines in the drawing are duplicated. If you are converting a 3D shape it is quite likely for this to happen. One example is if you have drawn a vertical square face. The top and bottom of the face will probably both get exported as lines with the same coordinates. Duplic...

This message means that some lines in the drawing are duplicated. If you are converting a 3D shape it is quite likely for this to happen. One example is if you have drawn a vertical square face. The top and bottom of the face will probably both get exported as lines with the same coordinates. Duplic...

Can you supply a sample of code? I can probably match it to one of the existing posts. -------------------- m2f -------------------- Reply to this post simply by hitting reply in your email client or you can read this topic online here: http://www.forum.sheetcam.com/viewtopic.php?p=8538#8538 -------...

Can you supply a sample of code? I can probably match it to one of the existing posts.

Hi Igor, Send me some samples of code and, if possible, a copy of the relevant parts of the manual and I'll write a post for you. Send them to les {at} sheetcam.com (replace the {at} with @). Les éÇÏÒØ âÉÒÍÁÎ wrote: Dear Sirs I'd want buy Your SheetCam in case if you'll make new postrocessor for Bie...

Hi Erik, Messing about with Mach's xml file is potentially dangerous. However, thinking about it, you can set variables with G-code. You can also read those variables from Mach macros. It would be possible to set a bunch of variables then trigger a custom M-code macro to transfer those variables to ...

Hi Erik, I agree this is not a good idea either,What would be nice,if some how SheetCam could set up the correct DRO's when a file is loaded then the user could make a adjustment if needed,as the tips wear out or whatever chanded the cut Quality,Or is this what scale in the post processor does under...

Hi Erik, The pierce height is hard-coded. You have two options: 1) Take all Z moves out of the post. Mach must then control the Z axis. To do this you need to modify the M5 macro to move the Z to clearance height. You also need to set up the init string to move Z to clearance height. To do this, loo...

Hi Tom, i respectfully disagree on the Z home issue. Homes define a specific known location. On pretty much every CNC machine I have worked on, homes are used to establish the machine's absolute position(machine coordinates). Most commercial machines will not let you do much until you have reference...

I have to admit I also think probe is better than home. Home should be for the machine's physical limits, not the position of the work. Probably very few people bother to use soft-limits. Without soft-limits it doesn't really matter where the Z home is. ISTR that the earlier THC posts did use probe ...