Schaublin 125-CNC retrofit.

Thanks a lot for your help and advice guys. I got the turret.comp finished and working really nicely. (Attached)

Here is a video of it in action, doing it's first production run...



Cheers,
Mark

Thanks for the vid Mark!

Couple of unsolicited thoughts...

• I wonder if part of your threading inserts were dying because they're designed for RH helix instead of LH? Probably not, but I have to wonder.
  • I also saw what looked like a million threading passes.  Perhaps your aren't taking a deep enough cut per pass and rubbing?
• Looks like your pneumatic chuck has adjustable serrated top jaws.  Instead of turning a new step diameter so far out that you run in to the holes, maybe move the top jaws out a couple of serrations?  My Rohm is similar and has a specification on how many serrations you can overhang before they get dodgy.
• Birds-nesting during facing... just cut from OD to ID instead of both directions. That inner step was so shallow you should be able to just plunge in Z- and cut to the ID.

Nice job on the tool changer!

Good point. I didn't consider helix angle. I tried with G76 P1.27 J0.4 R1.8 Q30 but the tip chipped out after a few passes. I then went down in J over a few attempts, with 0.2 resulting in a lot of passes, and the tip wearing out rather than chipping. I ended up with R2 and J0.3. I'd put in a fresh tip and rerun the code to clean up the thread, and use that same tip to rough out the next part.

They are crap Amazon inserts, so maybe  as carbide prices went up, they mixed some sawdust into the mixture