SourceForge.net wrote: > Initial Comment: > would be very nice to see a peck tapping cycle added into EMC for deep holes > or that hard to tap metal. > just adding a Q into the G33 cycle. > so command could look like > > G33 Z-5.0 Q1.0 Kxx.xx > (tap 5mm deep, with 1mm peck depth at XX feed, repeat untill we reach -5mm) > > where Q would denote the peck depth. work little like the G73 drilling where > we just back off a little then continue on our way. > > > Hmm, I've never heard of doing this. It requires the spindle and Z axis to stay in sync for a lot of back and forth moves. If you use spiral flute taps (NOT spiral POINT) you can generally run the tap all the way in in one pass, bringing the chips up the flutes like a drill bit.
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