Air flow

[cropwell]

I don't think my pond aerator pump produces even 6 PSI, but it is directed at the cut at all times. I use 8mm internal bore tube and keep the run of tube as short as possible. Just at the beginning of lockdown I decided to revamp my work room and the CNC is yet to be recommissioned, so I can't do pictures of the new, but this is the old :-