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In addition, using a little washing up liquid in water provides an excellent cutting fluid and using a 'climb' cutting direction seems to improve surface finish to the cut edge.

single flute "O" flute.

definitely recommend single flute, will make your life easier.

Single or 2 flute sharp cutter. Look at APT's website for something that will suit.

Remember that too many earths may result in a ground loop. so take the earth to just one place (think star point) I there a ground between the pc and controller try a different usb lead.

Ok well if your happy all is well with the earthing give the "dont ask me this again" option a try, as your describing it as an intermittent problem, plus you've added the MDF bed, I feel that it...

Hi Kev,

This is a common problem for a few with an OmniCNC machine using a cdxhctech.com card, as I understand its related to USB and is caused by signal level, interference and earthing problems,...