Hi All,

I am new here and this is my very first time using a CNC machine. I am having some issues with the roughness of the cut.

I am trying to cut letters from a 12mm board using a 4mm drill, travelling 20mm/sec doing to passes of 6mm and the spin rate is full.

Can anyone tell me where I am going wrong? I have attached a photo of the cut.

Thanks in advance

Zeak
PS. Not in Australia but close by in Vanuatu