... Speed CNC Cutting Machine (DK7740H) 5-axis Intelligentize/Multi-times stable/efficient/easy operate TM/ ISO9001:2008 Middle Speed CNC Wire ... low-wire speed machine.Best surface roughness Ra1.5μm.Control system HL, HF,YH etc ... Wire has back and forth function.Fifth Axis FunctionAdd fifth axis based on X,Y,U,V axes ... has two kinds:SBC and computer controller.And the computer controller has YH,HF,HL,PM-K ...