cnc engraving machine QT5620 conductor,semiconductor cut: graphite,epoxy board,carbide, ... glass, ceramic, ferrite, semiconductor, silicon carbide, refratory bricks etc.QT56 Series CNC Abrasive Wire Cutting Machine is controlled by digital process.It ... , ajustment handle3. tightening spannerSpare parts:synchronous belt: 2moly wire: 2QT5620 cnc engraving machine cnc engraving machine QT5620