... 24000rpm >AC380V/50-60Hz >ISO9001, ISO14001, CE CNC Metal Milling and Engraving Machine:1.The bed lathe is welded with thick cast steel ... , and quenched before shaping to eliminate innerstress, so the working ... .5KW powerful spindle motor, 24000rpm, cooled by water.Application:1. Engraving and cut some metal such as iron, copper, aluminium etc ...