... .with stepping motor/ servo motor 4.HIWIN guide rail High quality cnc machine 3.0kw for metalProduct features: With 600mm* 600mm engraving ... Can meet not only the high sensitivity, high accuracy, high speed small sculpture, but also can adapt to large acrylic cutting, three- ... voltage, overloaded, etc. Each spindle motor is connected with a independent frequency converter, it's more safe and timeproof. ...