... materials at a high frequency under the application of compressed air, thereby, to form needed characters and graphs. Major ... .02-0.04mmWork voltage/power AC220V±10%50Hz/300WInputting air pressure 0.3—0.6MPaOperating System Support WinME.Win2000 ... , mechanical part, machine tool, metal pipe, gear, pump body, valve, various hardness plastic products, hardware part, Aeronautics, Electronics, war and ...