... slot to a full extent,increasing the pressure pulverization oil pump,thus extends the operation life of the spare parts.3 ... set machine with one set mould,one set water tank,one set vacuum pump,one set dust collector.3).Packing size:1 ... Omron and Siemens on the host computer,motor,graduator,vaccum pump,linear bearing,transducer;lubricates the key parts without oil,so ...