... and machinery design. 4. With 10 years experience in CNC machine industry, excellent and experienced R & D, manufacturing, sales, and ... -held keypad. 7. The communication between normal RS232 and position machine, Ethernet communication (Version V). 8. Automatic tool calibrator. Options: ... . from 2.2kw to 7.5w Water-ring vacuum pump and oil vacuum pump, from 90cbm/hr to 250cbm/hr Configurations ...