Description The Chester Delta T7 CNC Drilling & Tapping Centre is perfect for precise, fast, and repeated machining processes • Highly rigid machine frame for high acceleration • High speed and low noise ballscrew and linear guideways on three axes • Direct drive spindle with standard speed 20000 rpm • Rapid feed 36 m/min to reduce non-machining time Technical Specifications T7 Table Table size 800×420mm T-slot (width x number x distance) 14 × 3 × 125mm Max. load 250kg Travel X / Y / Z Travel 700/450/420mm Spinlde nose to table 150-450mm Spindle center to column 464mm Spindle Spindle taper BBT 30 Spindle servo motor 4.8/21.2 kW 1 9/45 Nm Spindle speed 20000 rpm Feed Rapid speed 36 m/min Cutting speed 1-12000 mm/min X/Y/Z motor power and torque 2.3/2.3/3.3kW 11/11/16Nm Tool changer Number of tools 21 pcs Max. tool length 200mm Max. tool diameter 60mm (80mm next release) Max. tool weight 2kg Accuracy VDI 3441 (Full travel) Positioning accuracy 0.008mm / Full Travel Positioning repeatability 0.006mm/Full Travell General Coolant tank capacity 180 litres Coolant flow rate 40 litres/min Air pressure 0.6Mpa Airflow rate 130 litres/min Power requirement 20kVA Dimensions & weight Dimensions 1880 × 2351 × 2351mm Weight 3500kgs STANDARD ACCESSORIES • SIEMENS 828D Control (PPU280) • Z axis servo motor with brake • Fully enclosed splash guard • Telescopic guards for three axes • 4.8/21.2kW spindle servo motor • Direct drive spindle 20000 rpm • 21 pockets servo type tool changer • Heat exchanger for electrical cabinet • Rigid tapping • 10.4″LCD Display • Ethernet and CF card and USB interface • Automatic lubrication system • Coolant system • Spindle taper air blow • Cutting air blast device • LED working lamp • End of program light • Spindle cooling system • Electronic handwheel (MPG) • Tool box • Leveling bolts and blocks • Coolant gun • Air gun • Chip flushing system • User Manual OPTIONAL ACCESSORIES • 4th axis • Workpiece probe • Tool probe • CTS Coolant through spindle ATS • Oil skimmer
