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











