

TWINTURN UBER has the highest specifications, features & performance among CNC chuckers.
THE Machine for super-optimized Turning
• 60 Degree Slant Bed
• Monoblock casting with ‘Harcrete’
• 5500 Rpm & 30m/min. Rapids
• Upto 8 tools per spindle with option of through coolant in selected block.
| SPECIFICATIONS | |
| CAPACITY | |
| Swing Over Carriage Cover (mm) | 360 |
| Maximum Turning Dia. (mm) | 250 |
| Maximum Turning Length (mm) | 200 |
| Maximum Boring Length (mm) | 150 |
| Chuck Size (mm) | 165 |
| MAIN SPINDLE | |
| Spindle Nose (Standard) | A2-5 |
| Front Bearing Bore (mm) | 85 |
| Maximum Bar Capacity (Std.) (mm) | 40 |
| SPINDLE DRIVE | |
| Spindle Motor rated power (KW) | 7.5/11 |
| Inf. Variable speed range (std.) (rpm) | 100-4500 |
| Inf. Variable speed range (opt.) (rpm) | 100-5500 |
| LINEAR SLIDE | |
| X-axis Stroke (mm) | 500 |
| Maximum No. of tools / side | 8 |
| Tool Shank Size | 25×25 |
| Maximum Tool Bore Size (mm) | 40 |
| RAPID TRAVERSE | |
| STANDARD | |
| X-axis (m/min.) | 30 |
| Z-axis (m/min.) | 30 |
| POSITIONING REPEATABILITY | |
| X-axis (m/min.) | + 1.5 Microns |
| Z-axis (m/min.) | + 2 Microns |
| CNC Controls: SIEMENS 828D/828D(SL)/ FANUC 0iTF |
Note: Product improvement is a continuous process at “Marshall”. Design & Specifications are therefore, subject to change.