Makino A77 CNC Machining center year 1994
Technical Data:
Spindle | |
| Taper | BT 50 |
| Speed | 20-10.000 rpm |
| Start up time | 1,0 s 0 – 5.000 rpm / 3,7 s 0 – 10.000 rpm |
| Drive motor ratings | AC 26 kW (cont.) / 30 kW (30 min) |
| Orientation | Electrical servo |
| Tool clamping force | 19,6 kN (2 ton) |
| Tool changer for | 130 pcs. |
Range of movements | |
| Axis travel | X: 800 mm |
| Y: 750 mm | |
| Z: 770 mm | |
| Spindle center line to pallet top | 100 – 850 mm |
| Spindle end to pallet center | 180 – 950 mm |
Pallet | |
| Pallet size | 600×600 mm |
| Pallet worksize | Ø 910 mm / 1.000 mm H |
| Allowable load | 1.200 kg |
| Pallet clamp force | 94,1 kN (9,6 ton) |
| Pallet locating | Taper bushings at 4 points |
Index table | |
| Minimum index angle | 1° |
| Number of indexing points | 360° |
| Indexing accuracy | ± 2,0 s |
Rotary table | |
| Minimum index angle | 0,001° |
| Positioning accuracy | ± 5,0 s |
| Positioning repeatability | ± 2,0 s |
Automatic pallet changer APC | |
| Number of pallets | 2 |
| Pallet change time | 14 s |
| Stocker indexing | Manual / every 90° |
PositioningThe accuracy and repeatability specifications below are static positioning checks | |
AccuracyMax. deviation over the entire length of stroke (560mm) | |
| Standard | ± 0,003 mm |
| Scales | ± 0,002 mm |
Repeatability | |
| Standard | ± 0,015 mm |
| Scale | ±0,001 mm |
Feed | |
| Minimum move increments | 0,001 mm |
| Jog feed rate | 2 – 1260 mm/min |
| Rapid traverse rate | 30.000 mm/min |
| Programmable feed rate | 1 – 30.000 mm/min |
Machine | |
| Height | 2.920 mm |
| Weight | 15.000 kg |
| Floor space | 5.680×2890 mm |
