| Specification |
Metric |
Imperial |
| Manufacturer |
Mitsubishi |
Mitsubishi |
| Model |
MAF 280/210 NC |
MAF 280/210 NC |
| Machine Type |
CNC Floor Type Horizontal Boring Machine |
CNC Floor Type Horizontal Boring Machine |
| Year of Manufacture |
1979 |
1979 |
| Rebuilt / Retrofit |
2010 |
2010 |
| Control System |
Siemens 840D Solution Line CNC Control |
Siemens 840D Solution Line CNC Control |
| Spindle Diameter |
210 mm |
8.27″ |
| X-Axis Travel (Column) |
12,500 mm |
492.12″ |
| Y-Axis Travel (Headstock Vertical) |
6,000 mm |
236.22″ |
| Z-Axis Travel (Main Spindle) |
1,300 mm |
51.18″ |
| W-Axis Travel (Ramstock) |
1,000 mm |
39.37″ |
| Combined Z + W Travel |
2,297 mm |
90.45″ |
| C-Axis Travel (Auxiliary Spindle) |
500 mm |
19.68″ |
| Combined C + W Travel |
1,500 mm |
59.05″ |
| Main Spindle Speed Range |
3 – 600 RPM |
3 – 600 RPM |
| Auxiliary Spindle Speed Range |
75 – 2,800 RPM |
75 – 2,800 RPM |
| High-Speed Attachment Shaft |
7 – 2,500 RPM |
7 – 2,500 RPM |
| Main Spindle Motor |
75 / 89 kW |
100 / 120 HP |
| Auxiliary Spindle Motor |
15 kW |
20 HP |
| Front Plate Dimensions |
805 x 1,075 mm |
31.69″ x 42.32″ |
| Rapid Traverse (X, Y, Z) |
5,000 mm/min |
196.85 IPM |
| Feed Rate |
1 – 4,000 mm/min |
0.04 – 157.48 IPM |
| Main Boring Spindle Diameter |
210 mm |
8.26″ |
| Main Milling Spindle Diameter |
310 mm |
12.20″ |
| Main Spindle Taper |
ANSI #60 |
ANSI #60 |
| Auxiliary Spindle Diameter |
280 mm |
11.02″ |
| Auxiliary Spindle Taper |
ANSI #60 |
ANSI #60 |
| Maximum Thrust |
2,994 kg |
6,600 lbs |
| Coolant Through Spindle |
Yes |
Yes |
| Axis Configuration |
X, Y, Z, C, U, W Axes |
X, Y, Z, C, U, W Axes |
| Universal Milling Head |
Model UHM-40, 1,067 mm Reach |
Model UHM-40, 42″ Reach |
| Long Reach Milling Attachment |
#50 Taper, 1,200 RPM |
#50 Taper, 1,200 RPM |
| Facing Head |
Model SHM-2000, U-Axis Surfacing Slide |
Model SHM-2000, U-Axis Surfacing Slide |
| Chip Removal |
Full Length Chip Conveyor |
Full Length Chip Conveyor |
| Jib Crane Capacity |
1,814 kg |
2 Ton |
| Spare Parts |
New Spare Spindle & Bearings Included |
New Spare Spindle & Bearings Included |
| Machine Features |
Siemens 840D Retrofit (2010), Universal Milling Head, Surface Facing Head (U-Axis), Long Reach Milling Attachment, 2,800 RPM Auxiliary Spindle, Through-Spindle Coolant |
Siemens 840D Retrofit (2010), Universal Milling Head, Surface Facing Head (U-Axis), Long Reach Milling Attachment, 2,800 RPM Auxiliary Spindle, Through-Spindle Coolant |
| Notes |
Originally installed in a .. Government Facility. Partially rebuilt and retrofitted with Siemens 840D CNC control in 2010. |
Originally installed in a … Government Facility. Partially rebuilt and retrofitted with Siemens 840D CNC control in 2010. |
