Machine Comparison
Mazak FJV BT40 vs Mazak FJV BT50
Yamazaki Mazak vs Yamazaki Mazak · Vertical Machining Centers
Summary
The Mazak FJV BT40 and the Mazak FJV BT50 are two size classes of the same vertical machining center family, and they serve different jobs. The FJV BT40 is a 40-taper machine for die and mold, semiconductor and precision parts, with 22.05 in (560 mm) to 40.16 in (1,020 mm) of X travel. The FJV BT50 is a 50-taper machine for large plates, bases and frames, with 59.06 in (1,500 mm) to 165.35 in (4,200 mm) of X.
The whole BT50 range sits above the BT40 range on travel and table load: 5,512 lb (2,500 kg) to 22,046 lb (10,000 kg) against 771.62 lb (350 kg) to 2,645 lb (1,200 kg). It has 30 kW (40 HP) and 176 ft-lb (239 Nm) continuous against 15 kW (20 HP) and 38.7 ft-lb (52 Nm). The BT40 spins to 12,000 rpm against 10,000 rpm and rapids at 2,047 ipm (52 m/min) against 866 ipm (22 m/min) to 1,575 ipm (40 m/min). Both start at 30 tools.
Specifications Comparison
| Specification | Mazak FJV BT40 | Mazak FJV BT50 |
|---|---|---|
| X-Axis Travel | 22.05 in (560 mm) to 40.16 in (1,020 mm) | 59.06 in (1,500 mm) to 165.35 in (4,200 mm) |
| Y-Axis Travel | 16.14 in (410 mm) to 20.08 in (510 mm) | 31.5 in (800 mm) to 96.46 in (2,450 mm) |
| Z-Axis Travel | 16.14 in (410 mm) to 18.11 in (460 mm) | 25.98 in (660 mm) |
| Max Table / Workpiece Load | 771.62 lb (350 kg) to 2,645 lb (1,200 kg) | 5,512 lb (2,500 kg) to 22,046 lb (10,000 kg) |
| Max Spindle Speed | 12,000 rpm ▲ | 10,000 rpm |
| Spindle Power | 15 kW (20 HP) continuous | 30 kW (40 HP) continuous ▲ |
| Spindle Torque | 38.7 ft-lb (52 Nm) continuous | 176 ft-lb (239 Nm) continuous ▲ |
| Spindle Taper / Nose | BT40 | CAT No.50 |
| Tool Capacity | 30 tools | 30 tools to 60 tools |
| Rapid Traverse | 2,047 ipm (52 m/min) | 866 ipm (22 m/min) to 1,575 ipm (40 m/min) |
| Machine Weight | 14,109 lb (6,400 kg) to 18,739 lb (8,500 kg) | 38,800 lb (17,599 kg) to 101,190 lb (45,899 kg) |
Advantages
Mazak FJV BT40
- 12,000 rpm spindle against 10,000 rpm
- 2,047 ipm (52 m/min) rapid traverse against at most 1,575 ipm (40 m/min)
- Sized for die and mold and precision parts up to 40.16 in (1,020 mm) long
Mazak FJV BT50
- 59.06 in (1,500 mm) to 165.35 in (4,200 mm) of X travel against 22.05 in (560 mm) to 40.16 in (1,020 mm)
- Table load of 5,512 lb (2,500 kg) to 22,046 lb (10,000 kg) against at most 2,645 lb (1,200 kg)
- 30 kW (40 HP) and 176 ft-lb (239 Nm) continuous on CAT No.50 against 15 kW (20 HP) and 38.7 ft-lb (52 Nm)
- Optional 2-pallet changer loads during the cut
Verdict
These machines serve different jobs. Choose the Mazak FJV BT40 for die and mold, semiconductor, electronics and aircraft parts within 40.16 in (1,020 mm) of X, where the 12,000 rpm spindle and 2,047 ipm (52 m/min) rapid shorten cycles with small tools. Choose the Mazak FJV BT50 for large plates, bases and machine frames in cast iron and steel, up to 22,046 lb (10,000 kg) on the largest models, where 176 ft-lb (239 Nm) at the spindle carries heavier cuts.