Nachi
Nachi NBV Series Small Size Broaching Machines
Manufacturer: Nachi-fujikoshi corp
Model: NBV Series
Outline
Low-floor type small size general purpose machine
Internal broaching machine of simple construction and space saving
High productivity from keyway to spline cutting
Machining Example
Specification
| NBV-3-6/8 /10 | NBV-3-6/8 /10A | NBV-5-6/8 /10 | NBV-5-6/8 /10A | NBV-7, 5-12 | |
|---|---|---|---|---|---|
| Pulling force (KN) | 30 | 30 | 50 | 50 | 75 |
| Max. stroke (mm) | 600/800 /1,000 | 600/800 /1,000 | 600/800 /1,000 | 600/800 /1,000 | 1,200 |
| Cutting speed (m/min, 60Hz) | 1 to 6.5 | 1 to 6.5 | 1 to 6.5 | 1 to 6.5 | 1 to 7.2 |
| Return speed (m/min, 60Hz) | 12 | 12 | 12 | 12 | 12 |
| Broach lifter stroke (mm) | – | 400 | – | 400 | 400 |
| Bolster hole diameter (mm) | 120 | 120 | 120 | 120 | 120 |
| Max. workpiece dia. (mm) | 300 | 300 | 300 | 300 | 300 |
| Table height (mm) | 1,000/1,200/1,400 | 1,000/1,200/1,400 | 1,000/1,200/1,400 | 1,000/1,200/1,400 | 2,000 |
| Main motor (kW) | 3.7 | 3.7 | 5.5 | 5.5 | 11 |
| Machine height (mm) | 2,100/2,500/2,900 | 2,350/2,750/3,100 | 2,100/2,500/2,900 | 2,350/2,750/3,100 | 4,500 |
| Floor space (mm × mm) | 1,300 × 1,600 | 1,500 × 1,600 | 1,500 × 1,600 | 1,500 × 1,600 | 1,900 × 2,500 |
| Mass of Machine (kg) | 1,500 | 1,700 | 1,700 | 1,900 | 2,500 |
