Nachi
Nachi NBV-MA Series Broaching Machines

Manufacturer: Nachi-fujikoshi corp
Model: NBV-MA Series
Outline
Realized Stable High-Speed Machining & Environmental Performance Together
High-Speed & Stable Machining by Servo-Motor
Simple & Easy Change-over
Clean
Energy Saving
Space Saving
Features
High-Speed & Stable Machining by Servo-Motor
2.3x Machining Speed (6m/min → 15m/min. Ram ADV-RET time reduced: 14sec. → 6sec.) ○ Cutting Vibration Reduced with Ball Screw
Simple & Easy Change-over
It is able to set the broach length (range: 300mm) and the ram stroke just on the touch panel easily because the broach lifter and the ram are driven by servo motors.
Clean•Energy Saving•Space Saving
Easy Maintenance by Reducing M/C Components
40%-Reduced Space Compared to NACHI’s Conventional M/C’s
Clean Operativity without Hydraulic Devices. Lower Running Costs
Specifications
| Max. pulling force | 50KN |
| Max. stroke | 1000mm (10MA) / 800mm (8MA) |
| Broaching Speed | 1–15m/min |
| Return Speed | 27m/min |
| Lifter Stroke | 400mm |
| Bolster Hole Dia. | 120mm |
| Max. Workpiece Outer Dia. | 290mm |
| Floor space | 1,400mm × 1,900mm |
| Machine Weight | 2,000kg |
Standard Accessory
Pull Head
Retrieving Head
Attached tools
Seat Plate
Special Accessory
Auto Loader
Chip Conveyor
Auto Tool Changer
Broach Stocker
Machine Layout / Dimensional Drawing











