AMADA AC 255NT punching machine

AMADA AC 255NT punching machine was built in 2007 in Japan. The extremely reliable machine, operating with a force of 20 tonnes is designed for the precise punching of holes in sheet metal made from, e.g. plain steel. The highest level of productivity and a significant increase in production speed with low operating costs is ensured by a high-precision servo-electric drive.

The AMADA AC-255 NT punching machine is offered with extensive equipment, consisting, amongst others, of a capacious turret magazine with 51 stations, a large set of new and used tools and the user-friendly AMADA AMNC-F controller. The total weight of the machine is 12 tonnes.

Technical specifications of the AMADA AC 255NT punching machine

• maximum press force: 20 t (200 kN)
• feed rates in the X/Y axis: 1270/1270 mm
• rapid feed traverse in the the X/Y axis: 80/60 m/min
• number of stations in magazine: 51
• drive: servo-electric
• maximum stroke length: 42 mm
• maximum sheet thickness (plain steel): 3.2 mm
• maximum sheet dimensions (L x W): 1270 x 2500 mm
• maximum workpiece weight: 150 kg
• number of strokes in X axis (hole spacing 25.4 mm, stroke 5 mm): 370/min
• number of strokes in Y axis (hole spacing 25.4 mm, stroke 5 mm): 260/min
• punching accuracy: ± 0.1 mm
• turret speed: 30 rpm
• response time: 325 ms
• stopping time: 305 ms
• operating hours: 26171 h
• compressed air requirement: 500 l/min
• compressed air pressure: 5 bar
• power requirement: 19 kVA
• power supply: 3x 200 V; 50/60 Hz
• dimensions (L x W x H): 4100 x 2560 x 3028 mm
• AC 255NT machine weight: 12000 kg

Equipment of the punching machine

• NC control: AMADA AMNC-F
• extensive set of tools (new and used)
• full technical documentation of the machine