2018 MIYANO BNA42MSY2 CNC LATHES

Technical Description

The Citizen Miyano BNA-42MSY2 is a fixed-headstock CNC automatic lathe for bar work up to 42 mm diameter, built with two spindles and one turret with a Y axis. The main spindle (SP1) runs to 6,000 rpm with a 7.5/11 kW motor, and the back spindle (SP2) runs to 5,000 rpm with a 3.7/5.5 kW motor. Both spindles have a 43 mm through-hole, DIN 173E collet chucks and a 0.001 degree C axis. Maximum machining diameter is 42 mm on both spindles and maximum machining length is 100 mm. The 8-station turret (HD1) moves in X, Y and Z, with 140 mm X1, 235 mm Z1 and 70 mm (+/-35 mm) Y1 strokes, and every station can take a rotary tool running to 6,000 rpm. The back spindle has its own X2 (129 mm) and Z2 (360 mm) axes, so the machine can work front and back sides at the same time and can run superimposition control, where the back spindle synchronizes with the turret. Rapid feed is 20 m/min in X1, Z1 and Z2 and 12 m/min in Y1 and X2. The machine occupies 2,388 x 1,450 mm of floor space, stands 1,620 mm high, weighs 3,000 kg and has a 165 l coolant tank.