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Features：

1．  The spindle equipped with NSK bearing made in Japan, which is provided with high-precision and high rigidity. Being high precision, high rigidity and easy to maintenance.

2．  Supplied with FANUC ａpowerful spindle motor manufactured by Japan, large output torque when making low speed, wide region constant power (8),MJ-520B is more suitable for powerful machining in low speed, because it is equipped with two steps speed gear box.

3．  The bed is slant at an angle of 45, which can posses super width work table, the harden guide-way and the reasonable structure can provide the features such as large torque, anti-vibration, easy chips removing. The cross guide way is sealed with turcite.

4．  The servo motor is directly connected with the ball screws on X .Z axis, so the machine has simple driving chain, which can ensure the low noise, clearance and high connection rigidity.

5．  Hydraulic outer turn-round turret which can change tools logically possesses features of simple-construction, large locking force, quick change, easy maintenance and little interference when working.

6．  MJ-520/MC is a turning centre; the spindle of the machine is controlled with C-axis, which adopts high density circle magnetic encoder to feed back, advanced structure, short cut of driving chain, high accuracy, and large output torque. Driving tools on turret are driven by AC spindle motor; it possesses high accuracy, high speed and large twisting force.   

Specifications: (MJ-460)

Max. Swing over bed: 460 mm.

Max. Dia of turning: 230/ 310 mm.

Max. Length of work piece: 300/ 650/ 1143 mm.

Max. Turning diameter: 230 mm, 310mm (8 position turret)

Range of spindle speed: 35-3500 rpm (AC servo motor).

30-3000 rpm (Inverter motor)

Spindle motor: 11/ 15 KW (Servo spindle);

15 KW (Inverter spindle)

Spindle nose: A2-6

Dia. Of spindle bore/Spindle taper bore: 56 mm/ MT: No. 6

Diameter of hydraulic chuck: Standard: 8 inch / Option: 10 inch

Feeding servo-motor (X/ Z): AC 1.4/2.1 kw

Rapid traverse rate: 12/16 m/min

Positioning accurate of X axis: 0.012

Positioning accurate of Z axis: 0.015

Station No. Of tool post: 12 of 8

Indexing time: 0.6 sec/step

Max. Traverse of tailstock: 198mm/ 547mm/1127mm

Traverse of tailstock quill: 90mm

Diameter of tailstock quill: 85mm

Inner bore of tailstock quill: Inner mounting live center

NC system: FANUC 0i Mate

Weight: 3300/ 3800/ 4200 kg

Mounting area: 2558 x 1520 mm

2935 x 1520mm

3767 x 1520 mm