সিটিজেন A20

Citizen A20

This 6-axis Citizen Cincom A20-VII was manufactured in 2018. It features a maximum bar diameter of 25.4 mm and a maximum machining length of 200 mm. The machine includes a robust tooling system with 22 tool positions and live tooling capabilities. If you are looking to get high-quality turning capabilities, consider the Citizen Cincom A20-VII swiss-type turning machine we have for sale. Contact us for further details regarding this machine.

• Condition: Under power, visible in operation
• Spindle hours: approx. 7,000 h
• Axes/configuration:
• Total axes: 6 (5 linear: X1, Y1, Z1, X2, Z2 + C-axis)
• C-axis: on main and counter spindle, resolution 0.001°, 90° index 0.27 s
• Working capacity:
• Max bar diameter: 20 mm standard; Large Bore option installed: 25.4 mm (1")
• Max machining length per chucking: 200 mm with synchronized guide bush
• Max projection from counter spindle: 80 mm
• Main spindle:
• Max speed: 10,000 rpm (limited to 8,000 rpm with 25.4 mm bore by parameter)
• Motor power: 2.2 / 3.7 kW
• Max drilling: Ø12 mm
• Max tapping: M8
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• Counter spindle:
• Max speed: 8,000 rpm
• Motor power: 1.1 / 1.5 kW
• C-axis: Yes, resolution 0.001°
• Tooling system:
• Total tool positions: 22 + α
• Live tooling: Yes
• Driven tools: 4
• Driven tool motor power: 0.75 kW
• Max live tooling speed: 8,000 rpm
• Tooling layout:
• Gang tool post: 5 turning tools, 16 x 16 mm
• Cross driven tools: 4 x ER16
• Front tool positions: 4 fixed driven tools + 2 double ER11 positions
• Rear tool positions: 3 fixed tools + 1 ER11 driven tool on counter spindle
• Boring tool diameter: Ø25.4 mm on 3 positions
• Travels:
• X1: 55 mm; Y1: 308 mm; Z1: 200 mm
• X2: 55 mm; Z2: 200 mm
• Feed/accuracy:
• Rapid traverse: 30 m/min (X/Y/Z)
• Linear resolution: 0.0001 mm
• Rotary resolution: 0.001°
• Fluids:
• Oil tank capacity: 180 L
• Installation data:
• Power supply: 200 V ±10%, 50/60 Hz
• Power requirement: approx. 13 kVA (15 kVA with high pressure coolant)
• Air supply: 0.5 MPa, 100 NL/min
• Installed options:
• Large Bore option S393 with 25.4 mm (1") spindle bore

Additional equipment

• Bar feeder: LNS EXPR S3 320 Z, 3 m capacity, up to Ø25 mm
• High pressure coolant system: Citizen 1.5 MPa, 15 L/min, 50 μm filter
• Chip conveyor: Hinged type, rear discharge
• Long parts discharge
• Extraction unit (mist/fume)

Technical Specification
Counter Spindle Yes
Driven Tools Yes