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The Citizen A20, an evolving 5-Axis CNC sliding head machine, furthers the quest for cost and performance, featuring the ability to switch between guide bush and non-guide bush types.

  • New capability to switch between guide bush and none-guide bush operating modes.
  • A20 is capable of machining bar stock up to ø25mm by installing the optional 25mm size chuck device.
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Item A20VIII
Maximum machining diameter ø20mm / ø25mm option
Maximum machining length Guide-bush 200mm
Guide-bush-less 2.5D(Max. 55mm)
Maximum drilling diameter for main spindle ø10mm
Maximum tapping diameter for main spindle (tap,die) M8
Spindle speed Max.10,000min-1
Maximum drilling diameter for rotary tool ø7mm
Maximum tapping diameter for rotary tool M6
Spindle speed of the gang rotary tool Max.6,000min-1(rating4,800min-1)
Maximum chuck diameter of back spindle ø20mm
Maximum protrusion length of the back spindle workpiece 50mm
Maximum drilling diameter in back machining process ø8mm
Maximum tapping diameter in back machining process M10
Back spindle speed Max.8,000min-1
Number of tools to be mounted 21
Tool size Turning tool □12mm (□13mm, □16mm)
Rapid feed rate X1 axis 18m/min
X2 axis 32m/min
Y axis 32m/min
Z1 axis 32m/min
Z2 axis 32m/min
Motors For spindle drive 2.2/3.7kW
For tool spindle drive 0.75kW
For back spindle drive 1.1/1.5kW
For cutting coolant oil 0.25kW
Input power capacity 6kVA
Center height 1,050mm
Weight 2,550kg

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