A20

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.

Item		A20VIII
Maximum machining diameter		ø20mm / ø25mm option
Maximum machining length	Guide-bush	200mm
Maximum machining length	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