G420

The innovative turn-mill center for high-performance machining of large workpieces

Insights into the G420

The INDEX G420 turn-mill center offers the best performance for customers from the mechanical engineering, automotive and aerospace industries, with high availability and process reliability – the complete solution when it comes to high-performance machining of large workpieces.
Identical main and counter spindles with spindle clearance D 102 mm
Chuck D 315 mm (optionally up to D 400 mm)
Tool stock for up to 139 tools
Powerful motorized milling spindle with proven Y/B quill kinematics for complex 5-axis milling operations
Sophisticated working area concept for turning lengths up to 1,600 mm and variable machining options
High thermal and mechanical stability
High dynamic response (rapid traverse rate up to 50 m/min)
Chip conveyor can be used on the left and right

Key Features

Working area	Turning length	1,600 (2,500 optional)mm
Main spindle	Speed max.	3,500rpm
	Chuck diameter	315mm (400 optional)
	Torque at 100%/40%	800/920Nm
	Power at 100%/40%	34/41kW
Motor milling spindle	Tooling system	HSK-T63 / Capto-C6
	Speed max	12,000 (HSK-t63) / 18,000 (Capto-C6)rpm
	Power max	26 (HSK-T63) / 27.5 (Capto-C6)kW
	Torque max	150 (HSK-T63) / 100 (Capto-C6)Nm
	Slide travel X, rapid traverse, feed force	750 / 30 / 10,000mm / m/min / N
	Slide travel Y, rapid traverse, feed force	+/-170 / 20 / 11,000mm / m/min / N
	Slide travel Z, rapid traverse, feed force	1600 / 50 / 9,000mm / m/min / N
	B-axis swivel angle	-25 / +205 / +/-115degrees
Tool magazine	Tooling system	HSK-T63 / Capto-C6
	Tool weight max	10kg
	Tool diameter max	160mm
	Tool length max	500mm
Tool carrier	Tooling system	VDI-40
	Number of stations	12
	Speed max	5,400rpm
	Torque at 100% / 25%	20 / 35Nm
	Slide travel X, rapid traverse, feed force	185 / 30 / 10,000mm / m/min / N
	Slide travel Y, rapid traverse, feed force	70 / 20 / 11,000mm / m/min / N
	Slide travel Z, rapid traverse, feed force	1,900 / 50 / 9,000mm / m/min / N
General	Length x width x height	5060 x 3000 x 3165mm
	Weight	23,000kg
	Connecting power	112kW
Control	iXpanel - i4.0 ready	Basis Siemens S840D sl

Machine In The Spotlight Series – INDEX G420

The INDEX G420 – a machine capable of producing large components within a compact footprint of just fifteen square metres – is at the forefront of versatile CNC milling machines. Manufactured by German lathe company, INDEX, this machine is only available in the UK, Ireland and the Gulf Cooperation Council through Kingsbury.

Machine in the spotlight – INDEX G420

The growing need for single set-up CNC machines for complex and qualit...

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If you have any questions about our machines, or interest in setting up a new machining process. Our expert team are more than happy to help.