G Series

Feature

Starvision G Series Gantry type machining center features large capacity including X travel from 6 to 36 meters and is possible to enlarge to 60 meters, Y travel from 2 to 5 meters and Z travel selection is 1, 1.2 and 1.5 meters. Large workpiece machining used to take a lot of time and Starvision is determined to improve the efficiency. For the transmission system, we use German gear reducer and rack and pinion linear motions which deliver 30m/min in rapid feed rate. With twin servo motors operate synchronously, we are able to eliminate the backlash and achieve an optimal precision. G series perfectly combines speed and precision to achieve the ideal efficiency and is well regarded for large workpiece machining, shipbuilding industry, vacuum equipment machining and railway industry.

Specification

Model	Unit	G-XX20	G-XX25	G-XX30	G-XX35	G-XX40	G-XX45	G-XX50
Travel
X axis	mm	6,000 – 36,000	6,000 – 36,000	6,000 – 36,000	6,000 – 36,000	6,000 – 36,000	6,000 – 36,000	6,000 – 36,000
Y axis	mm	2,000	2,500	3,000	3,500	4,000	4,500	5,000
Z axis	mm	1,000 (1,200/1,500 – opt.)	1,000 (1,200/1,500 – opt.)	1,000 (1,200/1,500 – opt.)	1,000 (1,200/1,500 – opt.)	1,000 (1,200/1,500 – opt.)	1,000 (1,200/1,500 – opt.)	1,000 (1,200/1,500 – opt.)
Spindle nose to table distance	mm	200-1,200 (200-1,400/200-1,700 – opt.)	200-1,200 (200-1,400/200-1,700 – opt.)	200-1,200 (200-1,400/200-1,700 – opt.)	200-1,200 (200-1,400/200-1,700 – opt.)	200-1,200 (200-1,400/200-1,700 – opt.)	200-1,200 (200-1,400/200-1,700 – opt.)	200-1,200 (200-1,400/200-1,700 – opt.)
Distance between column	mm	2,300	2,600	3,000	3,500	4,000	5,300	5,800
Table
Table dimension (L)	mm	6,000 – 36,000	6,000 – 36,000	6,000 – 36,000	6,000 – 36,000	6,000 – 36,000	6,000 – 36,000	6,000 – 36,000
Table dimension (W)	mm	1,500	2,000	2,500	3,000	3,500	4,000	4,500
T-slot (width x number x pitch)	–	28x9x200	28x9x200	28x9x200	28x9x200	28x9x200	28x9x200	28x9x200
Max. table load	kg	5000 ⁽¹⁾	5000 ⁽¹⁾	5000 ⁽¹⁾	5000 ⁽¹⁾	5000 ⁽¹⁾	5000 ⁽¹⁾	5000 ⁽¹⁾
Spindle
Spindle motor	kW	22/26	22/26	22/26	22/26	22/26	22/26	22/26
Spindle speed (gear type)	rpm	4,200 (5,500 – opt.)	4,200 (5,500 – opt.)	4,200 (5,500 – opt.)	4,200 (5,500 – opt.)	4,200 (5,500 – opt.)	4,200 (5,500 – opt.)	4,200 (5,500 – opt.)
Spindle taper	–	BT 50 / ISO-50 / CAT-50	BT 50 / ISO-50 / CAT-50	BT 50 / ISO-50 / CAT-50	BT 50 / ISO-50 / CAT-50	BT 50 / ISO-50 / CAT-50	BT 50 / ISO-50 / CAT-50	BT 50 / ISO-50 / CAT-50
Feed
Rapid traverse (X/Y/Z)	m/min	24/12/12	24/12/12	24/12/12	24/12/12 (24/24/12 – opt.)	24/24/12	24/24/12	24/24/12
Cutting feed-rate	mm/min	7,000	7,000	7,000	7,000	7,000	7,000	7,000
Accuracy
Position accuracy	mm	P0.02/2,000	P0.02/2,000	P0.02/2,000	P0.02/2,000	P0.02/2,000	P0.02/2,000	P0.02/2,000
Repeatability	mm	Ps0.015/2,000	Ps0.015/2,000	Ps0.015/2,000	Ps0.015/2,000	Ps0.015/2,000	Ps0.015/2,000	Ps0.015/2,000
ATC
Tool storage capacity	pcs	32T (40/60/90/120 – opt.)	32T (40/60/90/120 – opt.)	32T (40/60/90/120 – opt.)	32T (40/60/90/120 – opt.)	32T (40/60/90/120 – opt.)	32T (40/60/90/120 – opt.)	32T (40/60/90/120 – opt.)
Max. tool length	mm	350	350	350	350	350	350	350
Max. tool weight	kg	20	20	20	20	20	20	20
Max. tool size (full tools)	mm	Ø125	Ø125	Ø125	Ø125	Ø125	Ø125	Ø125
Max. tool size (next pocket empty)	mm	Ø200	Ø200	Ø200	Ø200	Ø200	Ø200	Ø200
Other
Compressed air	kg/cm²	6.5	6.5	6.5	6.5	6.5	6.5	6.5
floor space (L) (approx.)	mm	12,000 – 42,000 ⁽²⁾	12,000 – 42,000 ⁽²⁾	12,000 – 42,000 ⁽²⁾	12,000 – 42,000 ⁽²⁾	12,000 – 42,000 ⁽²⁾	12,000 – 42,000 ⁽²⁾	12,000 – 42,000 ⁽²⁾
floor space (W) (approx.)	mm	7,000	7,500	8,000	8,500	9,000	9,500	10,000
floor space (H) (approx.)	mm	6,000	6,000	6,000	6,000	6,000	6,000	6,000
Machine weight (approx.)	kg	70,000 ⁽³⁾	75,000 ⁽³⁾	80,000 ⁽³⁾	85,000 ⁽³⁾	90,000 ⁽³⁾

G Series

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