Turning Centers with Twin Spindles TWIN STAR LT EX series | PRODUCTS

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Turning Centers with Twin Spindles TWIN STAR LT EX series

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LT2000 EX with Gantry Loader OGL5: Highly efficient, repeated machining of complex-shaped parts on 3 turrets. Long-run continuous operation is also possible with auto bar feeder and unloading systems.

Achieve ideal balance for 1-2 processes

Highly efficient machining with spindles with same capacity on left and right

Left and right spindles equipped with high accuracy integral motor/spindles make part transfer possible during spindle operation with synchronized C axis control.

		LT2000 EX	LT3000 EX
Spindle motor		11.5/7.5 kW (5 min/cont)	22/15 kW (30 min/cont)
Bar dia	Standard spindle	ø51mm	ø65mm^*2
Bar dia	Big-Bore spindle	ø65mm^*1	ø80mm

*1. Left spindle only
*2. Up to ø69 mm is possible with 10-inch chuck.
Note: The chuck/cylinder used may limit machinable bar diameters.

Turrets with the same upper and lower capacity enable full process-intensive machining

V16 turrets are used on both top and bottom to handle complex shape, multi-process, high mix production. Setup change time can be shortened with permanent tool sets.

	LT2000 EX	LT3000 EX
Milling-tool spindle motor	5.5/3.7 kW (2 min/cont)	7.1/4.1 kW (25 min/cont)
Rapid traverse	X axis: 30 m/min, Z axis: 40 m/min

Achieve the best production system with our abundant lineup: Achieve even greater productivity and process-intensive machining by selecting specifications matched to use, such as simultaneous machining with 3 upper/lower turrets or simultaneous upper/lower Y-axis machining.

Minimize takt time with third turret (Optional): Well-balanced cycle times achieved with simultaneous machining using upper left and right turrets and lower turret. Cycle times can be significantly shortened.

Y-axis specifications (Optional) added on all turrets

Simultaneous upper/lower Y-axis machining possible.

	LT2000 EX	LT3000 EX
Y-axis travel	95 mm YA, YC: +50 to -45 YB: +45 to -50	125 mm YA, YC: +70 to -55 YB: +55 to -70

Highlighted Specs

Item	Unit	LT2000 EX	LT3000 EX
Standard chuck size	in	6	8
Max turning dia	ømm (øin)	210 (8.27)	350 (13.78)
Max work length	mm (in)	130 (5.12)	200 (7.87)
Spindle speed	min^-1	6,000	5,000
Turret		U/L: M-V16	U/L: M-V16
Motor	kW (hp)	L/R: 11.5/7.5 (5 min/cont) (15/10)	L/R: 22/15 (30 min/cont) (30/20)
Machine size (W × D × H)	mm (in)	3,745 × 2,464 × 2,285 (147.44 × 97.01 × 89.96)	4,504 × 2,750 × 2,650 (177.32 × 108.27 × 104.33)
Spec extension		MY, 3T	MY, 3T