YAMA SEIKI - GA series

GA-2000 series

SPINDLE		GA-2000	GA-2600	GA-2800
Hole through draw tube		Ø 52 mm ( 2.05" )	Ø 65.5 mm ( 2.57" )	Ø 76 mm ( 2.99" )
Hole through spindle		Ø 66 mm ( 2.59" )	Ø 76 mm ( 2.99" )	Ø 90 mm ( 3.54" )
Spindle bearing diameter		Ø 100 mm ( 3.93" )	Ø 120 mm ( 4.72" )	Ø 130 mm ( 5.11" )
Hydraulic cylinder		8"	10"	10"
Spindle nose		A2-6	A2-8	A2-8
Motor output ( cont. )		11 / 15 kW ( 15 / 20 HP )
Motor full output speed		750 RPM
Spindle drive system		Direct Belt Drive
Spindle drive ratio		4 : 5	2 : 3	7 : 12
Spindle speed range		48 ~ 4,800 RPM	40 ~ 4,000 RPM	35 ~ 3,500 RPM
Spindle full output speed		600 RPM	500 RPM	440 RPM
Spindle torque ( 30min. )		238 Nm ( 176 lb-ft )	286 Nm ( 211 lb-ft )	325 Nm ( 240 lb-ft )
Spindle torque (Peak)		175 Nm ( 129 lb-ft )	211 Nm ( 156 lb-ft )	240 Nm ( 177 lb-ft )
2-SPEED SPINDLE
Spindle speed ranges	L	20 ~ 1,200 RPM	20 ~ 1,000 RPM	20 ~ 875 RPM
Spindle speed ranges	H	1,201 ~ 4,800 RPM	1,001 ~ 4,000 RPM	876 ~ 3,500 RPM
Spindle full output speed	L	400 RPM	333 RPM	291 RPM
Spindle full output speed	H	600 RPM	500 RPM	440 RPM
Spindle torque ( 15 min. )	L	360 Nm ( 266 lb-ft )	430 Nm ( 317 lb-ft )	497 Nm ( 367 lb-ft )
Spindle torque ( 30min. )	H	238 Nm ( 176 lb-ft )	286 Nm ( 211 lb-ft )	325 Nm ( 240 lb-ft )
Cf-AXIS SPINDLE ( OPT. )
Drive type		AC Servo Motor 0.7 kW ( 1 HP )
Toruqe output / max. speed		240 Nm ( 177 lb-ft ) / 33 RPM

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Specifications are subject to change without notice.
*1 GA-2000/300 / GA-2000 / GA-2000L
*2 Work piece supported by chuck & tailstock.
*3 Individual models may vary, please see interference drawings.