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Aerotech的ALAR系列直驅(qū)轉(zhuǎn)臺(tái)提供卓越的角度定位和速度控制，并且擁有特別大的通孔。使用大通孔和直驅(qū)電機(jī)的組合，ALAR系列使得蝸輪蝸桿傳動(dòng)的大通孔轉(zhuǎn)臺(tái)成為了過去的事情。

ALAR Series Specifications

Model		ALAR-100-SP	ALAR-100-LP	ALAR-150-SP	ALAR-150-LP
Aperture		100 mm	100 mm	150 mm	150 mm
Motor		S-180-44-A	Brushless Slotless	S-240-43-A	Brushless Slotless
Continuous Current	Apk	2.7 A	5.76 A	6.2 A	5.41 A
	Arms	1.9 A	4.1 A	4.4 A	4.1 A
Peak Current, Stall	Apk	10.8 A	33.5 A	24.8 A	31.4 A
	Arms	7.6 A	23.7 A	17.5 A	22.2 A
Bus Voltage		Up to 340 VDC
Length		250 mm	250 mm	300 mm	300 mm
Width		250 mm	250 mm	300 mm	300 mm
Height		100 mm	65 mm	100 mm	65 mm
Unlimited Travel		Yes
Maximum Limited Travel		±170°	±170°	±170°	±170°
Maximum Velocity @ 160 V Bus(1)		300 rpm	50 rpm	250 rpm	45 rpm
Maximum Acceleration		1364 rad/s2	1009 rad/s2	1330 rad/s2	829 rad/s2
Resolution(2)		0.1 μrad (0.02 arc sec)	0.1 μrad (0.02 arc sec)	0.08 μrad (0.016 arc sec)	0.09 μrad (0.018 arc sec)
Maximum Torque		23.9 N-m	11.9 N-m	42.9 N-m	15.4 N-m
Continuous Torque		6.0 N-m	2.0 N-m	10.7 N-m	2.6 N-m
Stage Mass		16.3 kg	8.3 kg	18.6 kg	9.8 kg
Stage Mass with Limits		17 kg	8.9 kg	19.6 kg	10.8 kg
Shaft Inertia		0.022 kg-m2	0.022 kg-m2	0.040 kg-m2	0.031 kg-m2
Shaft Inertia with Limits		0.026 kg-m2	0.026 kg-m2	0.051 kg-m2	0.042 kg-m2
Axial Load		1550 N (348 lb)	1175 N (264 lb)	1950 N (438 lb)	1325 N (298 lb)
Radial Load		1350 N (303 lb)	950 N (214 lb)	1925 N (433 lb)	1275 N (287 lb)
Moment Load		250 N-m	150(3) N-m	450 N-m	225(3) N-m
Repeatability		±2.4 μrad (±0.5 arc sec)
Accuracy(4)		±9.7 μrad (±2 arc sec)
Tilt-Error Motion		9.7 μrad (2.0 arc sec)

1. Square-wave digital encoder options will limit maximum speed below the listed value. Contact factory for specific stage and encoder speed combination.
2. Resolution assumes -AS encoder with 2000X controller multiplication.
3. The ALAR-LP base must be fully supported by a rigid mounting plate to achieve this moment load.
4. Certified with each stage. Requires the use of an Aerotech controller.

ALAR Series Specifications

Model		ALAR-200-SP	ALAR-200-LP	ALAR-250-SP-2	ALAR-250-SP-3	ALAR-250-LP
Aperture		200 mm	200 mm	250 mm	250 mm	250 mm
Motor		Brushless Slotless
Continuous Current	Apk	5.3	5.3	5.3	7.95	5.3
	Arms	3.75	3.75	3.75	5.62	3.75
Peak Current, Stall	Apk	34.8	34.8	34.8	52.2	34.8
	Arms	24.6	24.6	24.6	36.9	24.6
Bus Voltage		Up to 340 VDC
Length		400 mm	400 mm	450 mm	450 mm	450 mm
Width		400 mm	400 mm	450 mm	450 mm	450 mm
Height		150 mm	100 mm	150 mm	150 mm	100 mm
Unlimited Travel		Yes
Maximum Limited Travel		±170°	±170°	±170°	±170°	±170°
Maximum Velocity(1)		90 rpm	90 rpm	140 rpm	140 rpm	90 rpm
Maximum Acceleration		361 rad/s2	570 rad/s2	287 rad/s2	287 rad/s2	407 rad/s2
Resolution(2)		0.06 μrad (0.012 arc sec)	0.07 μrad (0.014 arc sec)	0.05 μrad (0.01 arc sec)	0.05 μrad (0.01 arc sec)	0.05 μrad (0.01 arc sec)
Maximum Torque		86 N-m	86 N-m	92 N-m	138 N-m	92 N-m
Continuous Torque		12.9 N-m	12.9 N-m	14.1 N-m	21.1 N-m	14.1 N-m
Stage Mass		40.4 kg	28.2 kg	51.3 kg	51.3 kg	35.0 kg
Stage Mass with Limits		43.1 kg	30.1 kg	54.5 kg	54.5 kg	37.4 kg
Shaft Inertia		0.320 kg-m2	0.190 kg-m2	0.500 kg-m2	0.500 kg-m2	0.310 kg-m2
Shaft Inertia with Limits		0.359 kg-m2	0.229 kg-m2	0.573 kg-m2	0.573 kg-m2	0.383 kg-m2
Axial Load		4675 N (1051 lb)	4350 N (978 lb)	4950 N (1113 lb)	4950 N (1113 lb)	4950 N (1113 lb)
Radial Load		4775 N (1073 lb)	4125 N (927 lb)	5200 N (1169 lb)	5200 N (1169 lb)	5050 N (1135 lb)
Moment Load		1600 N-m	1075(3) N-m	1825 N-m	1825 N-m	1475(3) N-m
Repeatability		±2.4 μrad (±0.5 arc sec)
Accuracy(4)		±9.7 μrad (±2 arc sec)
Tilt-Error Motion		9.7 μrad (2.0 arc sec)

1. Square-wave digital encoder options will limit maximum speed below the listed value. Contact factory for specific stage and encoder speed combination.
2. Resolution assumes -AS encoder with 2000X controller multiplication.
3. The ALAR-LP base must be fully supported by a rigid mounting plate to achieve this moment load.
4. Certified with each stage. Requires the use of an Aerotech controller.

ALAR Series Specifications

Model		ALAR-325-SP-2	ALAR-325-SP-3	ALAR-325-LP
Aperture		325 mm	325 mm	325 mm
Motor		Brushless Slotless
Continuous Current	Apk	5.1	7.65	5.1
	Arms	3.63	5.41	3.63
Peak Current, Stall	Apk	31.2	46.8	31.2
	Arms	22.1	33.1	22.1
Bus Voltage		Up to 340 VDC
Length		525 mm	525 mm	525 mm
Width		525 mm	525 mm	525 mm
Height		150 mm	150 mm	100 mm
Unlimited Travel		Yes
Maximum Limited Travel		±170°	±170°	±170°
Maximum Velocity(1)		150 rpm	150 rpm	120 rpm
Maximum Acceleration		185 rad/s2	185 rad/s2	339 rad/s2
Resolution(2)		0.04 μrad (0.009 arc sec)	0.04 μrad (0.009 arc sec)	0.04 μrad (0.009 arc sec)
Maximum Torque		143 N-m (1265.7 lb-in)	214.9 N-m (1902.0 lb-in)	143 N-m (1265.7 lb-in)
Continuous Torque		23.4 N-m	35.1 N-m	23.4 N-m
Stage Mass		61.2 kg	61.2 kg	44.5 kg
Stage Mass with Limits		64.9 kg	64.9 kg	49.9 kg
Shaft Inertia		1.01 kg-m2	1.01 kg-m2	0.55 kg-m2
Shaft Inertia with Limits		1.2 kg-m2	1.2 kg-m2	0.675 kg-m2
Axial Load		5825 N (1310 lb)	5825 N (1310 lb)	5825 N (1310 lb)
Radial Load		6650 N (1495 lb)	6650 N (1495 lb)	6450 N (1450 lb)
Moment Load		2650 N-m	2650 N-m	2200(3) N-m
Repeatability		±2.4 μrad (±0.5 arc sec)
Accuracy(4)		±9.7 μrad (±2 arc sec)
Tilt-Error Motion		9.7 μrad (2.0 arc sec)

1. Square-wave digital encoder options will limit maximum speed below the listed value. Contact factory for specific stage and encoder speed combination.
2. Resolution assumes -AS encoder with 2000X controller multiplication.
3. The ALAR-LP base must be fully supported by a rigid mounting plate to achieve this moment load.
4. Certified with each stage. Requires the use of an Aerotech controller.

Dimensions

• ALAR-100-SP
• ALAR-100-LP
• ALAR-150-SP
• ALAR-150-LP
• ALAR-200-SP
• ALAR-200-LP
• ALAR-250-SP
• ALAR-250-LP
• ALAR-325-SP
• ALAR-325-LP

Ordering Information

Encoder Type

Option	Description
-CT	Continuous Travel Internal Encoder

Encoder Output Options

Option	Description
-AS	Standard feedback device; 1 Vpp sine wave output; multiply the selected stage resolution by the encoder multiplier to get final resolution of counts per rev
-X5	Square-wave digital output which includes a 5-times multiplier; multiply the selected stage encoder lines by 20 to get the final resolution of counts per rev*
-X10	Square-wave digital output which includes a 10-times multiplier; multiply the selected stage encoder lines by 40 to get the final resolution of counts per rev*
-X25	Square-wave digital output which includes a 25-times multiplier; multiply the selected stage encoder lines by 100 to get the final resolution of counts per rev*
-X50	Square-wave digital output which includes a 50-times multiplier; multiply the selected stage encoder lines by 200 to get the final resolution of counts per rev*
RE-ABS	Rotary encoder, absolute - contact factory (compatible with HPe, HLe, CP, and CL drives only)

Note: * indicates this includes controller quadrature; X5, X10, X25, X50 square-wave encoder options have limited bandwidth and may not reach stage max speed. Please contact factory to confirm speed per stage.

Limit Options

Option	Description
-UNLIMITED	No travel limits or hardstops; valid only with -CT encoder type
-LIx	Normally-closed limits at x degrees total travel, where x = 10/20/30/60/90/120/180/240/300/340; integrated hardstops 5 degrees past LI limit switch angles; other travel angles available by special order; increases stage height by 10 mm; can be used with -CT or -LT encoder types; ALAR-250 and ALAR-325 hardstops are special order only; contact the factory for pricing