LRM Series

Miniature, steel motorized linear stages

Series Specifications

Built-in Controller
Recommended Controller	MCC (48 V) Recommended
AutoDetect
Repeatability	< 4 µm (< 0.000157")
Encoder Type
Maximum Continuous Thrust	25 N (5.6 lb)
Maximum Centered Load	500 N (112.1 lb)
Maximum Moment (Pitch)	6 N⋅m (4.4 lb⋅ft)
Maximum Moment (Roll)	15 N⋅m (11.07 lb⋅ft)
Maximum Moment (Yaw)	6 N⋅m (4.428 lb⋅ft)
Flatness of Travel	< 8 µm (< 0.000315")
Straightness of Travel	< 12 µm (< 0.000472")
Pitch	0.02° (0.349 mrad)
Roll	0.02° (0.349 mrad)
Yaw	0.02° (0.349 mrad)
Stiffness (Pitch)	550 N⋅m/° (32 µrad/N⋅m)
Stiffness (Roll)	550 N⋅m/° (32 µrad/N⋅m)
Stiffness (Yaw)	550 N⋅m/° (32 µrad/N⋅m)
Motor Steps Per Rev	200
Motor Type	Stepper (2 phase)
Motor Rated Current	600 mA/phase
Motor Winding Resistance	6.5 ohms/phase
Motor Winding Inductance	3.5 mH/phase
Motor Rated Power	6.9 watts
Motor Connection	D-sub 15
Motor Rotor Inertia	2.9e-7 kg⋅m²
Default Resolution	1/64 of a step
Motor Frame Size	NEMA 08
Guide Type	Recirculating ball bearing
Mechanical Drive System	Precision lead screw
Limit or Home Sensing	Magnetic hall sensor
Axes of Motion	1
Mounting Interface	M3 and M6 threaded holes
Stage Parallelism	< 10 µm (< 0.000394")
Operating Temperature Range	0 to 50 °C
CE Compliant
Vacuum Compatible

Part Specifications Comparison

Part Number	Microstep Size (Default Resolution)	Travel Range	Accuracy (unidirectional)	Backlash	Maximum Speed	Minimum Speed	Speed Resolution	Peak Thrust	Linear Motion Per Motor Rev	Weight
LRM025A-T3A	0.047625 µm	25 mm (0.984")	8 µm (0.000315")	< 5 µm (< 0.000197")	25 mm/s (0.984"/s)	0.000029 mm/s (0.000001"/s)	0.000029 mm/s (0.000001"/s)	50 N (11.2 lb)	0.6096 mm (0.024")	0.71 kg (1.565 lb)
LRM025B-T3A	0.1905 µm	25 mm (0.984")	8 µm (0.000315")	< 12 µm (< 0.000472")	100 mm/s (3.937"/s)	0.000116 mm/s (0.000005"/s)	0.000116 mm/s (0.000005"/s)	25 N (5.6 lb)	2.4384 mm (0.096")	0.71 kg (1.565 lb)
LRM050A-T3A	0.047625 µm	50 mm (1.969")	15 µm (0.000591")	< 5 µm (< 0.000197")	25 mm/s (0.984"/s)	0.000029 mm/s (0.000001"/s)	0.000029 mm/s (0.000001"/s)	50 N (11.2 lb)	0.6096 mm (0.024")	0.79 kg (1.742 lb)
LRM050B-T3A	0.1905 µm	50 mm (1.969")	15 µm (0.000591")	< 12 µm (< 0.000472")	100 mm/s (3.937"/s)	0.000116 mm/s (0.000005"/s)	0.000116 mm/s (0.000005"/s)	25 N (5.6 lb)	2.4384 mm (0.096")	0.79 kg (1.742 lb)
LRM100A-T3A	0.047625 µm	100 mm (3.937")	30 µm (0.001181")	< 5 µm (< 0.000197")	25 mm/s (0.984"/s)	0.000029 mm/s (0.000001"/s)	0.000029 mm/s (0.000001"/s)	50 N (11.2 lb)	0.6096 mm (0.024")	0.95 kg (2.094 lb)
LRM100B-T3A	0.1905 µm	100 mm (3.937")	30 µm (0.001181")	< 12 µm (< 0.000472")	100 mm/s (3.937"/s)	0.000116 mm/s (0.000005"/s)	0.000116 mm/s (0.000005"/s)	25 N (5.6 lb)	2.4384 mm (0.096")	0.95 kg (2.094 lb)
LRM150A-T3A	0.047625 µm	150 mm (5.905")	45 µm (0.001772")	< 5 µm (< 0.000197")	25 mm/s (0.984"/s)	0.000029 mm/s (0.000001"/s)	0.000029 mm/s (0.000001"/s)	50 N (11.2 lb)	0.6096 mm (0.024")	1.11 kg (2.447 lb)
LRM150B-T3A	0.1905 µm	150 mm (5.905")	45 µm (0.001772")	< 12 µm (< 0.000472")	100 mm/s (3.937"/s)	0.000116 mm/s (0.000005"/s)	0.000116 mm/s (0.000005"/s)	25 N (5.6 lb)	2.4384 mm (0.096")	1.11 kg (2.447 lb)
LRM200A-T3A	0.047625 µm	200 mm (7.874")	60 µm (0.002362")	< 5 µm (< 0.000197")	25 mm/s (0.984"/s)	0.000029 mm/s (0.000001"/s)	0.000029 mm/s (0.000001"/s)	50 N (11.2 lb)	0.6096 mm (0.024")	1.29 kg (2.844 lb)
LRM200B-T3A	0.1905 µm	200 mm (7.874")	60 µm (0.002362")	< 12 µm (< 0.000472")	100 mm/s (3.937"/s)	0.000116 mm/s (0.000005"/s)	0.000116 mm/s (0.000005"/s)	25 N (5.6 lb)	2.4384 mm (0.096")	1.29 kg (2.844 lb)

Specification Charts & Notes

Thrust or torque is a function of speed. The values given above are maximums. These values cannot both be achieved simultaneously (i.e. at maximum speed, the unit will not produce maximum thrust).

Thrust Speed Performance

Photo of the LRMxxxA-T3A_THRUST_SPEED_WEB

Photo of the LRMxxxB-T3A_THRUST_SPEED_WEB

Photo of the LRMxxxx-T3A_THRUST_SPEED_WEB

Typical Accuracy

Photo of the LRMxxxA-T3A_USTEP_ACCURACY_WEB

Photo of the LRMxxxB-T3A_USTEP_ACCURACY_WEB

Bearing Lifetime