VSR-E Series

Vertical lift stages with built-in motor encoders

Photo of the VSR-E

Image is representative of the VSR-E Series and may not match the selected variant.

VSR20A-E01T3A

20 mm Travel | Fine Resolution

Starting Price: $2,671 *

Standard Lead Time: 1-5 Days

VSR20A-E01T3A Specifications

Download Datasheet
Microstep Size (Default Resolution) 0.09525 µm
Built-in Controller No
Recommended Controller MCC (48 V) Recommended
AutoDetect Yes
Travel Range 20 mm (0.787")
Accuracy (unidirectional) 50 µm (0.001968")
Loaded Accuracy (10 N) 35 µm (0.001378")
Repeatability < 1 µm (< 0.000039")
Loaded Backlash (10 N) < 10 µm (< 0.000394")
Backlash < 35 µm (< 0.001378")
Maximum Speed 55 mm/s (2.165"/s)
Minimum Speed 0.000058 mm/s (0.000002"/s)
Speed Resolution 0.000058 mm/s (0.000002"/s)
Encoder Resolution 500 CPR (2000 states/rev)
Encoder Type Rotary quadrature encoder (incremental)
Peak Thrust 200 N (44.9 lb)
Maximum Continuous Thrust 100 N (22.4 lb)
Maximum Centered Load 100 N (22.4 lb)
Maximum Moment (Pitch) 3 N⋅m (2.2 lb⋅ft)
Maximum Moment (Roll) 3 N⋅m (2.214 lb⋅ft)
Maximum Moment (Yaw) 3 N⋅m (2.214 lb⋅ft)
Straightness of Travel < 30 µm (< 0.001181")
Pitch 0.12° (2.094 mrad)
Roll 0.12° (2.094 mrad)
Yaw 0.12° (2.094 mrad)
Linear Motion Per Motor Rev 1.2192 mm (0.048")
Motor Steps Per Rev 200
Motor Type Stepper (2 phase)
Motor Rated Current 1500 mA/phase
Motor Winding Inductance 2.2 mH/phase
Motor Connection D-sub 15
Default Resolution 1/64 of a step
Guide Type Ball Bearing
Mechanical Drive System Precision Lead Screw
Limit or Home Sensing Magnetic home sensor
Axes of Motion 1
Mounting Interface M6 and M3 threaded holes
Operating Temperature Range 0-50 °C
CE Compliant Yes
Vacuum Compatible No
Weight 0.57 kg (1.257 lb)

* These are our direct prices in USD to customers in North America. If you are in Canada, click the Canadian flag icon at the top right of the page to see CAD prices. If you are in a country outside North America where we have an exclusive distributor, please check with the distributor for pricing. Distributor prices might be slightly higher to factor in shipping and import fees. Click here for a list of Zaber's Distributors.

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 VSRxxA-E01T3A_THRUST_SPEED_WEB

Typical Accuracy

Photo of the VSRxxA-E01T3A_ACCURACY_WEB