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Hexagonal shapes

nPL70L Stage

Linear Motor Stage

nPL70L Stage

The nPL70L is the largest stage within the nPL70 family with a base length of 210mm. It can be configured with all four motors that are designed for the nPL70 family to provide application-specific performance. One analog and three digital encoder options are available.

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Performance SpecificationsnPL70L-1MnPL70L-2MnPL70L-3MnPL70L-4M
Maximum Travel150 mm150 mm130 mm110 mm
Encoder resolution0.01 µm
0.1 µm
1.0 µm
0.01 µm
0.1 µm
1.0 µm
0.01 µm
0.1 µm
1.0 µm
0.01 µm
0.1 µm
1.0 µm
Accuracy (Full Travel ISO 230)8 µm
10 µm
14 µm
8 µm
10 µm
14 µm
8 µm
10 µm
14 µm
8 µm
10 µm
14 µm
Bi-directional Repeatability (Full Travel)± 0.4 µm
± 0.5 µm
± 2.0 µm
± 0.4 µm
± 0.5 µm
± 2.0 µm
± 0.4 µm
± 0.5 µm
± 2.0 µm
± 0.4 µm
± 0.5 µm
± 2.0 µm
Straightness & Flatness8 µm8 µm8 µm8 µm
Pitch & Yaw120 µrad120 µrad120 µrad120 µrad
Maximum Velocity (unloaded)1.45 m/s2.09 m/s2.40 m/s2.55 m/s
Normal Load Capacity10 Kg10 Kg10 Kg10 Kg
Peak Force11.9 N23.8 N35.7 N47.6 N
Continuous Force3.0 N6.0 N8.9 N11.9 N
Duty Cycle100%100%100%100%
Stage MaterialAlAlAlAl
Stage Mass1301 gr1326 gr1351 gr1376 gr
Moving Carriage Mass806 gr806 gr806 gr806 gr
Cable Length1 m1 m1 m1 m
Motor Control Specifications1M2M3M4M
Motor Constant1.67, N/√W2.42, N/√W2.98, N/√W3.46, N/√W
Continuous Power3.20 W6.10 W9.0 W11.80 W
Peak Power50.90 W97.10 W143.30 W189.60 W
Electrical Cycle21.00 mm21.00 mm21.00 mm21.00 mm
Max Bus Voltage60.00 V60.00 V60.00 V60.00 V
Max Coil Temperature125.00 °C125.00 °C125.00 °C125.00 °C
Thermal Dissipation Constant0.04, W/°C0.08, W/°C0.12, W/°C0.16, W/°C
Continuous Current1.70 Arms1.70 Arms1.70 Arms1.70 Arms
Peak Current6.80 Arms6.80 Arms6.80 Arms6.80 Arms
Force Constant1.75 N/Arms3.50 N/Arms5.25 N/Arms7.00 N/Arms
Back EMF Constant1.40 Vpk/(m/s)2.90 Vpk/(m/s)4.30 Vpk/(m/s)5.70 Vpk/(m/s)
Inductance0.11 mH0.22 mH0.31 mH0.41 mH
Thermal Resistance @25 °C1.10 Ohms2.10 Ohms3.10 Ohms4.10 Ohms
Electrical Time Constant0.10 ms0.10 ms0.10 ms0.10 ms

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