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Hexagonal shapes

nPL70M Stage

Linear Motor Stage

NPL stage image

The nPL70M is offered in a base length of 168 mm. 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 SpecificationsnPL70M-1MnPL70M-2MnPL70M-3MnPL70M-4M
Maximum Travel100 mm100 mm85 mm65 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)6 µm
8 µm
12 µm
6 µm
8 µm
12 µm
6 µm
8 µm
12 µm
6 µm
8 µm
12 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 & Flatness6 µm6 µm6 µm6 µm
Pitch & Yaw75 µrad75 µrad75 µrad75 µrad
Maximum Velocity (unloaded)1.34 m/s1.92 m/s2.23 m/s2.27 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 Mass1036 gr1061 gr1086 gr1111 gr
Moving Carriage Mass634 gr634 gr634 gr634 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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