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A-131 PIglide VC Voice Coil Linear Stage with Air Bearings

High-Performance Miniature Nanopositioning System

Ideal for scanning applications or high-precision positioning
Cleanroom compatible
Travel ranges to 25 mm
Load capacity to 30 N
Acceleration to 40 m/s²

A-131.025A1, dimensions in mm

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Product overview

The PIglide stage with air bearing and voice coil drive offers high velocity and acceleration in a compact package.

The contactless components of the motion platform ensure the highest performance, quality, and lifetime.

Voice Coil Drive Technology

Voice coil motors are direct drives. In direct drives, the force of the drive element is transmitted directly to the load to be moved without the use of mechanical transmission elements such as coupling, drive screw, or gearhead. Voice coil drives consist of a permanent magnet and a winding body that are located in the air gap of the magnetic field. When current flows through the winding body, it moves in the magnetic field of the permanent magnet. Thanks to their low weight and friction-free drive principle, voice coil drives are particularly suitable for applications that require high dynamics and high velocities at limited travel ranges. High scan frequencies and precision positioning are also possible with these drives, because they are free of the effects of hysteresis.

Accessories and options

PIglide filter and air preparation kits
Single and multi-axis motion controller

Application fields

High-speed scanning, applications in manufacturing.

Thanks to the friction-free motion, no particles are formed, which makes PIglide stages ideal for cleanroom applications.

Motion	A-131.025A1	Tolerance
Active axes	X
Travel range in X	25 mm
Acceleration in X, unloaded	40 m/s²	max.
Maximum velocity in X, unloaded	1000 mm/s
Straightness (Linear crosstalk in Y with motion in X)	± 0.5 µm	max.
Flatness (Linear crosstalk in Z with motion in X)	± 0.5 µm	max.
Pitch (Rotational crosstalk in θY with motion in X)	± 10 µrad	max.
Yaw (Rotational crosstalk in θZ with motion in X)	± 10 µrad	max.
Positioning	A-131.025A1	Tolerance
Integrated sensor	Incremental linear encoder
Bidirectional repeatability in X	± 0.1 µm	typ.
Positioning accuracy in X, calibrated	± 0.25 µm	typ.
Positioning accuracy in X, uncalibrated	± 2 µm	typ.
Sensor signal	Sin/cos, 1 V peak-peak
Sensor resolution	1.2 nm
Sensor signal period	20 µm
Reference switch	Encoder index
Limit switches	Hall effect
Drive Properties	A-131.025A1	Tolerance
Drive type	Voice coil
Nominal voltage	48 V
Peak voltage	28 V
Nominal current, RMS	3 A	typ.
Peak current, RMS	10 A	typ.
Drive force in negative direction of motion in X	22.3 N	typ.
Drive force in positive direction of motion in X	22.3 N	typ.
Peak force in negative direction of motion in X	70.4 N
Peak force in positive direction of motion in X	70.4 N
Force constant	6.9 N/A
Resistance phase-phase	2.7 Ω	typ.
Inductance phase-phase	1.4 mH
Back EMF	6.9 V·s/m	max.
Mechanical Properties	A-131.025A1	Tolerance
Guide	Air bearing guide with air preload
Moved mass in X, unloaded	1630 g
Permissible push force in Z	30 N	max.
Overall mass	3600 g
Material	Hardcoat aluminum, stainless steel mounting hardware
	A-131.025A1	Tolerance
Connector	D-sub 9W4 (m)
Sensor connector	D-sub 15-pole (m)
Operating pressure	520 to 585 kPa
Air consumption	28 L/min	max.
Air quality	Clean (filtered up to 1.0 µm or better) - ISO 8573–1 class 1 Oil free - ISO 8573–1 class 1 Dry (-15 °C dew point) - ISO 8573–1 class 3
Recommended controllers / drivers	A-81x (1, 2, or 4 axes) A-82x (4, 6, or 8 axes)
Cable length	0.45 m
Operating temperature range	15 to 25 °C

3D Models

A-131 3-D model

Version / Date

zip - 1 MB

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Datasheet

Datasheet A-131

Version / Date

2021-12-03
pdf - 519 KB

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Documentation

User Manual A131D001

A-131 Series Voice Coil Linear Air Bearing Stage

Version / Date

1.1 2021-12-03
pdf - 862 KB

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A-131.025A1

PIglide VC linear stage, air bearing, 25 mm travel range, voice coil, 48 V, linear encoder with sin/cos signal transmission, 20 µm signal period

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