U 723 Datasheet

User Manual: Pdf U-723 PILine® XY Stage

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PILine® XY Stage
Compact XY Stage with Ultrasonic Piezo Motors

U-723
 Fast positioning in 2 axes
 Space-saving and light
 High guiding accuracy
 High sensor resolution of 10 nm
 Self-locking, no heat generation at rest
 Low-noise operation

Precision-class XY stage
PILine® stages are particularly suitable for applications that require fast precision positioning. When switched off, the selflocking drive holds the position of the stage mechanically stable. Energy consumption and heat generation are therefore
considerably reduced. Applications with a low duty cycle that are battery-powered or heat-sensitive benefit from these
characteristics. The position of the axis is measured by an encoder and an optical reference switch allows reliable repeatable
motion. The piezomotor drive principle and its electrical operation are inexpensive and can be customized.

PILine® ultrasonic piezomotors
An integral part of a PILine® ultrasonic piezomotor is a piezo actuator that is preloaded against a movable, guided runner via
a coupling element. The piezoceramic actuator is excited to ultrasonic oscillation by a high-frequency AC voltage between
100 and 200 kHz. Deformation of the actuator leads to periodic diagonal motion of the coupling element relative to the
runner. The feed created is a few nanometers per cycle; the high frequencies lead to the high velocities. Preloading the
piezoceramic actuator against the runner ensures self-locking of the drive when at rest and switched off.

Highly accurate position measuring with incremental encoder
Noncontact optical encoders measure the position directly at the platform with the greatest accuracy. Nonlinearity,
mechanical play or elastic deformation have no influence on the measurement.

Fields of application
Micromanipulation, automation, biotechnology, sample manipulation, sample positioning, applications with limited space,
-6
vacuum applications to 10 hPa (optional)

Specifications
Motion

U-723.25

Unit

Tolerance

24.04.2018

Active axes

x, y

Travel range

22 mm × 22 mm

Velocity

200

mm/s

max.

Mechanical properties

U-723.25

Unit

Tolerance

Load capacity in z

5

N

max.

Mass without cable

110

g

Linear guide

Crossed roller bearing with anti-creep system

Drive properties

U-723.25

Drive type

PILine® ultrasonic piezo motor, performance class 1

Nominal force

Unit

Tolerance

2

N

typ.

Holding force

2

N

typ.

Positioning

U-723.25

Unit

Tolerance

Integrated sensor

Optical, incremental sensor

Sensor resolution

10

nm

Minimum incremental motion

0.1

µm

typ.

Reference point switch

Direction-sensing optical reference point switch

Miscellaneous

U-723.25

Unit

Tolerance

Operating temperature range

0 to 40

°C

Humidity

20 – 90% rel., not condensing

Material

Aluminum, anodized

Motor / sensor connection

2 × Sub-D 15 (m)

Cable length

2 × 1.5 m

Sonderausführungen auf Anfrage.
Technical data specified at room temperature (22±3 °C) with C-867.2U2.

24.04.2018

Drawings / Images

U-723, dimensions in mm

Ordering Information
U-723.25
PILine® XY stage, compact design, 22 mm × 22 mm travel range, 2 N drive force, 10 nm sensor resolution

Accessories
U-600.A01
Extension cable for PILine®, Sub-D 15-pin, 1 m

U-600.A03
Extension cable for PILine®, Sub-D 15-pin, 3 m

U-600.A05
Extension cable for PILine®, Sub-D 15-pin, 5 m

24.04.2018



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Page Count                      : 3
Language                        : de-DE
Tagged PDF                      : Yes
Title                           : U-723 Datasheet
Author                          : Gesell, Pascal
Subject                         : U-723
Keywords                        : R0
Creator                         : Microsoft® Word 2010
Create Date                     : 2018:04:24 14:18:23+02:00
Modify Date                     : 2018:04:24 14:18:23+02:00
Producer                        : Microsoft® Word 2010
EXIF Metadata provided by EXIF.tools

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