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M-231 High-Resolution Linear Actuator with DC and Stepper Motor

Precise and Cost-Efficient, Slim Design

PI M-231
    • Travel range 17 mm
    • Min. incremental motion 0.1 µm
    • Velocity to 1.5 mm/s
    • Closed-loop DC servo and stepper motor versions
    • MTBF >5,000 h
    • Noncontact limit switches
    • Fits to the M-105 micropositioning stage

Compact precision-class linear drive

Cost-efficient, high-resolution linear actuator, DC mike and stepper mike Rotating end piece, rotating pusher. Fits to the M-105 micropositioning stage

High-quality components

Extremely low-friction and backlash-free construction. Noncontact limit switches protect the mechanical system. Closed-loop variants with differential encoder driver for a safe position signal transmission at distances up to 10 mm

Motor variants

  • Position-controlled DC motors with a gearhead and high-resolution rotary encoders allow for incremental motion and repeatability of just 100 nm
  • Low-vibration 2-phase stepper motors with gearhead allow for smooth and accurate open-loop positioning

Specifications

M-231.17

M-231.17S

Unit

Tolerance

High resolution, closed-loop

High resolution, with stepper motor

Motion and positioning

Travel range

17

17

mm

Integrated sensor

Rotary encoder

Sensor resolution

2,048

cts./rev.

Design resolution

0.007

0.037

µm

typ.

Min. incremental motion

0.1

0.1

µm

typ.

Backlash

2

2

µm

typ.

Unidirectional repeatability

0.2

0.2

µm

typ.

Velocity

1.5

1

mm/s

max.

Mechanical properties

Drive screw

Leadscrew

Leadscrew

Thread pitch

0.4

0.4

mm

Gear ratio

28.44444:1

28.44444:1

Motor resolution

384*

steps/rev.

Push / pull force

40

40

N

max.

Drive properties

Motor type

DC motor, gearhead

2-phase stepper motor*

Operating voltage

0 to ±12

24

V

Electrical power

2

W

nominal

Limit switches

Hall-effect

Hall-effect

Miscellaneous

Operating temperature range

-20 to 65

-20 to 65

°C

Material

Aluminum anodized, chrome steel, brass

Aluminum anodized, chrome steel, brass

Mass

0.17

0.17

kg

±5 %

Cable length

0.5 + 3 m extension cable (included)

0.5 + 3 m extension cable (included)

m

±10 mm

Connector

15-pin sub-D, incl. encoder driver

Sub-D, 15-pin

Recommended controller / driver

C-863 single-axis

C-843 PCI board, for up to 4 axes

C-663 single-axis

Avoid lateral forces on the pusher!
Ask about custom designs!

* Max. 0.25 A/phase; 24 full steps/rev., motor resolution with C-663 stepper motor controller.

Drawings / Images

PI M-231 Drawing PI M-105.30 M-231

Order Information

M-231.17High-Resolution Linear Actuator with DC Motor, 17 mm, Limit Switches

M-231.17SHigh-Resolution Linear Actuator with Stepper Motor, 17 mm, Limit Switches


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Controllers / Drivers / Amplifiers

Related Products

Articles and Links

Downloads

fileadmin/images/filelist/pdf.png User Manual MP104E
M-231 High-Resolution Linear Actuator
PDF 594 K 1.1.0 EN
fileadmin/images/filelist/pdf.png PI Datasheet M-231
High-Resolution Linear Actuator with DC and Stepper Motor Precise and Cost-Efficient, Slim Design
PDF 739 K