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P-840 • P-841 Preloaded Piezo Actuators

Optional with Integrated Position Sensor

PI P-840
    • Outstanding lifetime due to PICMA® piezo actuators
    • Travel range to 90 µm
    • Compact case
    • Push forces to 1000 N
    • Pull forces to 50 N
    • Microsecond response
    • Sub-nanometer resolution
    • Versions with ball tip, vacuum versions

Specifications

P-841.1
P-840.1

P-841.2
P-840.2

P-841.3
P-840.3

P-841.4
P-840.4

P-841.6
P-840.6

Unit

Tolerance

Open-loop travel, at 0 to 100 V

15

30

45

60

90

µm

±20 %

Closed-loop travel

15 / –

30 / –

45 / –

60 / –

90 / –

µm

Integrated feedback sensor*

SGS/ -

SGS/ -

SGS/ -

SGS/ -

SGS/ -

Resolution, closed-loop / open-loop**

0.3 / 0.15

0.6 / 0.3

0.9 / 0.45

1.2 / 0.6

1.8 / 0.9

nm

Static large-signal stiffness***

57

27

19

15

10

N/µm

±20 %

Push force capacity

1000

1000

1000

1000

1000

N

Pull force capacity

50

50

50

50

50

N

Torque on tip

0.35

0.35

0.35

0.35

0.35

Nm

max.

Electrical capacitance

1.5

3.0

4.5

6.0

9.0

µF

±20 %

Dynamic operating current
coefficient (DOCC)

12.5

12.5

12.5

12.5

12.5

µA/(Hz × µm)

Resonant frequency f0, no load

18

14

10

8.5

6

kHz

±20 %

Operating temperature

-20 to 80

-20 to 80

-20 to 80

-20 to 80

-20 to 80

°C

Mass without cable

20

28

46

54

62

g

±5 %

Material: case, end pieces

N-S

N-S

N-S

N-S

N-S

Length L

32

50

68

86

122

mm

±0.3

Voltage connection: LEMO FFA.00.250. Coaxial cable, RG 178, 1 m.
Sensor connector: LEMO FFA.0S.304. Coaxial cable, 1 m.
* Closed-loop models can attain linearity up to 0.15 % and are shipped with performance reports.
** The position resolution of piezo actuators is not limited by stiction or friction. Value given is noise equivalent motion with E-503 amplifier.
*** Dynamic small-signal stiffness is approx. 30 % higher.

Drawings / Images

PI P-840 Drawing PI P-841.10 Diagramm

Order Information

Actuators without sensor

P-840.10Preloaded Piezo Actuator, 15 µm Travel Range, 1000/50 N

P-840.20Preloaded Piezo Actuator, 30 µm Travel Range, 1000/50 N

P-840.30Preloaded Piezo Actuator, 45 µm Travel Range, 1000/50 N

P-840.40Preloaded Piezo Actuator, 60 µm Travel Range, 1000/50 N

P-840.60Preloaded Piezo Actuator, 90 µm Travel Range, 1000/50 N

 

Actuators without sensor, vacuum compatible

P-840.10VPreloaded Piezo Actuator, 15 µm Travel Range, 1000/50 N, Vacuum Compatible to 10-6 hPa

P-840.20VPreloaded Piezo Actuator, 30 µm Travel Range, 1000/50 N, Vacuum Compatible to 10-6 hPa

P-840.30VPreloaded Piezo Actuator, 45 µm Travel Range, 1000/50 N, Vacuum Compatible to 10-6 hPa

P-840.40VPreloaded Piezo Actuator, 60 µm Travel Range, 1000/50 N, Vacuum Compatible to 10-6 hPa

P-840.60VPreloaded Piezo Actuator, 90 µm Travel Range, 1000/50 N, Vacuum Compatible to 10-6 hPa

 

Actuators without sensor, with tip

P-840.1BPreloaded Piezo Actuator, 15 µm Travel Range, 1000/50 N, Ball Tip

P-840.2BPreloaded Piezo Actuator, 30 µm Travel Range, 1000/50 N, Ball Tip

P-840.3BPreloaded Piezo Actuator, 45 µm Travel Range, 1000/50 N, Ball Tip

P-840.4BPreloaded Piezo Actuator, 60 µm Travel Range, 1000/50 N, Ball Tip

P-840.6BPreloaded Piezo Actuator, 90 µm Travel Range, 1000/50 N, Ball Tip

 

Actuators without sensor, with tip, vacuum compatible

P-840.1BVPreloaded Piezo Actuator, 15 µm Travel Range, 1000/50 N, Ball Tip, Vacuum Compatible to 10-6 hPa

P-840.2BVPreloaded Piezo Actuator, 30 µm Travel Range, 1000/50 N, Ball Tip, Vacuum Compatible to 10-6 hPa

P-840.3BVPreloaded Piezo Actuator, 45 µm Travel Range, 1000/50 N, Ball Tip, Vacuum Compatible to 10-6 hPa

P-840.4BVPreloaded Piezo Actuator, 60 µm Travel Range, 1000/50 N, Ball Tip, Vacuum Compatible to 10-6 hPa

P-840.6BVPreloaded Piezo Actuator, 90 µm Travel Range, 1000/50 N, Ball Tip, Vacuum Compatible to 10-6 hPa

 

Actuators with sensor

P-841.10Preloaded Piezo Actuator, 15 µm Travel Range, 1000/50 N, SGS Sensor

P-841.20Preloaded Piezo Actuator, 30 µm Travel Range, 1000/50 N, SGS Sensor

P-841.30Preloaded Piezo Actuator, 45 µm Travel Range, 1000/50 N, SGS Sensor

P-841.40Preloaded Piezo Actuator, 60 µm Travel Range, 1000/50 N, SGS Sensor

P-841.60Preloaded Piezo Actuator, 90 µm Travel Range, 1000/50 N, SGS Sensor

 

Actuators with sensor, vacuum compatible

P-841.10VPreloaded Piezo Actuator, 15 µm Travel Range, 1000/50 N, SGS Sensor, Vacuum Compatible to 10-6 hPa

P-841.20VPreloaded Piezo Actuator, 30 µm Travel Range, 1000/50 N, SGS Sensor, Vacuum Compatible to 10-6 hPa

P-841.30VPreloaded Piezo Actuator, 45 µm Travel Range, 1000/50 N, SGS Sensor, Vacuum Compatible to 10-6 hPa

P-841.40VPreloaded Piezo Actuator, 60 µm Travel Range, 1000/50 N, SGS Sensor, Vacuum Compatible to 10-6 hPa

P-841.60VPreloaded Piezo Actuator, 90 µm Travel Range, 1000/50 N, SGS Sensor, Vacuum Compatible to 10-6 hPa

 

Actuators with sensor, with tip

P-841.1BPreloaded Piezo Actuator, 15 µm Travel Range, 1000/50 N, SGS Sensor, Ball Tip

P-841.2BPreloaded Piezo Actuator, 30 µm Travel Range, 1000/50 N, SGS Sensor, Ball Tip

P-841.3BPreloaded Piezo Actuator, 45 µm Travel Range, 1000/50 N, SGS Sensor, Ball Tip

P-841.4BPreloaded Piezo Actuator, 60 µm Travel Range, 1000/50 N, SGS Sensor, Ball Tip

P-841.6BPreloaded Piezo Actuator, 90 µm Travel Range, 1000/50 N, SGS Sensor, Ball Tip

 

Actuators with sensor, with tip, vacuum compatible

P-841.1BVPreloaded Piezo Actuator, 15 µm Travel Range, 1000/50 N, SGS Sensor, Ball Tip, Vacuum Compatible to 10-6 hPa

P-841.2BVPreloaded Piezo Actuator, 30 µm Travel Range, 1000/50 N, SGS Sensor, Ball Tip, Vacuum Compatible to 10-6 hPa

P-841.3BVPreloaded Piezo Actuator, 45 µm Travel Range, 1000/50 N, SGS Sensor, Ball Tip, Vacuum Compatible to 10-6 hPa

P-841.4BVPreloaded Piezo Actuator, 60 µm Travel Range, 1000/50 N, SGS Sensor, Ball Tip, Vacuum Compatible to 10-6 hPa

P-841.6BVPreloaded Piezo Actuator, 90 µm Travel Range, 1000/50 N, SGS Sensor, Ball Tip, Vacuum Compatible to 10-6 hPa

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Controllers / Drivers / Amplifiers

Technology

Articles and Links

Downloads

fileadmin/images/filelist/zip.png P-840 P-841 STEP
zip 141 kB
fileadmin/images/filelist/pdf.png Technical Note P840T0007
P-840, P-841, P-842, P-843, P-844, P-845 Preloaded Piezo Actuators
pdf 93 kB 2012-03-14 EN