Low Voltage Ring Piezoelectric Actuator With Aperture 9mm/14mm

Low voltage ring piezo actuator is ring piezo stack actuator with mechanical preload. There is an aperture through it, which can be used in optical positioning systems.

Characteristics
Stroke to 47um
High precision of closed loop positioning
Blocking force to 5300N
Aperture: I 9mm/I 14mm

Installation
There are screw base at the bottom for fixing, and screw head at the top connected to load. There is a fixing cap for installing of mirror.

Technical Data
HPSt150/14-10/12 VS22
Stroke [um]A 10%*:11
Stiffness [N/um]A 20%:250
Push/pull force [N]:3000/250
El. capacitance [uF]A 20%:2.6
Resonant frequency [kHz]A 20%:30
Length L [mm]A 0.3:31

HPSt150/14-10/25 VS22
Stroke [um]A 10%*:23
Stiffness [N/um]A 20%:120
Push/pull force [N]:3000/250
El. capacitance [uF]A 20%:5.2
Resonant frequency [kHz]A 20%:20
Length L [mm]A 0.3:44

HPSt150/14-10/40 VS22
Stroke [um]A 10%*:38
Stiffness [N/um]A 20%:70
Push/pull force [N]:3000/250
El. capacitance [uF]A 20%:7.8
Resonant frequency [kHz]A 20%:14
Length L [mm]A 0.3:58

HPSt150/14-10/55 VS22
Stroke [um]A 10%*:47
Stiffness [N/um]A 20%:50
Push/pull force [N]:3000/250
El. capacitance [uF]A 20%:11
Resonant frequency [kHz]A 20%:9
Length L [mm]A 0.3:71

HPSt150/20-15/12 VS35
Stroke [um]A 10%*:11
Stiffness [N/um]A 20%:450
Push/pull force [N]:5300/450
El. capacitance [uF]A 20%:5
Resonant frequency [kHz]A 20%:30
Length L [mm]A 0.3:31

HPSt150/20-15/25 VS35
Stroke [um]A 10%*:23
Stiffness [N/um]A 20%:230
Push/pull force [N]:5300/450
El. capacitance [uF]A 20%:10
Resonant frequency [kHz]A 20%:20
Length L [mm]A 0.3:44

HPSt150/20-15/40VS35
Stroke [um]A 10%*:38
Stiffness [N/um]A 20%:150
Push/pull force [N]:5300/450
El. capacitance [uF]A 20%:15
Resonant frequency [kHz]A 20%:17
Length L [mm]A 0.3:58

HPSt150/20-15/55VS35
Stroke [um]A 10%*:47
Stiffness [N/um]A 20%:100
Push/pull force [N]:5300/450
El. capacitance [uF]A 20%:20
Resonant frequency [kHz]A 20%:15
Length L [mm]A 0.3:71