R 12/14 Ring Actuator
Description
Piezoelectric ring actuators consist of a large number of contacted ceramic discs. Compared with the tube actuator, the ring actuator reaches a higher stiffness and the expansion is twice as high. The ring actuator is available with (series RA) and without (series R) housing. The actuator without housing is only connected at the ceramic top and ground plate. The actuator with housing is fastened with screws at the drill hole. Ring actuators without housing can only be used in dynamic applications with additional preload. Ring actuators from the RA series are available with a strain gauge feedback sensor upon request.
R 12/14 Ring Actuator
Specifications |
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|---|---|
| Motion Distance: | 12 um |
| Resolution: | 0.03 nm |
Features
motion up to 50 µm
free inside diameter (9 mm to 14 mm)
sub nm-resolution
blocking force up to 4000 N
µsec response time
flexible epoxy insulation
Applications
Micro positioning
Laser beam steering
Scanning systems for atomic force microscopes
Piezoelectric pumps
Fiber positioning
Laser tuning
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Frequently Asked Questions
To mount the actuators without housing (series R), they have to be glued on the top and bottom only. During installation and operation, please take care to avoid axial forces.
Ring actuators can be used for micro positioning, laser beam steering, scanning systems for atomic force microscopes, piezoelectric pumps, fiber positioning, and laser tuning.
A piezoelectric ring actuator consists of a large number of contacted ceramic discs and is available with or without housing.
The RA series of ring actuators are internally pre-loaded by a mechanical spring, making them ideal for dynamic applications. The R series of actuators are not pre-loaded and can only be used in dynamic applications with additional preload.
The ring actuators have a blocking force of up to 4000 N.