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- Piezo Stack Actuator
- High Load Capacity to 100 kN
- High Force Generation to 80 kN
- Large Cross Sections to 56 mm Diameter
- Variety of Shapes
- Extreme Reliability >109 Cycles
- Proven and Flexible Design
- Sub-Nanometer-Resolution / Sub-Millisecond-Settling-Time
- Vacuum-Compatible Versions
PICA™-Stack piezo ceramic linear actuators are offered in a large variety of standard shapes and sizes with additional custom designs to suit any application.
Ultra-High Reliability, High Displacement, Low Power Requirements
PICA™-Stack actuators are specifically designed for high-duty-cycle applications. With our extensive applications knowledge, gained over several decades, we know how to build performance that does not come at the price of reliability. All materials used are specifically matched for robustness and lifetime. Endurance tests on PICA™ actuators prove consistent performance, even after billions (1,000,000,000) of cycles. The combination of high displacement and low electrical capacitance provides for excellent dynamic behavior with reduced driving power requirements.
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Piezo Linear Actuator Solutions:
PI offers the largest selection of research and industrial-reliability Piezo Actuators and Piezo Translators (linear actuators) worldwide. In addition to the hundreds of models presented in this catalog, we manufacture custom designs tailored to customers’ requirements. PI is highly vertically integrated, controlling each manufacturing step from PZT raw materials to finished systems.
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The P-653 OEM miniature piezo-motor linear slide was designed for OEM applications where small optics or micromechanical parts have to be moved or aligned quickly and precisely. It comes pre assembled on a PCB driver board.
The P-653 linear actuator outclasses conventional linear slides with its very high velocity of 200 mm/sec.
Features
* Long Travel Range for its small size 2 mm (only 8 mm long)
* True Linear Motor Driven Linear Slide, with out the Rotary Conversion Losses
* High Speed: up to 200 mm/sed
* Cost-Effective Drive for High Volume OEM Applications
* Comes Pre-Assembled and Mounted on a PCB Driver Board
* Self Locking Position Hold at Rest with no current required.
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The MML Series are actuators manufactured by CEDRAT TECHNOLOGIES and are especially design to obtain medium stiff actuators and produce much higher displacements than DPA. They have a high bandwidth and can be used in several dynamic applications.
- The APA 100MML.
is a model derived from M & ML with a lower stroke than the APA400MML.
Stroke (µm): 100; Blocked force (N): 855; Resonance frequency (Hz): 1730; Dimensions (mm): 58*78*11.5
- The APA400MML
Stroke (µm): 364; Blocked force (N): 189; Resonance frequency (Hz): 634; Dimensions (mm): 20*78*11,5
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The XS models of APA™ developed by CEDRAT TECHNOLOGIES produce displacements up to 80 µm.
The APA 35XS is the middle stroke and middle force version of the Amplified Piezo Actuator XS series.
Stroke (µm): 55; Blocked force (N): 27; Resonance frequency (Hz): 3883; Dimensions (mm): 5,5*13,3*9
The APA 50XS is a highest stroke and lowest force version of the Amplified Piezo Actuator XS series.
Stroke (µm): 80; Blocked force (N): 18; Resonance frequency (Hz): 2700; Dimensions (mm): 4,7*12,8*9.0
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The µXS and XXS models are ther newest and smallest actuators manufactured by CEDRAT TECHNOLOGIES and produce displacements up to 150µm.
The APA 30µXS:
is presently the smallest Amplified Piezo Actuator. With a mass of only 0.15gr, it can be considered as a micro piezo actuator.
Stroke (µm): 30; Blocked force (N): 3.3; Resonance frequency (Hz): 4770; Dimensions (mm): 3.9*8.6*5.0
The APA 150XXS:
is an extra thin version of the Amplified Piezo Actuator XS series.
Stroke (µm): 120; Blocked force (N): 3; Resonance frequency (Hz): 1045; Dimensions (mm): 4.5*13.1*9.0
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The S series are small Actuators manufactured by CEDRAT TECHNOLOGIES and produce displacements between 60 µm and 120µm.
The APA 60S is the smallest stroke and highest force version of the Amplified Piezo Actuator S series.
Stroke (µm): 80; Blocked force (N): 102; Resonance frequency (Hz): 2860; Dimensions (mm): 15*29,2*9.0
The APA 120S is the highest stroke and lowest force version of the Amplified Piezo Actuator S series.
Stroke (µm): 140; Blocked force (N): 39; Resonance frequency (Hz): 1300; Dimensions (mm): 13*28,7*9.0
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The M series are medium sized actuators which are about 20 mm-high, weigh about 20g.They produce max displacements between 100 µm and 200 µm.
CEDRAT TECHNOLOGIES enlarges the M Series by pushing the limits of the stroke up to 800 µm with the APA 900M.
- The APA 100M
is the smallest stroke and highest force version of the Amplified Piezo Actuator M series.
Stroke (µm): 110; Blocked force (N): 184; Resonance frequency (Hz): 1900; Dimensions (mm): 25*55,1*9
- The APA 150M
is the middle stroke and middle force version of the Amplified Piezo Actuator M series.
Stroke (µm): 169; Blocked force (N): 100; Resonance frequency (Hz): 1300; Dimensions (mm): 22*55,1*9
- The APA 200M
is the highest stroke and lowest force version of the Amplified Piezo Actuator M series.
Stroke (µm): 230; Blocked force (N): 73; Resonance frequency (Hz): 900; Dimensions (mm): 17*55*9
- The APA 400M
is a model derived from M series with a larger stroke.
Stroke (µm): 400; Blocked force (N): 38; Resonance frequency (Hz): 495; Dimensions (mm): 13*48,4*11,5
- The APA 900M
is a model derived from M series with the largest stroke. The APA900M is only dedicated to static working condition.
Stroke (µm): 800; Blocked force (N): 16; Resonance frequency (Hz): 248; Dimensions (mm): 10*49*11,5
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The ML Series models are actuators manufactured by CEDRAT TECHNOLOGIES and are especially designed to obtain very stiff actuators. They produce higher displacements than DPA, they have a very large bandwidth and can be used in several dynamic applications.
- The APA 95ML
is the smallest stroke and highest force version of the Amplified Piezo Actuator ML series.
Stroke (µm): 94; Blocked force (N): 1900; Resonance frequency (Hz): 2000; Dimensions (mm): 60*80,1*22,5
- The APA 120ML
is the highest stroke and lowest force version of the Amplified Piezo Actuator ML series.
Stroke (µm): 130; Blocked force (N): 1400; Resonance frequency (Hz): 1750; Dimensions (mm): 45*78,9*22,5
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The L series are large actuators manufactured by CEDRAT TECHNOLOGIES and produce displacements up to 1mm.
- The APA 230L
is the smallest stroke and highest force version of the Amplified Piezo Actuator L series.
Stroke (µm): 236; Blocked force (N): 1350; Resonance frequency (Hz): 850; Dimensions (mm): 85*145,3*16
- The APA 500L
is the middle stroke and force version of the Amplified Piezo Actuator L series.
Stroke(µm): 500; Blocked force(N): 570; Resonance frequency(Hz): 460; Dimensions(mm): 55*145*16
- The APA 1000L
is the highest stroke version of the Amplified Piezo Actuator L series.
Stroke(µm): 950; Blocked force(N): 373; Resonance frequency(Hz): 290; Dimensions(mm): 35*145*16
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The SM Series are small Actuators manufactured by CEDRAT TECHNOLOGIES. They are especially design to obtain stiff actuators and produce higher displacements than DPA (Direct Piezo Actuators). They have a high bandwidth and can be used in several dynamic applications.
The APA 40SM is the smallest stroke and highest force version of the Amplified Piezo Actuator SM series.
Stroke (µm): 52; Blocked force (N): 194; Resonance frequency (Hz): 4100; Dimensions (mm): 15*27,2*11,5
The APA 60SM is the highest stroke and lowest force version of the Amplified Piezo Actuator SM series.
Stroke (µm): 80; Blocked force (N): 110; Resonance frequency (Hz): 2800; Dimensions (mm): 13*26,9*11,5
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The XL models are the largest standard piezo actuators manufactured by CEDRAT TECHNOLOGIES. They offer up to 1mm stroke, either under static or dynamic conditions.Other models can be defined upon request.
- The APA 500XL
is the smallest stroke and the highest force version of the APATM XL Series.
Stroke(µm): 500; Blocked force(N):1100; Resonance frequency(Hz): 1280; Dimensions(mm): 82*214,3*21
- The APA 1000XL
is the biggest Amplified Piezo Actuator produced by CEDRAT TECHNOLOGIES
Stroke(µm): 1050; Blocked force(N): 745; Resonance frequency(Hz): 980; Dimensions(mm): 57*214,3*21
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- Award-Winning Technology
- Low Operating Voltage
- Superior Lifetime Even Under Extreme Conditions
- Very Large Operating-Temperature Range
- High Humidity Resistance
- Excellent Temperature Stability
- High Stiffness
- UHV Compatible to 10-9 hPa
- Sub-Millisecond Response & Sub-Nanometer Resolution
Increased Lifetime and Higher Performance
PICMA® (PI Ceramic Monolithic Actuator) piezo actuators are characterized by their high performance and reliability, even in extremely harsh environments. They are superior to conventional multilayer actuators in industrial applications and high-endurance situations, where they show substantially longer lifetimes both in static and dynamic operation.
New Production Process, Optimized PZT Ceramics
PICMA® piezo actuators are made from a ceramic material in which the piezoceramic properties such as stiffness, capacitance, displacement, temperature stability and lifetime are optimally combined. The actuators" monolithic design and special electrode structure was made possible by advances in production technology. This development is just one reflection of the more than 30 years experience PI has with thousands of industrial PZT applications.
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Amplified Piezoelectric Actuators (APA)
Patented by the CEDRAT Group, the amplified piezo actuator is a mechanical magnified preloaded stack of low voltage piezoelectric ceramics (MLA). The mechanical amplification is obtained thanks to an external elliptical shell made of stainless steel which magnify along the short axis the MLA deformation occurring along the main axis. This elliptical frame also protects the MLA against tensile force. It provides the user with mechanical interfaces for easy integration. This prestressing and magnifying flextensionnal frame applies an optimal preloading force to the MLA which ensures a longer life time and better performance than traditional mechanical amplifier based on lever arm and flexure pivot, when applied dynamically.
The Amplified Piezo Actuators, APAs, developed by the CEDRAT Group have force and displacement performance ranges which are beyond that of direct or bimorph Piezoactuators.
10 series (uXS, XXS, XS, S, SM, M, MML, ML, L, XL) of APAs are available in order to meet the different needs in terms of stroke, force and dimensions
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Parallel Pre-Stressed Actuators PPA M Series:
Designed by CEDRAT TECHNOLOGIES, these new models of Direct Piezo Actuators result from developments carried out under a CNES contract, the French Space Agency. PPA models are twice lighter than DPAs, with the same electromechanical properties. Their compact size also makes their integration easier in mechanical assembly. The M Series produce displacements up to 40 µm and can generate a pushing blocked force of 800 N.
- The PPA10M
is the smallest size version of the Parallel Pre-stressed Actuator M series.
Stroke(µm): 8; Blocked force(N): 800; Resonnance frequency(Hz): 32500; Dimensions(mm): 18*10*9
- The PPA20M
is the middle size version of the Parallel Pre-stressed Actuator M series.
Stroke(µm): 20; Blocked force(N): 800; Resonance frequency(Hz): 19400 ; dimensions(mm): 28*10*9
- The PPA40M
is the biggest size version of the Parallel Pre-stressed Actuator M series.
Stroke(µm): 40; Blocked force(N): 800 Resonance frequency(Hz): 12500 ; Dimensions(mm): 48*10*9
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Parallel Pre-stressed Actuator (PPA)
The parallel pre-stressed actuator is a preloaded stack of low voltage piezoelectric ceramics (MLA). The preload (or pres-stress) is obtained from an external spring frame made of stainless steel which protects the MLA against tensile force and provide mechanical interfaces for the user allowing for easier integration. This prestressing frame applies an optimal preloading force to the MLA which ensures a longer lifetime and better performance with dynamic applications than traditional preloaded actuators.
Designed by the CEDRAT Group, this new direct piezo Actuator results contracts carried out for CNES, the French Space Agency. The PPA model is lighter than the compacting Direct Piezo Actuator, which has the same electromechanical properties. Its compact size also makes integration easier in mechanical assembly.
3 series (M, L, XL) of PPAs are available in order to meet the fidderent needs in terms of stroke, force and dimensions.
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Parallel Pre-Stressed Actuators PPA L Series:
Designed by CEDRAT TECHNOLOGIES, these new models of Direct Piezo Actuators result from developments carried out under a CNES contract, the French Space Agency. PPA models are twice lighter than DPAs, with the same electromechanical properties. They are suited to dynamic applications and their compact size also makes their integration easier in mechanical assembly.
The L Series produce displacements up to 80 µm and can generate a pushing blocked force of 3500 N.
- The PPA40L
is the smallest size version of the Parallel Pre-stressed Actuator L series.
Stroke(µm): 40; Blocked force(N): 3500; Resonance frequency(Hz): 7750; Dimensions(mm): 57*23,5*18
- The PPA60L
is the middle size version of the Parallel Pre-stressed Actuator L series.
Stroke(µm): 60; Blocked force(N): 3500 Resonance frequency(Hz): 4750; Dimensions(mm): 77*23,5*18
- The PPA80L
is the biggest size version of the Parallel Pre-stressed Actuator L series.
Stroke(µm): 80; Blocked force(N): 3500; Resonance frequency(Hz): 4250; Dimensions(mm): 97*23,5*18
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Parallel Pre-Stressed Actuators PPA XL Series:
Designed by CEDRAT TECHNOLOGIES, these new models of Direct Piezo Actuators result from developments carried out under a CNES contract, the French Space Agency. PPA models are twice lighter than DPAs, with the same electromechanical properties. They are suited to dynamic applications and their compact size also makes their integration easier in mechanical assembly.
The XL Series produce displacements up to 120 µm and can generate a pushing blocked force of 7000 N.
- The PPA40XL
is the smallest size version of the Parallel Pre-stressed Actuator XL series. Stroke(µm): 38; Blocked force(N): 7000; Resonance frequency(Hz): 7700; Dimensions(mm): 60*30*30
- The PPA80XL
is the middle size version of the Parallel Pre-stressed Actuator XL series.
Stroke(µm): 90; Blocked force(N):7000; Resonance frequency(Hz): 3500;Dimensions(mm): 100*30*30
- The PPA120XL
is the biggest size version of the Parallel Pre-stressed Actuator XL series.
Stroke(µm): 130; Blocked force(N): 7000; Resonance frequency(Hz): 2600; Dimensions(mm): 140*30*30
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Equipment using the piezoelectric effect of PZT based ceramic elements can achieve unlimited high resolution positioning. piezosystem jena is one of the world leading companies in this technology. An electric field is applied to the ceramic by controlling analog voltage signals.
This results in a change in length of the bi-polar elements depending on the signal strength. piezosystem jena makes use of this effect for the design of positioning equipment with nearly unlimited high resolution. The increased in the length of the PZT is quite small.
Therefore piezosystem jena employs sophisticated flexure hinge designs in order to enlarge the motion up to the mm range. The unique nano-positioning elements of piezosystem jena guarantee the highest resolution in the sub-nm range even when the total travel range is in mm.
applications:
Valves
Laser collimators
Micro- und nanopositionig
Laserscanning
Mirror shifting
Fiberalignment
Metrology
Microlens positioning
Screening
Microinjection, Patch Clamp
Wafer adjustment
Semiconductor
Beamssteering
AFM, SNOM, RAMAN
Material Sciences
Lasercoupling
Detection
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DSM’s FlexFrame PiezoActuator(TM) series is a family of mechanically amplified, flexure-guided piezo actuators for precision motion control and positioning applications. The actuators feature solid-state flexure hinges to eliminate backlash and stiction.
Standard piezo actuator designs offer displacement capabilities ranging from a few microns up to 2 mm, and the actuators typically feature low voltage (150-200V) piezo material. Custom designs can be produced for unique displacement ranges, design stiffness, and environmental considerations (temperature, vacuum, non-magnetic, etc.), DSM's piezoelectric actuators can also be configured with integrated displacement feedback sensors for closed-loop micropositioning and nanopositioning.
DSM's FlexFrame PiezoActuator(TM) design allows for high displacement performance in an extremely low profile package. Custom mounting conditions can be integrated into the design.
DSM welcomes custom requests for flexure-guided piezo actuator designs. Please consider the following questions and contact us:
* What displacement range is required?
* What load will the actuator carry? Is it a static load or a dynamic load such as a spring force?
* What positioning resolution and accuracy are required?
* How fast does the actuator need to move, or at what frequency will you drive the actuator?
* What does the desired motion profile look like? (point-to-point, sinusoidal, etc.)
* Are you able to use open loop operation, or do you require closed-loop servo control?
* Are there any special environmental considerations (temperature, humidity, vacuum, etc.)?
* What are the geometric constraints for the actuator or stage?
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DSM's NA-25 and NA-80 actuators are direct-drive piezoelectric actuators integrated into a protective metallic frame. The frame is a monolithic piece of stainless steel or titanium alloy with a flexure-based expansion component.
The flexure minimizes the resistance that the frame might impart to the piezoelectric actuation. The frame also includes standard threaded receiver holes at the top and bottom and incorporates a preload mechanism. The mechanical preload maintains compression on the piezoelectric ceramic under high tensile forces and ensures bidirectional operation. The design thus provides increased resilience to mechanical loads when compared to non-preloaded actuators.
The NA-25 and NA 80 are well-suited to many applications where high force and high frequency response are required.
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DSM's LPA FlexFrame PiezoActuator™ products are flexure-guided lever mechanisms that mechanically amplify the motion of the integrated piezoelectric ceramic. DSM's LPA designs span a range of displacement capabilities up to 1mm.
The actuator frame is typically a monolithic piece of stainless steel or titanium alloy, and it can include threaded or through holes for attachment at the actuator's output. For mounting purposes, the frame can be designed with threaded holes in the bottom or side structure.
The moving mass in a LPA actuator is typically less than that of other types of mechanically amplified mechanisms. Consequently, the LPA architecture can enable relatively higher dynamic response performance.
The LFPA FlexFrame PiezoActuator™ products include a secondary mechanical amplification to attain relatively larger motion ranges up to 10mm. In order to satisfy a non-magnetic requirement for use in magnetic resonance imaging (MRI) applications, DSM has fabricated LFPA mechanisms from titanium alloy.
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Piezoceramic Actuators of the PZ Series
The Matrix selection boxes of the PZ Series use an exclusive low absorbtion piezoceramic technology and are equipped with a smart electronic microprocessor of new concept.
Characterized by high actuation speed and technologic solutions of absolute supremacy, they create a new referring standard both for quality and performance.
The data transmission, from the controller to the selection boxes and vice versa, takes place on RS-422 high speed balanced lines granting the highest reliability and the monitoring in real time of the system's correct fonctionning.
A LED positioned on every selection box grants the visual control of the correct wiring during the loading and the set up of parameters into the machine.
The programming of the addresses on the selection boxes takes place automatically, it is carried out by the controller; a further exclusive electronical, tangential and adjusting system allows the nearest precision of selection, equal to ± 1/10 of needle on both the selection ways (loop/bushing).
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