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Piezo Actuator is a solid-state ceramic actuator which converts electrical energy directly into mechanical energy with virtually unlimited resolution
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Featured Equipment
N-216 NEXLINE® high-load linear motors are ultra-precision nanopositioning actuators with travel ranges to 20 mm and push / pull forces to 600 N (130 lb). The operating principle is based on coordinated motion of a number of highly preloaded linear and shear piezo elements acting on a runner and does not involve rotation/linear conversion. The working principle is non-magnetic, vacuum & clean room compatible.
Other Equipment
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. The PPA10M is the smallest size version of the Parallel Pre-stressed Actuator M series.
The voice coil positioning stage available from H2W Technologies is compact and suitable for closed loop positioning applications with a short stroke where acceleration, velocity and intricate position control is required.
The M-664 micropositioning systems from Physik-Instrumente are low-profile, high-accuracy translation stages with linear encoders. The M-664 stage is next-larger in the series of piezomotor-driven stages of which the M-663 is the smallest. For improved guiding accuracy, the M-664 uses two crossed roller bearings mounted on ground aluminum profiles. The integrated P-664 PILine® linear motor can generate forces up to 4 N and maximum closed-loop velocities to 400 mm/s over a 25 mm travel range.
The piezo actuators of the series P/S13 have a hermetically sealed housing. The special housing allows for use in aggressive and humid environments. The construction of the housing tightly encloses the stack, thereby avoiding mechanical play. The actuators are not pre-loaded. They can handle a load up to 1000 N.
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. The APA25XS is the smallest stroke and the highest force version of the Amplified Piezo Actuator XS series.
DSM's LPA-100 is a flexure-based piezoelectric actuator ideal for both dynamic and static applications where precise and accurate positioning is required. The LPA-100 is mechanically preloaded to ensure bi-directional operation, providing increased resilience to mechanical loads when compared to non-preloaded actuators. The mechanism design provides high-stroke operation in an exceptionally small package. The LPA architecture offers relatively high dynamic bandwidth capabilities for the nominal displacement range and mechanism size.
DSM's NA series actuators are direct-drive piezoelectric actuators integrated into a protective metallic frame. The frame is typically a monolithic piece of stainless steel or titanium alloy with a flexure-guided expansion component. The flexure minimizes the resistance that the frame might impart to the piezoelectric actuation. In addition, the frame can include threaded receiver holes at the top and bottom or can be modified to provide a flat or hemispherical contact surface.
The new PInano Z low-profile piezo Z stages are optimized for very fast step and settle and easy integration into high-resolution microscope applications. They feature a very low profile of 0.8" (20 mm), a large aperture, and travel ranges of up to 200 µm with sub-nanometer closed-loop resolution-ideal for leading-edge microscopy and imaging applications.
H2W Technologies offers voice coils linear actuators that have very low mechanical and electrical time constants.
Piezosystem jena offers beside the long lasting approved low volt piezo elements also high power actuators. This series provides a travel of up to 260 microns.The big advantage of these actuators is the high load which can be handled. The resonant frequency of up to 60 kHz and extreme high accelerations of >100.000 m/sec2 allows the use in many applications that need an outstanding dynamic. For positioning tasks which require highest accuracy an equipment of the actuator with a measurement system (strain gauge) is possible.
The new PI nano series nanopositioning stages feature a very low profile of 20 mm (0.8"), a large aperture and deliver highly accurate motion with sub-nanometer resolution in 2 and 3 axes.
The Linear Induction Motor (LIM) offered by H2W Technologies is a non-contacting linear motor designed for high speed operation.
These piezo flexure linear actuators were designed for cost-sensitive OEM applications. The integrated flexure guides save the cost for additional guiding systems when integrating these actuators in micro-dispensing devices, pumps or servo valves.