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This section provides an overview for piezoelectric actuators as well as their applications and principles. Also, please take a look at the list of 0 piezoelectric actuator manufacturers and their company rankings.
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A piezoelectric actuator is a device that converts electrical energy from sources like ICs into physical kinetic energy, manifesting as linear motion or deformation. This conversion is achieved through a piezoelectric element within the actuator, making piezoelectric actuators distinct for their high precision, rapid response, and absence of electromagnetic noise.
These actuators are notable for their compact size, lack of a need for driving coils, and low power consumption, making them ideal for precision instruments such as digital cameras and mobile devices.
Piezoelectric actuators find applications across various industrial products and household appliances, particularly in precision equipment. They are valued for their compactness, swift response, and energy efficiency. Uses span single-lens reflex cameras, hard disk drives, inkjet printers, medical devices, and more.
The operation of piezoelectric actuators is based on the inverse piezoelectric effect, where applying an electric field to a piezoelectric material causes it to deform. This effect is harnessed to achieve precise mechanical movement through electrical control. By thinning the ceramic substrate, these actuators can operate at lower voltages, enhancing their efficiency.
Piezoelectric actuators offer several advantages over traditional electromagnetic actuators, including the potential for greater displacement and reduced drive voltages. Electromagnetic actuators, requiring coils, struggle with miniaturization and cannot match the precision, controllability, and energy efficiency of piezoelectric actuators.
While piezoelectric actuators can achieve nano-level control, they exhibit hysteresis, meaning their displacement is not perfectly linear with control voltage. This necessitates external precision control mechanisms, such as strain gauges and ASICs, for accurate operation.
Interest in piezoelectric actuators for energy harvesting is growing, driven by environmental sustainability goals. These devices can convert mechanical displacement into electrical energy, with potential applications in power generation from environmental sources, including vibration, light, heat, and electromagnetic waves. This technology is also being explored for use in wireless communication tags powered by vibration energy.
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112 products found
112 products
NIKKO COMPANY
250+ people viewing
Last viewed: 1 day ago
■Summary Vibrex® is a linear ultrasonic motor that uses piezoelectric elements. A piezoelectric element generates ultrasonic vibrations that drive ...
WIN SOURCE ELECTRONICS
90+ people viewing
■Summary Solenoids and actuators are critical components of motion control and automation systems. Solenoids convert electrical energy into linear ...
THK PRECISION CO.,LTD.
40+ people viewing
This is an electronic hammer that sharply extends a piezoelectric actuator to apply striking force to a workpiece (object to be moved) and move it....
THK PRECISION CO.,LTD.
80+ people viewing
Last viewed: 2 hours ago
This product incorporates a piezoelectric element into a compact guide mechanism so that it can be easily used as an actuator. Equipped with tapped...
