Displacement Control

Piezoelectric actuators are high-precision motion devices that convert electrical energy directly into mechanical displacement using the piezoelectric effect. At the heart of these actuators lies a piezoelectric material—typically a ceramic like PZT (lead zirconate titanate)—that physically deforms when subjected to an electric field. This deformation, though microscopic in scale, is incredibly fast, repeatable, and forceful, making piezo actuators ideal for applications where speed, accuracy, and responsiveness are critical.

Unlike traditional electromagnetic actuators, piezoelectric actuators offer frictionless, backlash-free motion with sub-nanometer resolution. Their solid-state construction means there are no moving parts in the conventional sense, resulting in ultra-quiet operation, a long lifespan, and near-instantaneous response times. These characteristics make them indispensable in fields where precision and control are non-negotiable—such as semiconductor manufacturing, optics, medical devices, aerospace systems, and advanced robotics.

Key Advantages:

• High Precision – Achieve motion control down to the nanometer or even sub-nanometer scale.

• Fast Response – Operates with microsecond-level reaction times for dynamic control.

• Compact Design – High energy density enables powerful performance in small form factors.

• Low Power Consumption – Only consumes energy during movement, with minimal heat generation.

• High Reliability – Solid-state structure ensures exceptional durability and minimal wear over time.

• No Electromagnetic Interference (EMI) – Ideal for use in sensitive environments such as MRI systems or cleanrooms.

Piezoelectric actuators come in various forms—including stack actuators, benders, shear actuators, and flexure-based mechanisms—each optimized for different motion profiles, force outputs, and integration requirements. Whether you're looking to fine-tune optical elements, control fluid flow in micro-valves, or execute rapid micro-positioning tasks in industrial automation, piezo technology offers unmatched precision and control.

At HTW, we offer a range of high-performance piezoelectric actuators and fully integrated modules, tailored for demanding engineering challenges. From custom design to ready-to-integrate solutions, we help innovators push the boundaries of motion technology—silently, precisely, and reliably.