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SMAC has introduced its new LCA series moving-coil actuator, designed to replace pneumatic cylinders in precise measuring and scanning applications with an expected 10 times improvement in cycle life.

The first model in this series, the LCA25, has a small cross section of 25mm height and 50mm width, with length depending on stroke.

Starting with stroke length of 10mm, the range will extend up to 200mm with encoder resolutions from 20 micron to 50 nanometre.

Its high level of accuracy makes the unit especially useful for precise positioning and measuring.

A slide option is available for scanning applications.

The LCA series has one and three-coil versions that generate a force of 10N and 30N respectively, and with accelerations greater than 30G possible they are also capable of high-speed oscillating moves.

All models are equipped with a linear guide with built-in lubricant, which, by delivering an expected lifespan greater than 100 million cycles, enables a reduction in down time and increased production efficiency.

The actuator also has a low power consumption of 1.5A peak at 24V and 48V, making it energy efficient and very quiet compared to pneumatic equivalents.

As with all SMAC actuators, the LCA series is fully programmable in force, velocity and position modes.

In addition, the SMAC-patented ‘Soft-Land’ function is incorporated to allow delicate and controlled force when landing on fragile components.

The actuators also give 100 per cent data feedback of all operations as standard.

These features eliminate the need for external switches or sensors in order to detect actuator movement or position.

SMAC Moving Coil Actuators

SMAC manufactures precision programmable electric actuators based on moving coil technology. These actuators are unique in that force, position and speed are totally programmable. They are designed to perform at exceptionally high speeds or very low speeds and with sub-micron accuracy and repeatability. This makes them ideal for a wide range of positioning, measuring, inspection and pick and place applications, particularly where 100% verification is required. Products include linear, linear and rotary, linear slide, electric cylinders, compact grippers, integrated XY and XYZ stages, positioning stages and multi-axis systems.

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