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SMA ACTUATORS

SMA
ACTUATORS

Shape Memory Alloy (SMA) actuators utilize a wire of a particular alloy of high strength corrosion resistant Nitinol material that contracts a specific amount when heated, and requires much less energy than alternative methods. This shape memory effect allows SMA actuators to deliver reliable motion control using compact, lightweight smart materials as the alloy transitions from a low temperature phase to a high temperature phase.

DESIGN & DEVELOPMENT

Design and development of shape memory alloy (SMA) wire assemblies and actuators, incorporating Autosplice’s patented crimp technology. Our engineering team specializes in developing innovative shape memory alloy actuators for precision motion applications, where conventional actuators fall short.

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PROTOTYPING

Prototyping of SMA wire assemblies and actuators, by actual tooling or by a combination of actual tooling and 3D printing. Our rapid prototyping methods accelerate SMA actuation concept validation, making it ideal for fast-moving development cycles that require quick iteration of SMA components and actuator configurations.

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PERFORMANCE TESTING

Life cycle and performance testing of SMA wire assemblies and actuators, including setting up of test protocols, and design and fabrication of test fixtures. Our testing process verifies reliability under real-world conditions, ensuring each actuator meets rigorous durability and performance standards.

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Shape Memory Alloy wire used in Drug Dispensing Unit

For this dispensing unit it was essential to develop a low profile release system. SMA wire eliminated the need for solenoids and increased the number of containers available in a given area, with flexible configuration management.

In addition to offering custom control that is difficult to match via traditional devices, Shape Memory Actuators also offer low cost, low power, generate less heat, are extremely lightweight and offer quiet operation. These advantages make SMA material a compelling option in applications requiring high efficiency and design flexibility.

Shape Memory Alloy wire application​ | Mini Actuator

Rotational/Direct Pull Shape Memory Actuator is an ideal solution for flap and vent mechanisms and is well suited for ice dispensing and vented areas in appliance applications. As designed, the actuator can support a rotation up to 55° or a direct pull of 0.158” (4.1mm). The actuator also incorporates a unique “compliancy” or “wedge proof” design that overrides and protects the product from jamming situations, offering silent and power-efficient performance. Tested to greater than 500,000 cycles of continuous operation.

Shape Memory Alloy wire assembly handling feeder / de-reeler

This fully automated machine is designed to remove Shape Memory Alloy (SMA) wire assemblies from PVC tape packaging, which is used to protect wire assemblies during shipment and to present assemblies for use in subsequent operations.