This is a simple actuator using 0.008″ HT Flexinol to develop a bending mode operation. It is designed to operate at 2.5 Volts.
Indianapolis, IN USA
Portland, OR USA
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This is a high force linear actuator with a single SMA wire wound around pulleys to provide high force.
Indianapolis, IN USA
Portland, OR USA
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This long stroke, high speed, prototype SMA actuator was designed for Sony to remove DVD’s that did not pass quality control from an assembly line. Mineral oil is used in the body of this actuator to enhance cooling of the Nitinol. This actuator features 8″ of 0.010″ diameter HT Flexinol. It operated at 28 Volts which is typical of industrial equipment. Our Nitinol Actuation Model showed that enhanced cooling would be required to meet the one second recovery time as required by the Sony spec.
Indianapolis, IN USA
Portland, OR USA
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We have found that printed circuit boards (PCB) are great substrates on which to build Nitinol actuators. Using standard PCB design and assembly technology, high precision components and circuitry can be pick and placed along with actuator components. This allows for applications to be volume ready. This design features our patented technology that multiplies the stroke of single wires allowing for longer strokes in small packages.
Indianapolis, IN USA
Portland, OR USA
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These prototype devices have been used as drone payload release mechanisms and for protecting drugs in high security medical carts. They can be made very thin (less than 2 mm) and lightweight (less than 1 ounce) and can use very little energy to actuate. They can be used across a wide range of voltages, from 3.7 Volts – 30 Volts. They can be actuated with as little as 5 watts of power and can be made to hold in the actuated state with roughly 15% of the actuation power.
Indianapolis, IN USA
Portland, OR USA
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This actuator has 7 mm of stroke at 125 pounds of force. These three ganged actuators operate in series and are an example of an over-stress protected actuator.
Indianapolis, IN USA
Portland, OR USA
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Mon-Sat: 8am - 5pm
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High strength crimps applied to Dynalloy’s 0.015″ diameter Flexinol capable of holding 30 pounds. The wire breaks before the crimp comes off. These crimps go way beyond anything else commercially available.
Indianapolis, IN USA
Portland, OR USA
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Mon-Sat: 8am - 5pm
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Nitinol actuators are very easily damaged if the stress exceeds roughly 40 ksi or if the temperature exceeds 150 degrees C. This is a demonstration of mechanical over-stress protection in which flexures deflect very short distances when an engineered or pre-determined Nitinol wire stress is exceeded. Under high stress conditions the flexures allow the Nitinol anchor point to move and close a switch. Thereby cutting power to the device and protecting the Nitinol from over temperature or over stress conditions.
Indianapolis, IN USA
Portland, OR USA
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Mon-Sat: 8am - 5pm
Sun: Closed
20 mil Flexinol HT Air cooling vs Mineral Oil cooling
Indianapolis, IN USA
Portland, OR USA
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Twelve layer printed coils are used to launch a small Neodymium Iron Borate magnet. We use short 10 ms pulses in the coil at 30 Volts.
Indianapolis, IN USA
Portland, OR USA
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Mon-Sat: 8am - 5pm
Sun: Closed