I’ve heard of muscle wire that contracts in length (about %) when And whats the difference between Flexinol and Nitinol? or is this a. If you’re using SMAs for the first time, I recommend starting with Flexinol muscle wire (which is available on Robotshop, or directly from. Flexinol LT Muscle Wire These unique nickel-titanium alloy Muscle Wires actually shorten in length when electrically powered, and can lift thousands of.

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Part of the solution rests upon how fast the response from the wire is required to be.

Things to Do Here Home Links. However, it is equally valid to use a lever to do the opposite and enable a large force moving over a short distance to create a small force moving over a large distance. There was a problem filtering reviews right now.

Introduction To FLEXINOL® Actuator Wire

Musclle in most applications uses electricity to generate the internal heat needed for transition. Welcome to the Make: This mechanism uses the wire as a muscle to pull the flap. Also provided is the approximate electrical resistance of the various gauges.

In general, always test your mechanism using low power and turn on the wire in short intervals.


Designing with Nitinol brings its own set of challenges. Subscribe to Make Magazine Today! Please check your email. Home Links Privacy Policy. Image Unavailable Image not available for Color: So I changed my major to mechanical engineering because they get access to the machine shop! Send this to a friend Your email Recipient mjscle Send Cancel.

However, most bias solutions will involve a spring of one sort or another. Another aspect of this simple device worth noting is the use of leverage. A couple of convenient and readily umscle sources of springs for experimentation include rubber bands and the compression springs found in retractable ball point pens.

Please check your email to confirm. Marcelo Coelho has experimented with combining custom-set nitinol with textiles to create actuated flexinnol as well as responsive and soft interfaces like the Shutters Project:.

wige Much of the remainder of this article will be concerned with addressing these challenges. Too much current and the wire will overheat, becoming stressed and losing its shape memory properties. Please try again later. Showing of 1 reviews. This stretching requires that a counter-balancing force be engineered into the project.

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How-To: Work with Shape-Memory Alloy

Potential bias forces include gravity with a counter weight or another length of Flexinol. The ideal bias value will of course depend on the application.


The configuration allows the gripper to grasp objects of various musclw using power derived from the spring. That same summer, I got an internship in Brooklyn building sculptures out of bottles for Aurora Robsonthrough which I fell in love with art again.

Flexinol LT Muscle Wire: Electronic Component Wire: : Industrial & Scientific

Gauge also dictates the wire’s resistance to electric current, the available current required to reach musclr, and the time the wire will require to heat and cool. A force must be applied to the wire to pull it back to length. Fleximol the greatest challenge lies in the fact that actuator wire must be stretched back into its lengthened state with each activation cycle.

Jie put together this wonderful introduction to shape-memory alloy SMA for us.

Have one to sell? Flexinol is referenced in many books and research articles, and has been specified in a number of student and hobby-level robotics projects.