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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Sign up for the Make: The configuration allows the gripper to grasp objects of various sizes using power derived from the spring. Image Unavailable Image not available for Color: This is great and a wonderful price if you just want some muscle wire for some kit you’re building.

His writings on these on other diverse topics appear regularly here and across the Internet. Flexinol is a great addition to your robotic bag of tricks.

Flexinol and Muscle Wires are both trademarks of the California company Dynalloy. Newsletter Stay inspired, keep making.

Jie put together this wonderful introduction to shape-memory alloy SMA for us. Please try your search again later. Withoutabox Submit to Film Festivals. Since there is a layer of oxidation around the wire, you cannot solder directly to the wire itself.


Music wire also called piano wire can be used to fabricate your own springs. The need for a bias force adds a dimension to robot design which is likely new for many hobbyists. Flexinok builders will use standard solderless terminals from other electronics applications. Nitinol is one of several alloys which demonstrate the shaped memory effect.

How-To: Work with Shape-Memory Alloy

When cool, they are malleable and can be shaped like a typical metal. The potential advantages to working with Nitinol actuators are significant. If you try to wrap a coil using only pliers and a dowel you muacle almost certainly hurt yourself. When designing the mechanism care must be taken to ensure the the Flexinol is free to move along its entire range of contraction.

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Introduction To FLEXINOL® Actuator Wire

When cool these alloys can be bent or stretched, and then when heated the alloy returns to its original shape. Please make sure that you are posting in the form of a question. Some designs might call for a bias as close to the required refresh force fleixnol possible to provide as much musclw energy as possible from the actuator.


The properties of an actuator wire are highly dependent on the manufacture of the Nitinol and the preparation of the wire. Page 1 of 1 Start over Page 1 of 1. In some applications it is possible to activate the wire without additional resistance in the circuit.

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

Another aspect of this simple device worth noting is the use of leverage. Too little current and the wire will fail to contract. Ships from and sold by Jameco Electronics.

Pages with related products. Too much current and the wire will overheat, becoming stressed and losing its shape memory properties.

Amazon Rapids Fun stories for kids on the go. In the table reproduced below, Dynalloy provides some guidelines as to how much current is required to cause a Flexinol wire of a given gauge to contract in one second. In most robotics applications dire heat required for this transition is generated by conducting electricity through the wire.

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