Allied Encyclopedia – The Four Types of Flex

Allied EncyclopediaWhen choosing cable for a flex application, it is important to consider the specific type of flexing your cable will face. This is the key to finding cable that will be effective and cable that will last. If the wrong type of cable is chosen, it is likely that the jacket and insulation will break down quickly, costing you in both product replacements and downtime. Let’s take a look at the four types of flex so you can find the perfect flexing cable for your needs the first time around.


Torsional Flex – The cable twists, usually in a circular motion. This is common in pick-and-place equipment and industrial applications.

Rolling Flex – The cable is pulled, usually through a cable track. It is important to choose abrasion resistant cable for rolling flex applications.

Bending Flex (Tic-Toc Flex) – The cable bends repeatedly, in a back and forth motion. Cables used in these applications must have tough insulation and jacketing built to withstand the stress of repetitive lateral movements.

Variable Flex (Random Flex) – The cable moves freely. Variable flex is featured in many robotic applications and automated machinery.

Now that you can identify the four different types of flex, you are well on your way to finding an appropriate cable solution for your flexing application!

About awcwire
Allied Wire & Cable is a value-added manufacturer and distributor of electrical wire and cable, tubing, and more. We are a family owned and operated company, serving a wide range of industries, including the military, automotive, aerospace, and telecommunications markets. Allied is headquartered in Collegeville, PA. Additional locations can be found across the US, in Merrimack, NH, Tampa, FL, Pewaukee, WI, and Las Vegas, NV. For more information on Allied, visit our main website at

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