![]() Also know that, for the best results and fewer cracks on the outside of the bend, the bend line should go across or diagonal to the material grain when and where possible. When bending aluminum, know that the smaller your inside bend radius, the larger the chance that cracking will occur in the part. ![]() The process can take up to four hours to complete, depending on the characteristics of the material. This type of hardening typically is performed in an inert-atmosphere vacuum at temperatures between 900 and 1,150 degrees F. ![]() To create these precipitates, the aluminum is heated using a solution treatment at high temperatures and at a prescribed time, then quenched for rapid cooling. Once the particles become dispersed, they hinder any further dislocation of the grain, thereby strengthening the metal. T6 aluminum is precipitation-hardened, which is a form of artificial aging that causes particles within the metal to be spread evenly throughout the grain structure of the metal. Alas, it’s the life of a press brake operator. ![]() That’s the ideal, anyway, but the reality is that many parts arrive at the press brake in a less than ideal state. From a bending perspective, it’s always best to bend these parts in an annealed state and then temper them to the correct condition. Question: We’re having trouble bending 6061-T6 aluminum without cracking, and I was wondering if you could give us a few pointers?Īnswer: 6061-T6 aluminum is tempered and notorious for not bending easily. ![]()
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