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Vehicle load is a static distributed load in the middle of the longest tube and is 1/3 the tube length. Material is nominal size (material is commonly under nominal size, but within material geometry specs, like. 095 wall is actually stronger for bending loads! You can also look at individual parts of a roll cage under load, but please understand that evaluating roll cages is work done by trained professionals and any evaluation you do on individual parts does not indicate the overall safety of the structure. Type them both into our calculator, and check other sources if you still aren’t sure. But you look at the thin wall on the 1.75x.095 and decide that light junk can’t be as strong as the 1.25 solid bar, right? Wrong. You pick them both up and look at them, and they both feel pretty beefy. For example, lets say your local metal distributor has 1.75x.095 tube and 1.25 solid bar on sale from some huge bulk purchase that fell through with another customer.
ALUMINIUM TUBE BENDING HOW TO
You should use this calculator to compare materials, diameters, and wall thicknesses to find out how to make your designs safer.
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This will typically result in the structure failing as a safety device. Let the bend experts at Hines Bending share the trick of the trade to make your aluminum bends successful.Pressure level that will fracture a material. From installation of your aluminum tube bender to training and service. Whether bending T0 or T6 the more experience bending aluminum tube you have will go a long way to understand the properties and bend stress of this material.Ĭall or email Hines Bending Systems today and ask about aluminum tube benders for sale now. Since 6061-T6 has far less elongation, often in the 12% range, some jobs may require annealing before bending. 6061-T6 has the least elongation, and often used with jobs with larger radii. 6061-T0 has the best elongation percentage for bending and often used in aluminum tube jobs with tight radius bends.
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It is a heat treatable alloy with various levels of tensile strength. The most common aluminum tube alloy that comes up with bending on aluminum tube benders is 6061. However, the tighter the radius, the more likely you will encounter issues when bending aluminum tube. With a larger radius and a bend less than 90 degrees there is some leeway in the stress placed on the aluminum tube material. It is always recommended to coordinate the aluminum tube supply order to bend it up when it arrives. As aluminum tube sits and hardens the elongation decreases. For this reason, aluminum tube is subject to material failure (ie. This also means it becomes harder to bend too. Age hardening means that the aluminum tube gets harder the longer it sits. In the case of aluminum tube, age hardening is always a concern. There are specific materials that perform better under bending stress. Bottom line, you want to purchase aluminum tube benders with mandrel capability if you know you want to keep its shape. The wall factor along with the radius and degree of bend will dictate whether the aluminum tube job requires a mandrel. The requirement for a mandrel will be determined by a wall factor equation. When bending certain aluminum tube jobs it may only require a mandrel plug. Also referred to often as a mandrel shank. A wiper die completes the bend process by eliminating any wrinkles on the inside bend area of the aluminum tube. To bend aluminum material you use a chrome mandrel.
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To keep ovality of aluminum tube, your mandrel takes the force exerted on the tube during a bend. Likewise, aluminum tube compression occurs on the inner radius of the bend. Aluminum tube, like most materials under bend stress, want to stretch on the outer radius of the bend. Mandrels on Aluminum Tube Benders for Saleīasically, a mandrel is held in a fixed position while the aluminum tube is pulled over it. Tooling is especially important if you want to keep the shape and aesthetics of the aluminum tube through the bend. The aluminum tube benders for sale and tooling made specifically for the aluminum tube job bend specifications become key. The mandrel bend will keep the original shape of the aluminum tube. The crush bend will show the collapse of the inside bend area, like that of a school cafeteria chair leg. Bending rec or square aluminum tube is popular and bent with a crush or a mandrel. Often the aluminum tube material is not round. Shape of the Aluminum TubeĪluminum tube comes in different shapes and sizes. Let’s look at aluminum tube more closely and what you need to purchase aluminum tube benders for sale. Some bending experience and tricks of the trade will help too. The good thing? Quality aluminum tube benders and the right tooling do get the job done. When you bend aluminum tube there are some key things to consider.