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. 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.
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