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Even when we’re not at work we can’t help noticing fabricated structures all over. Whether we’re loading a trailer, on bleachers or contemplating a canopy for a boat, metal fabrications are always on our mind

Aluminum Extrusion envelopes

Many of those fabrications, like the three just listed, use extruded aluminum section. As you may have seen, we’re fans on this material. That’s since it simplifies fabrication assembly while improving strength and stiffness. It’s also lightweight, corrosion-resistant and good-looking. (You are able to polish it with a shine, anodize it, coat it or paint it.)

These properties ensure it is well suited for a variety of applications. In fact you could be surprised to understand exactly how many ways to use extrusion you’ll find. We’ll list probably the most common ones below, however, it may be helpful to explain what extrusions are and how they’re produced.

Extrusion Process Basics

When we say a material was extruded we mean it absolutely was pushed by having a hole or opening to be removed as a long length using a uniform cross-section. Some call it the toothpaste process, because squeezing the white, or stripey, paste through the tube is extrusion.

Extruding aluminum is a touch more technical, although the idea is the same. A billet of aluminum is first heated to a number exceeding 900°F prior to being loaded into a chamber in an extrusion press. A ram applies pressure to the billet, forcing it circulation by way of a small opening at the opposite end of the chamber. This opening, that is machined into a block of tool steel, produces the cross-section or profile how the aluminum takes on.

Extrusion is often a continuous method that can produce tons of feet of extrusion. (Confusingly, extruded material is known as “extrusion” similar to the process.)

Extruded aluminum emerges from the die in excess of 900°F and moves onto a “leadout” table. Here it’s cut to length and quickly moved out the way from the material which simply continues coming. It cools over a “stretching” table prior to being cut down to lengths suited to shipping.

Extrusion Profiles

One of the features of the extrusion process could it be can produce a virtually limitless various profiles. These are classed as solid, hollow and semi-hollow.

Square, rectangular and round bar would be the least complicated profiles and therefore are examples of solid extrusions. Hollows are essentially tubes, square, round, rectangular or other shape. Because name implies, the profile completely encloses a clear chair space.

For semi-hollow extrusion, picture a “C” shape. It’s closed almost all of the way round with only a small opening inside the profile.

Normally, extruded aluminum has great dimensional stability. Semi-hollow section shows one of the most variability, although still almost no, as a result of tendency to open out slightly.

The reason to use Aluminum Extrusion?

Aluminum can be a fascinating material with characteristics which render it especially useful whenever low weight, corrosion-resistance, strength, appearance or thermal or electrical conductivity are important. Extrusion gives it whatever cross-section is desired, which can will include a host of useful features. Tee-slots for holding nuts captive are certainly one example, stiffening ribs another.

Another reason for favor of extrusion is cost. Extrusion dies are far less costly than these for molding or casting, and can be produced in a smaller amount time. In addition, the procedure itself is pretty cheap to operate.

Common Applications of Extruded Aluminum

Making a set of the top 10 applications would mean debating definitions and if you should use tons, yards or dollars. We argue enough as it’s, so we’ve just gone having an alphabetical list used by that which you know.

Architecture and Construction

This group of applications ranges from railings and balustrades to building facades and bleachers. Stiff and light-weight aluminum section is ideal for applications like canopies the location where the structure can’t weigh much but must handle a large quanity. (High stiffness means you may need a reduced amount of it, which results in more weight-saving.) It’s also employed for suspended ceilings along with walls.

It may be a stretch to feature it being built, but many ladders are made of aluminum extrusion.

Display equipment

Nearly every stand you’ve seen at a trade event or exhibition was constructed with extruded material. That’s because extruded section might be designed so pieces interlock, making assembly simple and fast. It’s simple to move too, this means you will be finished any number of ways for an attractive and durable appearance.

Different color leaves, point-of-sale displays, mirrors and showcases is also examples of aluminum extrusion employed for display.

Electrical Systems

As it’s a fantastic conductor, extruded aluminum may also be employed for busbars and related electrical equipment. Another application is at lighting. Modern LED fixtures particularly can have thermal management challenges. Aluminum extruded with fins makes an excellent radiator or heat exchanger, is readily mounted to and colored, and doesn’t weigh excessive when mounted overhead.

One third electrical example will be the usage of aluminum extrusion in photovoltaic (solar) panel support structures. These need strength and corrosion-resistance, coupled with low mass, especially in the the event of roof-mounted panels.

Industrial

Walk through any factory, and you’re almost bound to see aluminum extrusion being put to work. It’s the fabric of choice for equipment like workbenches, inspection tables and carts because it’s very easy to cut and drill, lightweight yet stiff, and good value-for-money. Additionally, it gets the added attraction of being extendible: if the workbench needs modifying that’s quickly done.

Inside the same factories you’ll often also see extrusion used to create frames for machine guarding. It is going together quickly and could be fitted with Lexan panels for a clear view while protecting people working nearby.

Transportation

Weight and lightweighting are big concerns in transportation. Aerospace can be an obvious example, but then you can find automotive applications like trailers. Keeping trailer weight low lets the tow vehicle expend more torque on hauling stuff and fewer on moving the trailer itself. Note that is generally as much to horse and boat trailers mainly because it gives 53’ semi trailers.

Aluminum extrusion can be used extensively in RV’s for a similar reason. And it also won’t rust and could be polished up to look similar to chrome, so it’s good for decoration too.

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