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Reasons Why Aluminium is an Excellent Choice for Machining
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Aluminium is a smooth and flexible metal with abundant benefits that make it an excellent choice for machining.
These include its elevated stability, suppleness, and lightness. It is non-flammable, lacks magnetic properties, and is reluctant to corrosion. It’s a perfect material to incorporate on CNC automobiles and can be used in machining methods including Milling, Drilling, Turning, Punching & Bending.
History of Aluminium
Aluminium is one of the most universal metals on Earth, consisting of 8% of the Earth’s core mass. It’s also the third most widespread chemical element on our planet after oxygen and silicon. Persians prepared extra-strong pots from clay which also included aluminium oxide and Greeks and Romans used this material in medicine as an astringent and in dyeing processes. But the thing is, this material doesn't occur naturally in its purest form. It wasn’t until the 19th Century with the advancements in chemistry and the beginning of electricity when this metal was discovered. Generally present in minerals and compounds like beryl, cryolite, feldspar, and turquoise. The leading raw material for its production is Bauxite. It is generally found in topsoil encountered in various tropical and subtropical regions, and resources are most abundant in Africa, Oceania, and South America.
In the initial stage of metal production, bauxite is processed into alumina, or aluminium oxide. This material looks like white granulated powder and then that powder is processed into aluminium at aluminium smelters by utilizing electrolytic reduction. This widespread is produced in various shapes and sizes relying on their end-use. They may be spun into aluminium wire rods, binding wires, panes, sheets, foil, or bars.
Benefits of using Aluminium
● Lightweight
The metal has a distinct weight of approximately 2.71 g/cm3. It’s somewhere about a third of the weight of steel, which makes it simple, manageable, and cheaper to transport than most other metals. The durability of this metal can be adapted by using different types of alloying elements to provide better benefits that include high strength and easy formability.
● Corrosion Resistance
This super portable material is also a corrosion-resistant metal that naturally generates a protective coating. The coating formed is very thin and is generated when the metal comes in contact with an oxidizing surrounding. This protective oxide layer protects the surface of the metal from corrosion. Besides this, getting surface treatment such as painting anodizing can further endow the overall corrosion resistance of the metal.
● Electrical and Thermal Conductivity
It is a great conducting element of heat and electricity. Although it is not as conductive as copper, it's approximately a third of the weight. An aluminium binding wire with half the weight of a copper wire would have a similar amount of electrical resistance. As a result, it is the most chosen equipment for power transmission lines. Mostly utilized as heat sinks in applications such as LED lights, electrical products, computer motherboards, etc.1
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