The Basics of Laser Cutting
There are three sorts of laser in use today; first there are decorative lasers seen in nightclubs, then there are laser tripwires normally used for security purposes in banks, museums and Hollywood films. The most powerful category of laser is the industrial laser cutter, able to cut through the thickest of metal sheets.
How can lasers do so many different things? It is a somewhat complicated issue, but all of these lasers are designed on some similar ideas. For one thing, the major design feature of a laser is that it is a device which controls atoms (which are in a state of high stimulation) convert some of their energy into a single powerful precision cutting beam. The strength of this light beam depends upon the type of laser. There are gaseous, fluid and semi-conducting lasers, among others. These lasers can all be used for industrial and manufacturing purposes, including laser cutting systems.
If we talk about laser cutting technology or laser cutting machines we typically mean the gaseous or semi conducting lasers. The selection of laser type used for cutting usually depends upon the material in question. For example, steel, aluminum and even plastic are usually cut using CO2 lasers. In most processes the lasers will melt, burn, or vaporize the material with which they come into contact, however this usually involves a two-part process.
Basic laser cutting technology first requires that the beam, and the substance to be cut, connect. The second part of the process is frequently referred to as the cutting of a keyhole to use as a starting point. Generally, however, this is something done only with non-melting materials to avoid making a mess. When laser cutting systems are put to use to cut metal they will generally follow the "reactive cutting or "melt-and-blow" methods . With these techniques the material is superheated and a second system used to remove any metal.
Laser cutting machines always produce an incredibly neat finish and that's why such a large number of businesses and shops are prepared to invest in these massive machines needed to offer any sort of manufacturing and custom component making service.
One question many people ask is if such a technology can be employed to produce both large and small items, and the answer is a definite yes. Laser cutting machines can be used to cut almost anything from large steel gates to delicate parts for model railways and mobile phones.
About the Author:
Marc Anderes is a co-founder of Maloya Laser which specializes in Metal Manufacturing and Laser Cutting with state-of-the-art laser systems, targeting aerospace, medical, machinery, scientific and transportation needs.