Information On Plasma Cutters Available Online
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By :
Kristi Ambrose
Submitted
2008-09-03 14:36:49 |
Plasma cutting is a process is used to cut steel and other metals using a plasma torch. An inert gas is blown at high speed out of the nozzle; at the same time an electrical arc is formed through the gas from the nozzle to surface being cut, turning some of that gas plasma. The hot plasma melts the metal being cut and blows the molten metal away from the cut. Plasma can also be used for plasma arc welding and other applications.
It used to be the plasma cutters could only work on conductive materials such as; copper, silver, and gold. However, there are also many non-metallic conductors such as graphite, salts, and all plasmas. New technologies allow the plasma ignition or to be enclosed within the nozzle, allowing the cutter to be used for non-conductive workpieces. Plasma cutters are also useful for cutting sheet metal in curved or angled shapes.
Plasma torches used to be quite expensive, at least a thousand US dollars, which was one of the reasons why you would only find them and professional welding shops, private garages, and shops. Modern plasma torches are becoming cheaper however. So, what exactly are plasma cutters used for? Well, Kerry is largely in custom auto shops as well as my car manufacturers to customize and create chassis and frames. Construction companies also use plasma cutters in large scale projects to cut and fabricate huge beams. And, locksmiths use plasma cutters to bore into safes and vaults when customers have been locked out. So, as you can see a multitude of people use these cutters for a multitude of different "jobs."
There are several different ways you can buy a plasma cutters such as:
HyperTherm
CyberWeld
MillerWelds
PlasmaCutter
These new and improved plasma cutters usually cost around $300 or more depending on where you buy the cutter from, the brand, as well as the "type" of cutter you decide to buy so shop around and find the best price as well as the best model for your needs. There are three questions in particular you should be asking yourself before buying a plasma cutter because several different cutters range in the capacity in which they can take on:
1. What thickness of metal will you routinely cut?
2. What is the maximum thickness you will cut?
3. How fast do you want to cut?
And lastly follow all precautions before cutting. Wear safety equipment, read the owners manual, inspect the torch tip, replace worn items, check air/gas gauge, etc. |
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