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Plasma Cutter
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 30 GENERIC PLASMA CUTTER CONSUMABLES, tips, electrodes.. (excluding LOTOS Brand)  US $9.99
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 CNC ROUTER, 3D-MILLING MACHINE, Engraver Plasma CUTTER US $39,990.00
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Here are some more information for Plasma Cutter:
Plasma cutters generate the plasma in one of two ways: High-Frequency (HF) Contact or Pilot Arcs. Which one your plasma cutter uses depends on how old it is; the new high-tech machines use pilot arcs. The main difference is that HF Contact models must close a circuit with a work piece that conducts electricity in order to cut whereas the pilot arc models can cut anything. They work in very different ways.
HF contact method of creating plasma is still found in low budget plasma cutters and in older plasma cutters. How it works is the plasma cutting unit is connected to the work piece by a clamp and cable and when you touch the nozzle of the torch to the work piece an electric circuit is created. An electric arc zips from the work piece threw the plasma torch nozzle to the negative electrode inside the torch head. At the same time, pressurized inert gas flows in the opposite direction, from the torch head out onto the work piece. As the gas surges past the zapping electric arc it is heated to around 50,000 degrees Celsius. At that temperature the gas becomes plasma which is a form of matter that is a liquid and a gas at the same time. It is this super-hot, super-fast moving plasma that cuts the metal. The HF contact method is said to have one cycle because the main plasma flow is generated in one step.
The Pilot Arc method is a two cycle process. First, a high voltage, low amperage circuit is used to make a small, high-intensity spark in the body of the torch which produces a small pocket of plasma in the torch head (note that the plasma is already generated in the torch without the need to touch the work piece, this is what eliminates the need for a conducting work piece). Now, you can use a trigger to ignite the main plasma arc that will be used for cutting whatever it is you want to cut. Pilot Arc is the method used in CNC plasma cutting applications.
There is a difference in cost between these two systems, so keep that in mind while you are shopping around.
Plasma cutting is different than regular welding. If you do not know what you are doing you may risk serious injury. Find out more about plasma cutting at http://www.glowingplasma.com
Buy It Once - Your Guide To Buying A Cnc Plasma Cutter
There are many factors to consider when choosing a CNC plasma cutter. Let's look at some questions you will need to ask and be able to answer.
What is the thickness of the material you will be cutting? Start with the thickness of the materials that you will be cutting most often. A good general rule is to choose a plasma cutter capable of cutting twice your normal cutting thickness. It may seem like you are buying more than you need, but it will provide you with the capability to cut thicker material when needed, and provide you with high quality, high precision cuts.
Does the cut quality meet or exceed your application? The quality of the cut on the finished piece ultimately effects the quality of the part as well as the time spent in secondary operations on clean-up. Modern precision plasma systems provide tight focused arc providing a clean, smooth and straight cut with a narrow kerf, as close to laser quality cut metals as possible.
What are the consumable costs? The manufacturer should readily provide you with details for consumable life. It is important to find a plasma cutter that makes consumables last as long as possible. Always purchase the recommended consumables for your machine. Cheaper brands will not last as long nor will they provide high quality cuts.
What is the reliability of the machine? The best plasma cutters are designed and built to exacting machine tool quality standards. They are built to be strong, heavy duty and durable. A plasma cutter with a fully welded cutting table is capable of handling heavy plate loads (2" and more) and will withstand rigorous daily usage without any loss of accuracy or quality.
Is it easy to use? For a plasma cutter to provide long-term value, it must be easy to set up and use. Look for one that is simple to learn and operate and which comes loaded with time-saving features such as a large shapes library, import of AutoCad files with nesting possibilities, kerf-on-the-fly adjustment, and auto-gas console integration. A machine that is easy to use and which incorporates cost-saving features will increase your productivity and your bottom line.
How much should you expect to spend? An investment in a CNC plasma cutter must be one that makes sense today and for years to come. A machine that cuts your parts right the first time and without the need for multiple secondary operations will provide a faster return on investment as well as improve productivity. By choosing a high quality plasma system based on it's intended use, features and capabilities, you will buy a machine that may not be the cheapest or least expensive. If you buy cheap, you will buy your plasma cutter more than once.
You get what you pay for. Be willing to pay for a quality CNC plasma cutter that will make, not cost, you money. Buying quality is never a mistake.
About the Author
AKS Cutting Systems knows that you have choices when it comes to purchasing your next CNC plasma cutter. Few manufacturers can offer the durability, quality and precision that AKS does. Visit http://www.AKSCutting.com for more information and details about heavy-duty, high precision machines. AKS produces the only machine-tool quality plasma cutting systems in the industry. They are designed and proudly BUILT IN THE USA, BUILT TO LAST, and BUILT TO BE THE BEST!
cnc profile plasma cutter uk metalwork durham Help!!!?
We are just beginning to think of purchasing a cnc plasma cutter for doing the more intricate art designs in sheet metal.....i.e. silhouttes, shop signs...interior artwork etc. We do use a normal torch plasma cutter, welders etc for normal shop fabrication....but dont have much knowledge of the more intricate computerised ways.... can somebody give me a starting point of a make...price range or where to purchase such a machine etc......tried google,.but am lost in too much information and no direction
Which ever one you decide on, it has to be able to accept programs which are generated from CAD drawings. The cnc controller should have that capability. The computer is only as good as the part data you put into it. The greater the customer base the greater the probability that someone else has already worked out the details.
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