The first and the foremost step are to decide or to plan up what type of plasma cutter you are in need of. This depends on how you are planning to do plasma cutting either by hand or on a table. You also get a plasma cutter which is capable of doing both the activities by hand and also in an automated way. There is some other plasma cutting system which includes a CNC interface, internal voltage divider which provides you a greater option for doing plasma cutting for automated applications.
When you come to know or once you decide upon the type of plasma cutting you going to do the key factor which you need to consider is the thickness of the material. The basic rule is to opt or select a system with a recommended cutting capacity which goes with the material thickness you will be able to save up 80 percent of your time. For instance, if you planning to cut 0.5 thickness metal, and at times to cut a metal which is a little more thicker say about having a thickness of 0.75-in then you can go with 0.5-in system.
Cut quality is also a very important consideration in selecting your cutting tool. The quality of the cut has an effect on your finished products as well as it has its effect on the time taken in the process of production in your later stages of production. Your aim is to achieve a clean and a smooth edge so that you need not spend much time on your secondary work. Additional to clean cuts, an advanced plasma cutting systems make a narrower kerf (cut width), which means more defined cuts and a smaller amount wasted metal.
u must as well have to consider its reliability. The most reliable plasma cutting systems are engineered with lesser parts; they make use of software in the place of hardware where it's possible, it is manufactured very carefully to exact ISO standards, and are completed tested.
Simple operation is a necessary requirement in a plasma cutting tool. Obviously, for an experienced operator, user-friendliness let his job to be completed more quickly and professionally, however it as well means that people who are less experienced or don't have much knowledge about it can't get better results as like an experienced operator. Apart from experience level, operators making use of plasma cutting tools can get their work done quickly and with a good quality, keeping time-sensitive projects on to-do list. Even the size and weight will play a very important role in your decision.
Finally, you must also take in account the operating cost. The top brands make use of patented technology to expand the plasma life, with high-quality cuts.