CHAPTER 11Building Your Own CNC Plasma Table
This chapter details on the construction process of building a plasma table capable of working with a sheet of material 4 by 4 ft. The overall dimensions of the table are approximately 5 by 5 ft, so this unit should fit comfortably in most shop environments.
The main support area for the table and legs were constructed from 3 by 3 by 3/16-in thick wall steel tubing, with all of the joints welded (see Fig. 11-1). Now is the time to make sure the sections are square to each other. Note the pipe clamp being used to provide final adjustments prior to welding.
The spans of the four horizontal tubes are each 5 ft (or 60 inches) in length. The vertical legs are each 28 in long. The legs may appear to be rather ...