It appears that kcam is a Controller like mach, turbocnc etc.
You are missing a step in between the cad process and the controller process and that is to generate the g-code from the drawing.
There are many ways of doing this from hand coding to having a computer generate it for you.
Cam programs run from free to many $$$$$
On the free side you can find Ace Converter (DAK Engineering - Home of TurboCNC)
or Cambam (CamBam CNC Software) and they also have a paid version.
My personal preference is Sheetcam (SheetCam homepage)
Good luck and welcome to an enjoyable experience.