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Do you have some sort of CAM program, you need some software that will do that part for you. (This is sort of my problem too)
I have problems converting from 2D autocad programs to 3D models and then running them.
One thing that I have done, last week I dd a dry run in the machine. Mock up, once I got all the settings complete, tool height, X zero, Y zero, and Z zero, I had the machine run on it's own with no tools in it. I did this just to see if it would run. I could stop it at cetain points and measure a couple of things, this gave me an ideal of where I was and if what I put in was correct and if I needed to make any changes. It was a little time consumming but, it was all I could do to make me feel more confident at what I was doing. I have been told to put in a cutting tool that is not very good (sacrificial) and a block of wood, wax, plastic, or whatever you have that won't cause too much damage (if any) to the machine or you and run it like that. This built some confidence in my abilillty to do something with what I have to work with.
I have only run 2 parts so far in our machine, nothing special or complex, just entry level stuff, I too am very new to the whole CNC machine process. Just keep pluggin along, try a step at a time like the vdeos show you.
Hope this helps.
Vern.
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