Hi,
I’m sort of new to the CNC world. I want to build a low cost CNC for machining foam that will be used for composite parts. So accuracy is not critical. That is why I have decided to convert a drill press that I have. I’ll make an X-Y table and modify the drill press for the Z-axis.
I have been using a student version of Solidworks for a few years now and like to use it for the models for this project. I’m not sure of everything that I need both hardware and software. How do I go from my Solidworks CAD model to a physical foam piece?
This what I know I need so far:
1. Computer for running software
2. CAD package – Solidworks
3. Program for converting CAD to G-code
4. Program for transmitting G-code to the CNC
5. A device-card for transmitting the G-code to the stepper motors
6. Stepper motors
7. XYZ table and cutting device
I understand 1, 2, 6 and 7. Even 5, I understand but won’t be able to make myself. What I’m not sure about is 3 and 4. Going from CAD to G-code being sent out to the stepper motors.
I can’t afford Mastercam or other expensive CAM software. I hope to build this thing as inexpensive as possible.
I guess what I really need to know is what free software is available to go from Solidworks CAD to sending G-code to the stepper motors.
Sorry for the long post, I was kind of talking myself through the whole thing.
Thanks,
Darryl