Running simulations instead of cutting a piece over and over saves on tool wear, machining time, and material.īantam Tools Desktop Milling Machine Software, the motion-control program for the milling machine, can create the CAM for circuit board files in EAGLE. Some CAM programs can also create on-screen simulations of how the machine will cut the material with the tool you’ve chosen.
These movement calculations, called toolpaths, are automatically generated for maximum efficiency by the CAM program. Even though you’ve done all your CAD and know what you want your part to look like, the milling machine doesn’t know what size or shape of milling tool you want to use or the specifics of your material size or type.ĬAM programs use the model you created in CAD to calculate the movement of the tool through the material. Once the object you want to make is finalized in CAD, you can import it into your CAM program.ĬAM programs allow you to select tools, materials, and other variables for your cutting job. The coffee pot was made by creating and modifying shapes in the CAD program, similar to how you might create an image in a graphics program such as Illustrator or Inkscape. CAD (computer-aided design) and CAM (computer-aided manufacturing/machining) refer to programs you can use to design and mill objects on the Bantam Tools Desktop PCB Milling Machine.ĬAD programs provide the design tools necessary to create two- and three-dimensional (2D and 3D) renderings of the object you will eventually cut (the “model”) on the milling machine.įor example, here’s a CAD model for a coffee pot, designed in Autodesk Fusion 360:
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