There are hundreds of CAD packages available, each with different capabilities depending on which industry you’re interested in. If you’re already sorted with CAD/CAM software, or you’re just hunting for the best control software, skip straight to step 3! Step 1: CAD SoftwareĬomputer Aided Design software is the starting point for most CNC projects-this software is used to create your designs and vectors. We have discussed both possibilities below. Or, you might want to skip the CAD step altogether by using free DXFs. For example, you might find yourself using software that integrates both CAD/CAM capabilities. Of course, there are exceptions to the above process. The process then ends with CNC control software which will read your G-code and turn it into motion to run your CNC machine. Once you have your vector, you will need to convert it to G-code which is a programming language that directs your machine. Alternatively, you can use software like Scan2CAD to convert a raster design to a vector. You can create your designs and vectors with CAD software.
A vector is a set of mathematical instructions that will dictate how your image is rendered-the most popular vector file format is DXF. To begin, you first need a design in a vector file format (unless you already have the G-code).
Typically, there’s a three step process to CNC that involves three corresponding types of software. It also controls the speed at which it rotates and the rate at which it moves. It controls its position and depth on the X, Y and Z axes. G-code controls the movement of your CNC machine’s tool. Your CNC machine runs on a series of pre-programmed commands. The most common programming language is called G-code, though other languages like Heidenhain and Mazak exist for CNC. For a better look, check out Scan2CAD’s comparison of CNC machines. CNC can be described as a type of subtractive manufacturing and a process such as 3D printing can be described additive manufacturing.Įxamples of CNC machines include mills, routers, plasma cutters and laser etchers. CNC machines work by removing material from the initial piece, as opposed to adding new material to it (such as in 3D printing. If you didn’t already know, CNC stands for Computer Numeric Control.
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