Without a post processor, manual adjustments to G codes may be needed at the machine. It is a necessary step to translate the CAM codes to the language of the machine. One more step in the communication process is needed to match the codes of the CAM design to the language of the machine.Ī post processor is a piece of software that specifically understands the code, or the language, of your CNC machine, sometimes called NC code. Each machine manufacturer will have a unique language to initiate the G codes into action. The more axes the more intricate and complicated the commands are to result in a harmonious tool path. The commands also control spindle and feed speed and coolant. Motors and drives work in unison to execute the line and arc movements one by one. The initial programming of commands for CNC machines used to happen right at the machine.It should be noted that the CAM software doesn’t control the CNC machine. This plots the tool path to take the raw material to its finished state. These codes can be manually assigned and should be understood by machinists, but CAM software translates exact points from a CAD design into G code. G codes are the language that CNC machines understand. Computer-aided manufacturing (CAM) takes the physical properties of the part and plots those geometries into code for fabrication. This allows for multiple views of the part and can have the size or features altered as needed to translate the concept into a realistic model. This stage of production allows visualization of the finished product and provides physical properties that will be used by the CAM software. Computer-aided drawings (CAD) software builds a 2D or 3D model of a design concept that can be viewed on a computer screen.This communication is key to optimize the CAM software code. There is a translation of language, however, that must be translated between the 3D design and simulation on your CAD system, through the CAM software that applies code, and finally to the machine. The journey between concept and finished product in CNC machining brings to mind designing through CAD/CAM software for a flawless transition.
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