Here at PDI we designed our CNC milling process to begin with the creation of 3D models for accuracy and feasibility prior to machining. This completed design (either provided to us from our customer or created by our engineers and programmers) is exported to a CNC-compatible file format and converted by CAM software that gets converted into a CNC machine program. This dictates the actions of the machine and the movements of the tooling across the workpiece to create the part
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Before the operator runs the CNC program, they prepare the CNC milling machine by affixing the workpiece to the machine’s work surface (i.e., worktable) or work holding device (e.g., vise), and attaching the milling tools to the machine spindle. The CNC milling process employs horizontal or vertical CNC-enabled milling machines—depending on the specifications and requirements of the milling application—and rotating multi-point (i.e., multi-toothed) cutting tools, such as mills and drills. When the machine is ready, the operator launches the program via the machine interface prompting the machine to execute the milling operation.
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