You also mount and adjust cutting tools, position and clamp the piece, and then set the machining parameters (speed, progress, throughput, lubrication, etc.) You determine the various machining stages and adjustment values (tolerance, position, surface state, etc.) for the workpiece and tool. You then set up the CNC machine and get going (milling). You adjust the tools for positioning and clamping workpieces. You program the machine based on the plan in CNC code.
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