The Underlying Logic of CNC Lathes: From Code to Motion
Release time：2026-03-18
1. Digitization of Processing Information (Code Generation)
- G-code defines the tool path;
- M-code controls auxiliary functions such as the spindle and cooling.
- The S/F/T code sets the spindle speed, feed rate, and tool parameters.
- The code is ultimately固化 into digital instructions that define the machining intent.
2. Program Input and Preprocessing
- Complete the coordinate system transformation;
- Optimize toolpaths and eliminate redundancy;
- Match device hardware capabilities to ensure secure operation.
3. Instruction Parsing and Motion Calculation
- Calculate the tool path based on G-code;
- Parse the M/S/F/T code and convert it into control signals;
- Determine the timing logic for each action.
4. Signal Conversion and Servo Drive
- The feed-axis servo drives the tool for precise movement;
- The spindle servo controls the workpiece rotational speed and is tightly coordinated with tool feed.
- This is the critical step in converting “digital instructions” into “mechanical actions.”
5. Closed-Loop Feedback and Error Compensation
- Immediately make fine adjustments for compensation upon detecting deviations;
- Correct for the effects of thermal deformation, tool wear, and other factors;
- Ensure that motion accuracy remains consistently stable.
6. Coordination of Action Execution and Timing
- Rough machining emphasizes efficiency;
- Fine machining emphasizes precision;
- Coolant supply, start-stop functions, and other auxiliary operations are precisely synchronized with the cutting operation.
- Ultimately achieving continuous, automated, high-precision machining.
Summary
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