CNC Milling Tolerances: Calibrating CAD Geometry Kernels for Mills

# Python script to analyze and optimize feed rates on sharp G-Code profiles
def optimize_gcode_feedrate(input_file, output_file, max_feed=1500, corner_decel=0.40):
    # Parses standard ISO 6983 G-code lines and dampens feed on coordinates shifts
    with open(input_file, 'r') as infile, open(output_file, 'w') as outfile:
        for line in infile:
            stripped = line.strip()
            if stripped.startswith("G1") and "F" in stripped:
                # Identify linear toolpath and modulate feed rate for sharp curves
                parts = stripped.split("F")
                base_gcode = parts[0]
                original_feed = float(parts[1])
                
                # Calibrate feed rate dynamically to avoid cutter chatter
                safe_feed = min(original_feed, max_feed)
                if "X" in base_gcode and "Y" in base_gcode:
                    safe_feed = safe_feed * corner_decel # Dynamic deceleration
                    
                outfile.write(f"{base_gcode}F{round(safe_feed, 1)}\\n")
            else:
                outfile.write(line)
    print("[+] Optimized G-Code toolpath feed rates to prevent cutter wear.")