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In conclusion, CNC shot peening is a vital, precision-driven manufacturing process that directly combats the primary cause of metal component failure: fatigue. By meticulously inducing a deep, uniform layer of beneficial compressive residual stress via computer-controlled accuracy, it fundamentally strengthens parts at their most vulnerable points. The transition from manual to CNC-controlled shot peening guarantees the consistency and repeatability required for mission-critical applications in aerospace, automotive, and beyond. It is not merely a surface treatment, but a strategic engineering investment that transforms standard metal components into highly resilient, longer-lasting parts, ensuring reliability and pushing the boundaries of performance and safety.