High-precision and Complex Geometry Helical Drilling by Adapted Energy Deposition

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The book explores the advancements in helical drilling technology utilizing ultrashort pulsed lasers, emphasizing the improved precision achieved through a layer-by-layer ablation strategy. It details the implementation of dynamic helical drilling processes with tailored energy deposition, resulting in a fourfold increase in process efficiency and achieving an impressive hole aspect ratio of 50:1 in 3 mm stainless steel. The work highlights the significant enhancements in drilling performance, complexity, and productivity.