Review of semiconductor laser diode technologies for sustainable energy in leather machining

Efficient and eco-friendly leather manufacturing is crucial for industries such as fashion, automotive, and other related sectors. The traditional leather cutting techniques like manual cutting, rotary cutting, and die pressing have served for centuries, they often suffer from sluggishness, labour intensiveness, and lack of precision. Modern techniques like water jet, ultrasonic, and especially laser cutting offer superior precision and efficiency. This study comprehensively reviews advancements in semiconductor laser diode technologies for sustainable energy applications in leather machining. This technology enables precise control of cutting processes via pulse-width modulation, significantly minimizing energy usage and mitigating carbonization during leather cutting. The advent of semiconductor laser diode technology offers a promising avenue for sustainable energy adoption in leather machining, fostering cleaner production practices. Further research and development endeavours in this domain are imperative to refine this technology for wider industry adoption, promoting sustainable manufacturing practices in the leather industry.