In the process of jewelry casting, flash and burrs attached to parting surfaces or hole edges are like rough "excrescences" that compromise the dimensional accuracy and surface quality of castings. These excess thin metal residues on casting edges are invisible profit drains—they not only lead to high rework costs but also cause mass production issues or even batch scrapping, becoming a fatal blow to customer trust. As a craftsmanship-focused factory with over 20 years of experience in precision jewelry ···...