Once verified, the blades are carefully packaged to protect the ultra-fine edge. This grinding phase defines the cutting angle and the sharpness of the blade, with automated systems ensuring each edge is beveled perfectly to achieve optimal performance without weakness.
Innovations in Razor Blade Technology: Smoother, Sharper, and More Durable Blades
To improve corrosion resistance and create a smoother glide, they undergo a polishing process. The shaped blades are heated to a specific temperature in a controlled furnace, then rapidly cooled, or quenched, in oil or water.
This machine applies immense pressure to reduce the steel's thickness dramatically, transforming the coil into a long, thin strip. Using rotating buffing wheels with fine abrasives, the blades are polished to a high sheen, removing microscopic imperfections.
Innovations in Razor Blade Manufacturing and Technology
This relieves internal stress, preventing brittleness while maintaining the hardness required for a durable, sharp edge that can withstand repeated use. Following the cut, the edges are meticulously ground.
More About How razor blades are made
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