Germany OBE company 0.028 grams of metal injection molding glasses components
for EPMA Innovation Award
In the 2010 World Conference on powder metallurgy, Germany OBE company obtained 2010EPMA "parts" Innovation Award, award winning parts for a described as revolutionary locking device for spectacle spring hinge.
The metal injection molding parts, small volume, 316L material, weight 0.028 grams. Despite their small size, yield is high, annual output of more than 4000000. Parts made in a 32 cavity mold.
The locking device is the most sensitive frame spring hinge of glasses, the site is highly wear level, need to use hard, corrosion resistant material. But the spring with a diameter of 0.56 mm connection, requires a high degree of accuracy.