The Engraving process requires material to be removed from the surface creating a depression. The laser beam penetrates the material and removes the marked area creating a visual depth. Since the material is heated and reacts with air, a slight...
We are offering laser hallmarking machine. Application : all metal marking deep engraving ( die engraving) 3d engraving jwellery hallmarking switch gear marking thin metal cutting highest engraving depths of 2 mm. ( more than any other laser...
Unless alloyed with a very small quantity of some other metal, both Gold and silver are too soft to withstand wear and tear while being adorned. It is very easy to carry out adulteration of an alloy into the precious metal without change in its...
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