
- Knowledge Articles
Laser Welding Pulse Shaping Square A universal wave form where the set energy is delivered for the set time, ideal for all types of…
What is Shrinkage Porosity? Shrinkage porosity refers to irregular cavities formed in metal as it shrinks while solidifying, that is a common occurrence in jewelry…
Understanding Jewelry Spots Spots in jewelry are foreign particles that become embedded in the surface of a piece, resulting in visible defects. These spots consist…
What is Gas Porosity? Gas porosity manifests as small, round holes under the surface of cast metal. These holes are typically smooth and uniform, contrasting…
Understanding Metal Flow in Jewelry Casting The properties of liquid metal significantly influence its behavior during the casting process. Factors such as alloy composition and…
What is Electro Polishing? Electro Polishing is a highly precise process for surface treatment of metallic workpieces using an external power source. In this electrochemical…
What is Firestain? Fire Stain is a common discoloration defect found in sterling silver (Ag925) jewelry. This issue arises when the copper content in the…
Understanding Metal Casting Cracks Cracks in metal casting can happen from multiple reasons, including brittleness, impurities, and shrinkage. Understanding the causes of cracks in metal…