The casting method affects metal density, detail reproduction, and quality. Understand the techniques used in modern jewelry manufacturing.
Lost-Wax Casting: The Classic
The oldest and most reliable method. A wax model is encased in investment plaster, burned out to create a cavity, and molten metal is poured in. Produces excellent detail and is suitable for all metals.
Casting Methods Compared
TABLE:
| Method | Principle | Best For | Quality |
|---|---|---|---|
| Lost-Wax Pour | Gravity pour | Simple pieces | Good |
| Centrifugal | Centrifugal force | Intricate designs | Excellent |
| Vacuum | Vacuum suction | Large pieces | Very Good |
| Die Casting | Steel die | Mass production | Good |
Centrifugal Casting at Holycome
We use centrifugal casting for most bespoke pieces. The machine spins the flask at high speed, forcing molten metal into every detail of the mold. This produces denser castings with fewer porosity issues and sharper detail.
Metal-Specific Considerations
Different metals require different casting temperatures and techniques. Silver casts at 960°C, gold at 1,064°C, platinum at 1,770°C. Platinum requires special crucibles and vacuum assistance due to its high melting point and reactivity.
Frequently Asked Questions
Does casting affect stone setting?
Poor casting with porosity can weaken prongs and lead to stone loss. Our centrifugal casting minimizes porosity for stronger settings.
Can you cast in multiple metals?
Yes. We cast in silver, 10K/14K/18K gold (white/yellow/rose), and platinum. Two-tone pieces require separate casting and assembly.
Conclusion
Proper casting is the foundation of quality jewelry. Holycome uses centrifugal casting for dense, detailed results in every metal. Contact service@holycome.com to learn about our manufacturing capabilities.
