Vacuum Continuous Casting Machine
SuperbMelt vacuum continuous casting machine assists customers in casting high-quality jewelry plates or tubes.
SuperbMelt Vacuum Continuous Casting Machine utilizes its high vacuum pressure to cast high-quality, smooth, and pore-free raw materials for gold, silver, copper, K gold, and other metal jewelry, including sheets, tubes, and rods.
The Vacuum Continuous Casting Machine comes with stirring function, inert gas protection, and vacuum secondary feeding capabilities to prevent metal oxidation, ensuring uniform color in the finished products. This machine can cast 2kg of metal raw material in a single operation and is suitable for jewelry production, semiconductor manufacturing, solder production, and other industries.
- Industry: Jewelry Casting, Precious Metal Processing, University Laboratories, and related fields.
- Metals: Gold, K Gold, Silver, Copper, and their alloys.
| Model number | SPB-HVLS | SPB-HLS |
| Power source | 380V | Single phase 220V, 50/60Hz |
| Power | 15 kw | 15kw |
| Applicable metal | Gold, Silver, Copper, Brass, Bronze, and their alloys | Gold, Silver, Copper, Brass, Bronze, and their alloys |
| Melting time | 5minutes | 5minutes |
| Max capacity | 24K Gold: 1.2 kg 18K Gold: 1.0 kg 925 Silver: 0.6 kg | 24K Gold: 2.4 kg 18K Gold: 2.0 kg 925Silver: 1.2 kg |
| Max temperature | 1600℃ | 1600℃ |
| Temperature control k-type | Optional | Optional |
| Dimension | 2100*1250*1950mm | 900*1150*2000mm |
| Weight | 680kg | 220 kg |
| Heating technology | Induction heating | Induction heating |
| Cooling way | Water cooling | Water cooling |
- High vacuum (6.67×10-4pa), high vacuum melting, high product density, low oxygen content, no pores, suitable for the production of high-quality bonding wire.
- Anti-oxidation, inert gas protection during refining to solve the problem of alloy oxidation.
- Uniform fineness, electromagnetic and physical stirring methods make the alloy more uniformly colored.
- Smooth surface of the finished product, using a bottom-pulling design, the traction wheel undergoes special treatment, resulting in a flat and undamaged finished product with a smooth surface.
- Precise temperature control ±1℃, using imported temperature control meters, intelligent PID temperature control system, temperature difference ±1℃.
- 7-inch full-color touch screen, more convenient for observation/touch, new system, concise UI interface, easy operation with a single touch.
- Multiple protections, multiple safety protections, worry-free use.
Why SuperbMelt Vacuum Continuous Casting Machine



Any Question About SuperbMelt Vacuum Continuous Casting Machine
Any Question About SuperbMelt Vacuum Continuous Casting Machine
Market Guide: Metal Billets Manufacturing, Applications, and the Value of Vacuum Continuous Casting Machine
What to Look for in a Small-Batch Precious Metal Casting Machine
For jewelry manufacturers, laboratories, and small-batch precious metal processors, the key requirements differ from heavy industrial casting lines:
- Purity and Oxidation Control: Gold, silver, and K-gold casting requires oxide-free, pore-free output to maintain consistent color and finish. A vacuum environment (SuperbMelt’s VCCM operates at 6.67×10⁻⁴ Pa) removes trapped gases and prevents surface oxidation during casting.
- Precision at Small Scale: Unlike industrial billet casting (measured in tons per day), jewelry and precious metal applications need tight batch control — SuperbMelt’s VCCM processes up to 2kg per operation with ±1°C temperature accuracy, suitable for producing sheets, tubes, and rods in gold, silver, copper, and K-gold alloys.
- Ease of Operation: A 7-inch touchscreen interface with intelligent PID temperature control makes the machine accessible for jewelry workshops and university research labs, without requiring dedicated industrial engineering staff.
Typical Applications of the Vacuum Continuous Casting Machine
The SuperbMelt VCCM is built for small-batch, high-purity casting of precious metals — primarily serving jewelry manufacturing, precious metal recovery, and research applications where casting quality matters more than daily tonnage.
1. Jewelry Manufacturing
Jewelry workshops use the VCCM to cast gold, silver, and K-gold into sheets, tubes, and rods as the starting material for downstream rolling, wire drawing, and forming processes. The vacuum environment prevents oxidation and gas porosity, ensuring the cast billet has a uniform, defect-free structure — critical because any internal flaw in the billet will show up as a visible defect after rolling or drawing.
Common outputs: Gold/silver sheets for rolling into jewelry blanks; rods for wire drawing into chain and ring stock; tubes for bangle and ring-band production.
Why vacuum matters here: Jewelry-grade metal must maintain consistent color and surface finish — trapped oxygen or gas pockets cause visible discoloration and pitting after polishing.
2. Precious Metal Recovery and Recasting
Refiners and recycling operations use the VCCM to recast recovered gold, silver, and platinum-group scrap into standardized billet forms ready for resale or further processing. Because recovered metal often has variable purity, the machine’s inert gas protection and electromagnetic stirring help ensure a uniform, consistent alloy composition across each 2kg batch.
Common outputs: Standardized ingots or rods from recycled jewelry scrap, sweepings, or refining byproducts.
Why this matters: Buyers of recast precious metal expect consistent purity — batch-to-batch inconsistency is a common cause of rejected shipments in the refining trade.
3. K-Gold and Alloy Development
Jewelry brands and small manufacturers developing custom K-gold alloys (e.g., specific color or hardness formulations) use the VCCM’s precise ±1°C temperature control and stirring function to test and produce small, consistent alloy batches before scaling up production.
Common outputs: Small experimental batches of custom-color K-gold (rose, white, or specialty tones) for R&D and sample production.
Why this matters: Alloy composition directly affects color and workability — precise temperature control ensures repeatable results between test batches.
4. University and Research Lab Use
Metallurgy departments and materials research labs use the VCCM for controlled small-batch casting experiments, where vacuum purity and precise process control matter more than throughput. The compact footprint and intuitive 7-inch touchscreen interface make it practical for lab environments without dedicated industrial engineering support.
Common outputs: Small experimental billets for microstructure analysis, alloy property testing, and student instruction in metal casting fundamentals.
Why this matters: Research applications require precise, repeatable process control to isolate variables — the VCCM’s PID temperature control and vacuum consistency support this.
Core Value Proposition of the Vacuum Continuous Casting Machine
As the core equipment for high-end metal billet production, the VCCM’s value extends across manufacturing, application, and industrial sectors, serving as the crucial link connecting billet manufacturing demands with downstream market applications.
1. Manufacturing Value: Higher Purity, Consistent Small-Batch Output
The VCCM’s core advantage over traditional open-air casting is its vacuum environment, which minimizes contact between molten metal and atmospheric oxygen throughout the casting process. This directly addresses the two most common quality issues in precious metal casting: oxidation and gas porosity.
Compared to traditional open-air casting, the SuperbMelt VCCM offers clear advantages across four key factors:
Oxidation Risk: Traditional open-air casting exposes molten metal to air, creating high oxidation risk. The VCCM operates in a sealed vacuum environment (6.67×10⁻⁴ Pa), minimizing oxidation.
Surface Finish: Traditional casting produces inconsistent surfaces that require more post-processing. The VCCM’s bottom-pulling design delivers a smooth, pore-free surface.
Color Consistency: Traditional casting often results in variable color, especially for K-gold alloys. The VCCM’s electromagnetic and physical stirring ensures uniform color consistency.
Temperature Control: Traditional casting typically relies on manual or basic thermostat control. The VCCM uses an intelligent PID control system for ±1°C precision.
Because oxidation and gas absorption are minimized, castings come out with a more uniform internal structure, reducing the amount of surface defect and rework needed before the material moves to rolling, drawing, or further forming.
2. Efficiency Value: Less Material Waste, Fewer Rejected Batches
For precious metals, even small oxidation losses translate directly into cost. Open-air casting of gold and silver typically loses a measurable percentage of material to oxidation and dross skimming during each casting cycle. The VCCM’s vacuum and inert gas protection significantly reduce this loss, meaning more of your input metal ends up in usable, sellable product rather than being lost to oxide skimmings.
The machine’s 7-inch touchscreen interface and PID-controlled process also reduce the operator skill and attention required to achieve consistent results — an operator doesn’t need to manually judge pour temperature or timing by eye, reducing the rate of rejected or reworked batches.
3. Application Value: Reliable Input Material for Downstream Processing
Whatever the final jewelry product — rolled sheet, drawn wire, or formed tube — quality problems introduced at the casting stage (porosity, oxide inclusions, uneven alloy composition) tend to surface later as visible defects after rolling or polishing, when they’re far more expensive to fix. By producing a cleaner, more consistent billet at the casting stage, the VCCM reduces the defect rate that carries through to finished jewelry pieces, cutting down on scrapped material and rework further down the production line.
For precious metal refiners and recyclers, this same consistency matters for a different reason: buyers of recast metal expect predictable purity and composition batch to batch, and inconsistent recasting is a common cause of rejected shipments in the refining trade.
FAQ Guide of Vacuum Continuous Casting Machine
- 1. What is the continuous casting technique?
- What is a Vacuum Continuous Casting Machine?
- 3. Which metals can be cast using the Vacuum Continuous Casting Machine?
- 4. How does the high vacuum feature benefit the casting process?
- 5. What role does inert gas play in the casting process?
- 6. How is the alloy's fineness ensured in the casting process?
- 7. What is the significance of the bottom-pulling design in surface quality?
- 8. How precise is the temperature control of the Vacuum Continuous Casting Machine?
- 9. What is the role of the 7-inch full-color touch screen in operation?
- 10. In which industries is the Vacuum Continuous Casting Machine commonly used?
- 11. What safety features does the Vacuum Continuous Casting Machine offer?
1. What is the continuous casting technique?
Continuous casting is a manufacturing process used in the metal industry to produce long, continuous lengths of metal with a consistent cross-section. This technique is commonly employed for metals such as steel, aluminum, copper, and other alloys. Here’s an overview of the continuous casting technique:
Mold Filling:
The process begins with the molten metal being poured into a water-cooled mold. The mold is typically made of copper and has the desired cross-sectional shape of the final product.
Solidification:
As the molten metal passes through the mold, it begins to solidify and take the shape of the mold. The outer layer of the metal comes into contact with the cooled mold, forming a solid skin.
Withdrawal from Mold:
The partially solidified metal is continuously withdrawn from the mold. The withdrawal speed is carefully controlled to allow for proper solidification and prevent defects.
Secondary Cooling:
After leaving the mold, the metal continues to cool through a secondary cooling process. This is often achieved using water sprays or other cooling methods to control the temperature gradient and ensure uniform solidification.
Cutting and Coiling:
Once the metal has solidified sufficiently, it is cut into desired lengths or coiled for further processing. Continuous casting can produce long lengths of metal, minimizing the need for subsequent joining processes.
Continuous casting offers several advantages, including:
Cost Efficiency: It eliminates the need for multiple casting and rolling processes, reducing labor and energy costs.
Improved Quality: The continuous process leads to a more uniform and refined microstructure, resulting in improved mechanical properties of the final product.
Reduced Waste: Continuous casting minimizes material waste compared to traditional casting methods, where excess material is often discarded.
Versatility: It is suitable for various metals and alloys, making it a versatile technique in the production of a wide range of products.
Continuous casting is widely used in the production of various metal products, including billets, slabs, blooms, and other semi-finished goods, which can then be further processed into finished products.
2. What is a Vacuum Continuous Casting Machine?
A Vacuum Continuous Casting Machine is a specialized equipment used for casting metals in a continuous process under high vacuum conditions.
3. Which metals can be cast using the Vacuum Continuous Casting Machine?
The machine is designed to cast a variety of metals, including gold, silver, copper, and their alloys like K gold.
4. How does the high vacuum feature benefit the casting process?
The high vacuum (6.67×10-4pa) helps achieve high product density, low oxygen content, and pore-free castings, ideal for producing high-quality bonded wire.
5. What role does inert gas play in the casting process?
Inert gas protection during refining prevents oxidation issues commonly associated with alloy processing.
6. How is the alloy's fineness ensured in the casting process?
The machine employs electromagnetic and physical stirring methods, ensuring a uniform fineness throughout the cast alloy.
7. What is the significance of the bottom-pulling design in surface quality?
The bottom-pulling design, along with specially treated traction wheels, results in a smooth surface on the finished product with no damage.
8. How precise is the temperature control of the Vacuum Continuous Casting Machine?
The machine maintains precise temperature control with an accuracy of ±1℃, using an imported temperature control meter and an intelligent PID temperature control system.
9. What is the role of the 7-inch full-color touch screen in operation?
The 7-inch full-color touch screen provides a convenient interface for observation and operation, featuring a new system and a user-friendly UI.
10. In which industries is the Vacuum Continuous Casting Machine commonly used?
This machine finds application in industries such as jewelry casting, precious metal processing, and university laboratories.
11. What safety features does the Vacuum Continuous Casting Machine offer?
The machine incorporates multiple safety protections, ensuring worry-free and secure operation in various casting processes.


© Copyright 2008-2026 Superb Electromachinery Co., Limited