VPC Series Vacuum Pressure Casting Machine for Jewellery

Short Description:

Pressure over Vacuum Casting Machines

VPC is a family of pressure over vacuum casting machines designed to meet the more severe needs in lost wax casting production of gold, K-gold, copper, bronze, alloys. They are often used in connection to a 3d printer for direct casting to get the first metal parts of complex objects.

This family of machines works with a new, revolutionary double chamber concept. This innovative system gives several advantages compared with the traditional single chamber suction system currently available in the market.
In VPC, melting chamber and flask chamber are completely indipendent: while casting, the machine can control the metal injection into the mold by applying a differential pressure during pouring. This yields to a faster injection compared to the simply gravity pouring with the benefit to cast items at lower temperature. This will result in better surface finishing and reduced shrinkage of the cast parts.

The casting cycle takes only few minutes and, while the previous flask is cooling down in protective gas for no oxidation, the next charge can be loaded into the crucible and melted, thus overlapping two cycles for no time waste.

The machine is fully automatic, featuring a PC based monitoring system for process parameters acquisition and production data management, with easy editing of casting programs suitable for many kind of alloy.

This revolutionary machine is the synthesis of the most advanced engineering and years of experience in casting that only Hasung will bring in your factory.



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Hasung Precious Metals Equipment Advantages

Hasung VC series vacuum pressure casting machines reach from small to large capacities, from semi-automatic systems to solutions for a fully automatic casting production. A lot of special features enable you to optimize each casting according to its individual characteristics. Generally, for gold silver jewellery casting purpose, the smallest capacity is from 1kg, 2kg, 3kg, 4kg up to 8kg, to maximum capacity such as 20kg or 30kg.

Automatic vacuum and overpressure in the upper melting chamber and down flask chamber

When switch on "Cast", Vacuum and inert gas in the melting chamber provides the degassing of the alloy and avoids undesired oxidation during melting. Vacuum in the down flask chamber during casting improves the form filling when casting filigree parts and avoids air inclusions. Before metal pouring, vacuum and inert flowing into down flask chamber for cleaning which guarantees smooth casting metals.

Why Do You Choose Hasung Vacuum Pressure Casting Machine?

Hasung vacuum Casting machines compare to other companies

1. After mode without oxidation
2. Variable heat for gold loss
3. Extra mixing for good segregation of gold
4. Good melting speed
5. Easy for cleaning dust effecting by plaster mould
6. Easy to maintain
7. Accurate pressure timing
8. Self diagnosis – P.I.D auto tuning
9. Easy operation with only one button "CAST " to finish casting job.

Hasung the original parts are from well-known domestic Japan and German brands.

Technical Parameters

Voltage 220V, 50/60Hz single phase 220V/380V, 50/60Hz 3 phaese 380V, 50/60Hz 3 phases
Power 5KW 5KW/8KW   15KW
Max Temp 1500°C
Melting Time 2-3  min. 3-5 min. 3-6 min. 3-5 min.
Inert Gas Argon / Nitrogen
Pressure 10-300Kpa (Adjustable)
Temp Accuracy ±1°C
Capacity (Gold) 1kg 2kg 4kg 8kg
Max. Flask size  4"x10"    /     5"x12" 5"x12"/6.3"x12" 6.3"x12"/8.6"x13"/10"x13"
Vacuum Pump High quality vacuum pump/German vacuum pump, vacuum degree - 100KPA (optional)
Application Gold, K gold, silver, copper and other alloys
Operation method One-key operation to complete the entire process, POKA YOKE foolproof system
Cooling type Water chiller(sold separately) or Running water
Dimensions 680*880*1530mm
Weight approx. 150kg approx. 150kg approx. 200kg approx. 250kg

Casting samples

hasung casting machine (1)

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    The full jewellery production line includes:

    1. 3D printer

    2. Vulcanizer

    3. Wax injector

    4. Burnout oven

    5. Vacuum pressure casting machine

    6. Cleaning

    7. Polishing


    Nowadays, most of jewellery factories love to have full automatic casting systems which saves a lot of labour costs and increases production efficiency. At Hasung, we provide you full jewelry casting solutions at the highest quality products assured from China.


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    Vacuum pressure casting machine consumables:

    1. Graphite crucible

    2. Ceramic gasket

    3. Ceramic jacket

    4. Graphite stopper

    5. Thermocouple

    6. Heating coil