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Fusus New Heavy Duty

Low frequency Vacuum induction centrifugal casting machine. Casting chamber under full vacuum with appropriate inert gas protection (argon or nitrogen). Vacuum removes gases from the invested flask minimizing or eliminating gas porosity and radically enhances crucible life, argon or nitrogen gas prevents oxidation of gold alloys. The higher standard construction makes it suitable for Heavy Duty applications .

Accurate Computer-controlled PID adjusts power as set temperature is approached assuring accuracy and eliminating overshoot.

Dynamic double-swing arm for straight and smooth entry of molten metal into the center of the flask, produces high quality dense castings.

It guarantees repeatability of the results.

Product Description

Casting chamber under full vacuum with appropriate inert gas protection (argon or nitrogen). Vacuum removes gases from the invested flask minimizing or eliminating gas porosity and radically enhances crucible life, argon or nitrogen gas prevents oxidation of gold alloys.

Medium-frequency induction melting with self-stirring effect to ensure absolute homogeneity from the top to the bottom of the cast tree.

Fusus New HD incorporates the system features and the latest process control technology for high-production casting of both platinum and gold with extremely fast cycle times (just about 60 seconds for platinum and 3 minutes for gold).

Fully automatic and semiautomatic cycles. In the automatic cycle, operator sets new casting parameters or choose a program stored in memory, then push one button to initiate the complete casting cycle. In the semi-automatic cycle, when temperature reaches the set point, operator can watch the melt and push the casting button to start the centrifugal arm when the metal is considered ready.

All casting parameters are programmable and can be stored in memory, including precise controlled metal temperature, r.p.m. of the centrifugal arm, acceleration, vacuum and gas pressure.

All functions are controlled by a full-color touch-screen computer mounted on an articulated box that can be easily positioned for the operator convenience.

Two temperature control systems: immersion thermocouple for gold up to 1450°C (2640 °F) and infrared optical pyrometer for platinum up to 2100 °C (3800 °F) ± 2%.

Optional Dual-Color Optical pyrometer available for maximum temperature accuracy of platinum up to 2100°C (3800 °F) ± 1%. This optical pyrometer is designed for precise platinum temperature measurement and indispensable for the automatic casting cycle.

Standard 60 cubic meter vacuum pump. On request 100 cubic meter vacuum pump (optional).

Includes one crucible kit (gold or platinum) and flask cradle (flask size on customer’s request).

Additional Information

Alimentazione / Electrical

Trifase 230/400 V – 50 Hz (disponibili altri voltaggi) – 10 kW / Threephase 230/400 V – 50 Hz (other voltages available) – 10 kW

Crogioli / Crucibles

Au/Ag – A100.434 (120cc) Graphite
Pt – A100.512 – A100.496 (20cc) Ceramic
Steel/Pd – A100.578 (75cc) Silicon Carbide

Temperature control system

– termocoppia ad immersione tipo ‘S’ fino a 1450°C (2640 °F) per oro e argento
– pirometro ottico con sonda a raggi infrarossi fino a 2,100°C (3,800°F) ± 2% per il platino;
– (optional) pirometro ottico bicolore a fibre ottiche fino a 2,100°C (3,800°F) ± 1% per il platino;
– immersion thermocouple type ‘S’ up to 1450°C (2640 °F) for gold and silver
– infrared optical pyrometer for platinum up to 2,100 °C (3,800 °F) ± 2%;
– (Optional) state-of-the-art Dual-Color Optical Controller available for maximum temperature accuracy of platinum up to 2,100°C (3,800 °F) ± 1%.

Misura massima del Cilindro / Max.Flask Size

Ø min. 80 mm – Ø max 120 mm
h min. 100 mm – h max. 160 mm

Aria Compressa / Air Requirement

6 bar

Raffreddamento / Water Requirement

ad acqua 3 litri/minuto collegato direttamente alla rete idrica o ad un refrigeratore / 3 liters/minute connected to the water network or to a ‘chiller’

Gas Inerte / Inert Gas Requirement

Elio, Argon, Azoto / Helium, Argon, Nitrogen

Pompa a Vuoto / Vacuum pump

60 o 100 m³/ora (venduta separatamente) / 60 or 100 m³/hour (sold separately)

Peso Netto/Lordo / Net/Ship Wt.

280 / 355 Kg

Dimensioni / Dimensions

base mm 850 x mm 1050 – alt. mm 1300 (pirometro ottico incluso) / 850 mm d x 1050 mm w. 1300 mm h (including optical pyrometer)

Garanzia / Guarantee

12 mesi / 12 months

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