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).