Application Note Objective:
The objective isto melt platinum with UltraMelt 5P induction melting furnace for the production of platinum bars.
Equipment:
Platinum is a challenging metal to melt due to its high melting temperature, but with UltraMelt 5P this can be done quickly, easily, and efficiently. The system can also be used for the melting of most precious and non-precious metals and alloys.
Process:
Twomeltingtestswerecarriedout–onewithscrappiecesandonewithingots.
Approximately250g ofPlatinumwasplacedintoaceramiccruciblefor heating. Duringthe testwithplatinumscrap,atemperatureofover3200°F (1768°C)wasreachedatthepowerof3.9 – 4.8kW.Ittook4.5minstomelttheplatinumscrap. Forthesecondtest,thesametemperaturewasreachedatloweredpower–3.0– 4.0kW.Ittook4minutesand10secstomelt250 gofsolidplatinum.
Once the induction melting furnace was switched on, the application engineer tapped lightly onto
thecrucible tohelpheatdistributionthroughoutthematerial. Acaporalidwasplacedonthecrucibletominimizeheatloss.
