Description

Furnaces for Melting type FIM/NT (Manual Extraction)

• Absolute alloy homogeneity guaranteed by the medium frequency converter
• Reduction of melting losses due to uniform temperature distribution on the melting material. This avoids the ‘skin effect’ typical of high frequency converters
• Better malleability of the alloys allowing for considerable section reductions without annealing
• Possibility to use different types of crucibles including graphite, clay-graphite, silicon carbide, zirconia etc.
• Automatic temperature control by immersion thermocouple or optical pyrometer
• Automatic power control regardless of quantity or type of metal
• Computerised alarm diagnostics available in four languages. Alarm messages appear on the display along with trouble-shooting guide lines.
• Automatic turn-off function for the furnace and cooling plant if not used for a certain amount of time (useful at the end of the working day)
• Pouring can be done by manual extraction of the crucible, tilting by handwheel or hydraulic tilting
• A closed cycle deionization system for cooling water is available as a standard feature on larger furnaces. This system greatly reduces maintenance operations on these plants.

TECHNICAL DATA	FIM / 5NT	FIM / 7nt	FIM / 10NT	FIM / 12NT
Power supply	Three-phase	Three-phase	Three-phase	Three-phase
Absorbed power	5.5 kW	7 kW	10 kW	12 kW
Power output	5.1 kW	6.5 kW	9.5 kW	11.4 kW
Useful capacity of graphite crucible (kg Au 18 kt)	4.5	6.5	10	13
Useful capacity of silicon carbide crucible (kg Au 18 kt)	4	–	10	–
Melting time at max load (minutes) from cold	15	15	15	15
Temperature measurement	T/O	T/O	T/O	T/O
Required cooling power (frig/h)	1700	2500	3800	4500
Chiller for 8 hours working	FRIDGE 10	FRIDGE 15	FRIDGE 15	FRIDGE 20
Minimum flow rate @25 °C (l/min)	6	15	20	20
Overall Dimensions (mm)	485x510x915	485x510x915	485x510x915	485x510x915
Weight	190 Kg	190 Kg	216 Kg	216 Kg

 

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