Henan IRIS Electromechanical Equipment Co., Ltd.
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1T Aluminum Die Casting Smelting Furnace Industrial Metal Melting Furnace
Induction melting furnace feature:
No core is provided in the coreless induction furnace. A crucible of more convenient shape can be employed.
In this case, also the charge to be melted is made the secondary of the transformer. The primary is wound over the crucible itself. The eddy currents produced in the charge not only heat it up but also account for the stirring action. It is the basic coreless induction furnace principle.
Iron laminations are provided outside the primary winding to create a low reluctance path for flux and also contain the stray field which may otherwise induce the heavy current in supporting steel structure.
The frequency employed depends upon the size of the coreless induction furnace. For lower capacities of furnaces higher frequency of the order of 3000Hz are employed whereas for higher capacities frequencies are down to 600Hz. To reduce copper losses, hollow copper tubes are used in which cold water is circulated.
The operating power factor of such furnaces is very low (between 0.1 and 0.3). Therefore, static capacitors are used to improve the power factor of the installation.
Since the power factor does not remain constant during the operation of the furnace, the capacitance in the circuit during heat cycle is varied to maintain power factor approximately unity.
The coreless induction furnace is chiefly used for melting of steel and other ferrous metals. The capacities available vary from 250kg to about 20 tons. The initial cost is more as compared to arc furnace.
Technical parameter of the 1T Aluminum Die Casting Smelting Furnace Industrial Metal Melting Furnace
| Model | KGPS-300 | KGPS-500 | KGPS-1200 | KGPS-1400 | KGPS-2000 | KGPS-4500 |
| Rated power | 300KW | 500KW | 1200KW | 1400KW | 2000KW | 4500KW |
| Rated capacity | 350kg | 750kg | 1500kg | 2000kg | 3000kg | 6000kg |
| Matching transformer’s capacity | 315KVA | 630KVA | 1250KVA | 1800KVA | 2500KVA | 5500KVA |
| Input voltage | 380V 50-60HZ | 750V 50HZ | 750V 50HZ | 6x750V 50HZ | 6x750V 50HZ | |
| MF frequency | 1000HZ | 1000HZ | 800HZ | 500HZ | 500HZ | 300HZ |
| MF voltage | 750V | 750V | 1400V | 1480V | 1460V | 4800V |
| DC voltage | 500V | 500V | 990V | 990V | 990V | 1350V |
| DC current | 600A | 1000A | 1000A | 1410A | 1010A | 3300A |
| Maximum temperature | 1800℃ | |||||
1T Aluminum Die Casting Smelting Furnace Industrial Metal Melting Furnace