Product Description: 90kW Medium Frequency Induction Heating Furnace
Our Medium Frequency Induction Heating Furnace operates within a frequency range of 1-20 kHz and power levels spanning from 15 to 160 kW. Thanks to its low frequency, it is especially suitable for applications requiring deep heating or thorough thermal penetration, such as hot forging of bars, melting of metal materials under 200 KG, thermal fitting, overall tempering of molds, and pre-heating before welding.
The 90kW Medium Frequency Induction Heating Furnace is designed to meet your industrial heating needs with precision and efficiency. This Furnace features a robust set of technical parameters tailored for high-performance heating applications.
Key Specifications:
- Input Power:90 kW
- Oscillation Frequency:Adjustable between 1-20 kHz, according to the heating requirements of your workpiece
- Output Voltage:Ranges from 70 to 550V
- Input Power Supply:Three-phase, 380V, at 50 or 60 Hz
- Load Continuity Rate:100% for 24 hours, ensuring continuous operation
- Dimensions (CM):75 (L) x 40 (W) x 87 (H)
- Weight:57 kg
- Input Power Requirement:90 kVA
- Input Power Cable Specification:50mm² flexible copper cable, with a grounding wire of 6mm² flexible copper
- Air Supply Requirements for Input Power:3×225A
- Cooling Water Requirements for Medium Frequency Furnace:≥0.2 Mpa and ≥20 L/min
- Cooling Water Requirements for Medium Frequency Power Supply:≥0.2 Mpa and ≥6 L/min
- Water Circuit Design:One inlet and three outlets
- Inlet/Outlet Water Pipe Specifications:
– Inlet pipe inner diameter: 25mm
– Outlet pipe inner diameter: 13mm
– Valve pipe inner diameter: 25mm
- Boost Pump:One unit with a power of 1.5 kW, lift capacity of 30-50 meters, paired with a 15 cubic meter water tank
Advantages of the Medium Frequency Heating Power Supply:
Equipped with advanced full solid-state IGBT frequency conversion technology and power modulation, our Furnace boasts comprehensive protective features including over-current, under-water, over-temperature, over-voltage, short-circuit, and phase loss protections. These enhancements not only increase reliability but also simplify maintenance tasks.
The device includes multiple display functions for frequency, current, voltage, and power, providing clear visibility into operational status, and facilitating design adjustments for the induction coil and capacitance. Our SWI series medium frequency Furnace is compact and lightweight, saving customers up to ten times the production space compared to conventional thyristor-based medium frequency power supplies.
Designed for 100% full-load operation, our Furnace is capable of running continuously for 24 hours, offering high efficiency and energy savings across the entire power range with excellent power factor and supply efficiency.
Capture the benefits of advanced technology with our 90kW Medium Frequency Induction Heating Furnace—your reliable solution for all industrial heating requirements. Please feel free to consult for any additional questions or specifics related to your requirements for the 90kW Medium Frequency Induction Heating Furnace!and Sinowin industry not only a supplier but a reliable partner to assist you the safe solutions of the heat treatment .
Main parameters of power supply for medium-frequency smelting furnace:
| Model | SWI—15 | SWI—25 | SWI—35 | SWI—45 | SWI—70 | SWI—90 | SWI—110 | SWI—160 |
| Input power | 15KVA | 25KVA | 35KVA | 45KVA | 70KVA | 90KVA | 110KVA | 160KVA |
| Output current | 3～22A | 5～45A | 10～70A | 15～95A | 20～130A | 25～170A | 30～200A | 30～250A |
| Output voltage | 70～520V | 70～550V | 70～550V | 70～550V | 70～550V | 70～550V | 70～550V | 70～550V |
| Power supply | Three-phase 380V ± 20% 50 or 60 HZ | |||||||
| Output oscillation frequency | 1 KHZ ~ 20 KHZ according to the customer work-piece heating requirements | |||||||
| Cyclic duration factor | 100% 24 hours, continuous work | |||||||
| Power weight | 28KG | 30KG | 40KG | 50KG | 60KG | 80KG | 100KG | 122KG |
| Power supply volume (width, height and length) CM | 27×45×46 | 27×45×52 | 35×55×65 | 50×88×75 | 50×88×75 | |||
| Complete set of cooling water requirements of the Medium-frequency induction furnace | ≥0.2Mpa ≥6L/Min | ≥0.3Mpa ≥10L/Min | ≥0.3Mpa ≥20L/Min | ≥0.3Mpa ≥25L/Min | ||||
| Requirements for cooling water of medium-frequency power supply | ≥0.2Mpa ≥3L/Min | ≥0.2Mpa ≥4L/Min | ≥0.2Mpa ≥6L/Min | ≥0.2Mpa ≥6L/Min | ||||
| Power waterway | One Water Inlet; One Water Outlet | One Water Inlet; Three Water Outlet | ||||||
Specification and heating capacity of the Intermediate Frequency Induction Smelting Furnace:
| Specifications | Steel, iron | Gold, silver, copper, and tin | Aluminum, aluminum alloy | Input voltage | Input power |
| SWI-15 Smelting Furnace | 2kg | 10kg | 3kg | 380v | 15kw |
| SWI-25 Smelting Furnace | 4kg | 20kg | 6kg | 380v | 25kw |
| SWI-35 Smelting Furnace | 8kg | 40kg | 10kg | 380v | 35kw |
| SWI-45 Smelting Furnace | 12kg | 50kg | 20kg | 380v | 45kw |
| SWI-70 Smelting Furnace | 25kg | 100kg | 30kg | 380v | 70kw |
| SWI-90 Smelting Furnace | 40kg | 120kg | 50kg | 380v | 90kw |
| SWI-110 Smelting Furnace | 50kg | 150kg | 80kg | 380v | 110kw |
| SWI-160 Smelting Furnace | 70kg | 250kg | 200kg | 380v | 160kw |
| Note | The heating capacity of each type of smelting furnace is listed in the table below. When the furnace is cold, the smelting time for each furnace is 50 to 60 minutes. When the furnace is hot, the smelting time for each furnace is 20 to 30 minutes. | ||||
