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Super audio frequency induction heating machine is an industrial induction heating system designed for efficient heating and heat treatment of electrically conductive metals. The terminology is not completely standardized across manufacturers. Some manufacturers use “super audio frequency” to describe induction heating equipment operating in the tens of kilohertz, while others use terms such as ultrasonic or supersonic frequency for similar products. For this reason, buyers should always check the actual operating frequency, output power, heating depth, and technical specifications instead of relying only on the equipment name. Super audio frequency induction heating machines can be used for forging, hardening, annealing, tempering, preheating, shrink fitting, and other metal heating processes.
| Items | LSW-16 | LSW-30 | LSW-50 | LSW-60 | LSW-80 | LSW-120 | LSW-160 | LSW-200 | LSW-300 |
| Working voltage | 220V, 50/60HZ | 380V, 50/60HZ | 380V, 50/60HZ | 380V, 50/60HZ | 380V, 50/60HZ | 380V, 50/60HZ | 380V, 50/60HZ | 380V, 50/60HZ | 380V, 50/60HZ |
| Voltage range | – | – | 340-420V | 340-420V | 340-420V | 340-420V | 340-420V | 340-420V | 340-420V |
| Max input current | 30A | 45A | 75A | 90A | 130A | 180A | 240A | 320A | 480A |
| Max input power | 16KW | 30KW | 50KW | 60KW | 80KW | 120KW | 160KW | 200KW | 300KW |
| Oscillation frequency | 28-40KHZ | 25-40KHZ | 18-35KHZ | 18-35KHZ | 18-35KHZ | 18-35KHZ | 18-23KHZ | 10-20KHZ | 10-20KHZ |
| Duty cycle | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| Cooling water flow | 20L/Min, 0.15-0.2MPa | 25L/Min, 0.15-0.2MPa | 32L/Min, 0.1MPa | – | – | – | – | – | – |
| Cooling water flow (Power supply cabinet / control part) | – | – | – | 28L/Min, 0.15MPa | 30L/Min, 0.15MPa | 45L/Min, 0.2MPa | 50L/Min, 0.2MPa | 50L/Min, 0.2MPa | 70L/Min, 0.2MPa |
| Cooling water flow (Transformer cabinet / transfer part) | – | – | – | 30L/Min, 0.15MPa | 40L/Min, 0.15MPa | 55L/Min, 0.2MPa | 60L/Min, 0.2MPa | 60L/Min, 0.2MPa | 80L/Min, 0.2MPa |
| Weight | 25kg | 48kg | 120kg | – | – | – | – | – | – |
| Weight (Power supply cabinet / control part) | – | – | – | 65kg | 85kg | 105kg | 110kg | 180kg | 190kg |
| Weight (Transformer cabinet / transfer part) | – | – | – | 85kg | 100kg | 125kg | 150kg | 200kg | 350kg |
| Dimension (L x W x H) | 420x200x360mm | 690x290x600mm | 550x650x1260mm | – | – | – | – | – | – |
| Dimension (Power supply cabinet / control part) (L x W x H) | – | – | – | 730x550x1030mm | 600x480x1360mm | 600x480x1360mm | 600x480x1360mm | 1070x640x1870mm | 1070x640x1870mm |
| Dimension (Transformer cabinet / transfer part) (L x W x H) | – | – | – | 460x730x460mm | 800x500x580mm | 800x500x580mm | 800x500x580mm | 870x530x600mm | 1020x530x690mm |
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The operating frequency depends on the equipment design and manufacturer. Some industrial systems described as super audio or ultrasonic frequency induction heating equipment operate in the tens of kilohertz. The actual frequency should be selected according to material, workpiece size, heating depth, target temperature, and production requirements.
Super audio frequency induction heating can be used for metal forging, hardening, annealing, tempering, preheating, shrink fitting, and other industrial heating processes. The appropriate application depends on the machine’s frequency, power, coil configuration, workpiece material, and required heating characteristics.
Yes. Super audio frequency induction heating equipment can be used for induction hardening of suitable metal components such as shafts, gears, sprockets, pins, and other machine parts. The heating parameters and quenching process must be matched to the material and required hardness depth.
Yes. Super audio frequency induction heating equipment can be used to preheat suitable steel bars, rods, fasteners, and other metal components before forging. The required machine power depends on the workpiece material, dimensions, target temperature, heating time, and production capacity.
Yes. Steel is a common material for induction heating applications. Super audio frequency equipment can be configured for steel shafts, gears, bars, pipes, fasteners, and other components. The actual heating process should be optimized according to the steel grade and workpiece geometry.
Yes. Suitable stainless steel components can be heated using induction. Because stainless steel includes many grades with different properties, the appropriate frequency, power, coil design, and heating time should be determined according to the actual material and workpiece.
The primary difference is the operating frequency and resulting heating characteristics. Medium frequency systems are commonly used for deeper heating and larger workpieces, while super audio frequency systems may provide a different balance between heating depth and heating concentration. Actual specifications vary among manufacturers.
High frequency induction heating generally concentrates heating closer to the surface and is commonly used for brazing, soldering, surface hardening, and localized heating. Super audio frequency equipment generally operates at a lower frequency than many high-frequency systems and may provide greater penetration for suitable workpieces.
Provide the supplier with the workpiece material, dimensions, weight, target temperature, required heating depth, heating time, production capacity, and intended application. These parameters allow the supplier to determine an appropriate frequency, power range, coil configuration, cooling system, and automation solution.
Power requirements depend on material, workpiece dimensions, weight, target temperature, heating time, production rate, heat losses, and system efficiency. A larger workpiece or shorter heating cycle generally requires greater heating capacity.
Yes. The induction coil can generally be designed according to the workpiece geometry and required heating area. Proper coil design is important for electromagnetic coupling, heating efficiency, temperature uniformity, and repeatable production.
Heating depth is affected by frequency and material properties, as well as the geometry and heating conditions of the workpiece.
Important factors include operating frequency, electrical conductivity, eagnetic properties, workpiece diameter, wall thickness, coil geometry, heating time, power density.
In general, lower frequencies tend to support greater penetration, while higher frequencies tend to concentrate induced heating closer to the surface. However, actual heating depth must be evaluated for the specific material and workpiece.
Both technologies use electromagnetic induction, but their operating frequency and typical heating characteristics can differ.
Medium frequency induction heating is commonly considered when deeper heating or heating of larger workpieces is required.
Super audio frequency induction heating may be selected when a different balance between heating depth, heating concentration, workpiece size, and heating speed is required.
High frequency induction heating generally produces a more concentrated heating effect near the surface. It is commonly used for brazing, soldering, surface hardening, localized heating, small components.
Super audio frequency equipment generally operates at a lower frequency than many high-frequency systems and may therefore provide greater heating penetration for suitable workpieces. However, there is no single frequency that is universally correct for every application.
The correct selection depends on the workpiece material, dimensions, required heating depth, target temperature, heating time, and production requirements.
The term Super Audio Frequency is used in parts of the induction heating industry to describe operating frequencies above the conventional audio-frequency range. However, the terminology is not universally standardized.
Depending on the manufacturer, similar equipment may be called:
Super Audio Frequency Induction Heating Machine
Super Audio Induction Heater
Super-Audio Frequency Induction Heating Equipment
Ultrasonic Frequency Induction Heating Machine
Ultrasonic Induction Heating Equipment
Supersonic Frequency Induction Heating Machine