Two Transformer Two Coil High Frequency Induction Heating Machine 20kw 200kHz

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  • Model No.: SPG-20B with two transformers
  • Certification: ISO
  • Brand: Shuangping
  • Transport Package: Carton
  • Origin: China
  • Type: Melting
  • Structure: Vertical Type
  • Trademark: Shuangping
  • Specification: 100–400KG
  • HS Code: 8514400090
Main specifications of SPG-20B induction heating machine:
  1. Model: SPG-20B & SPG-20AB
  2. One generator and two transformers, not working together
  3. Maximum output power: 20KW
  4. Output frequency: 80–200KHZ
  5. Output current: 7–45A
  6. Input: 3×380V, 50 or 60HZ
  7. Duty cycle: 100%
  8. Connecting cable length: 2m
  9. Heating and retaining time of SPG-20AB: 0.1–99.9 sec.
  10. Cooling water pressure: ≥0.2MPa, ≥6L/Min
  11. Weight of generator: 29KG
  12. Weight of transformer: 24KG
  13. Size of generator (CM): 52L × 26W × 45H
  14. Size of transformer (CM): 40L × 26W × 37H
  15. Used for shaft and gear heat treatment, etc.
Main specifications of SPG series machines:
model Max. input power Output frequency input Auxiliary function
SPG-10-I normal 10KW 50-250KHZ 380V 3P, 50 or 60HZ, standard; 3×415V, 3×440V, 3×480V (can be ordered) 1. "B" means split type with 2m cable, up to 6m available. 2. "A" means timer function, all models can be upgraded. 3. Example: SPG-20AB = 20KW with timer and separated transformer.
SPG-10A-I with timer
SPG-20 20KW 50--250KHZ
SPG-20A with timer
SPG-20B split type
SPG-20AB split/timer
SPG-30B, SPG-30AB 30KW 50--200KHZ
SPG-40B, SPG-40AB 40KW 50--200KHZ
SPG-60B, SPG-60AB 60KW 50--200KHZ
SPG-100B, SPG-100AB 100KW 50-150KHZ
SPG-160B, SPG-160AB 160KW 50-130KHZ
SPG-240B, SPG-240AB 240KW 50-120KHZ
SPG-300B, SPG-300AB 300KW 50-120KHZ
Larger power machines can also be ordered;
Main applications and characteristics:
These series are ideal for various applications such as gear and shaft heat treatment, steel and stainless steel screw coating, floating melt for research, tiny or powder material melting, copper joint brazing, and more. Thanks to our third-generation inverter control technology, SPG machines offer high power, high-frequency output up to 200KHZ, and excellent reliability under normal IGBT module conditions.

Working theory and structure:
These machines use a series oscillating circuit, where low-voltage, high-current power is delivered through a high-frequency transformer to an induction coil. Inside, IGBT modules and third-generation inverter control technology are used, enabling separate control of power and frequency. This ensures stable operation and efficient soft-switching control, improving machine quality and reliability while allowing 100% duty cycle operation.
Advantages and applications of models with Timer function:
  1. Heating and retaining power/time can be preset, offering precise control over the heating process.
  2. Perfect for small parts or high-speed repeated heating.
  3. Enables rapid heating and controlled retention during brazing, ensuring proper material flow and strong joints.
Advantages and applications of separated transformer:
  1. Transformer is separated from the generator with a minimum 2m connecting cable, making it easier to place in different environments.
  2. Ideal for dirty or corrosive areas, keeping the generator in a clean space for better performance.
  3. Compact and lightweight transformer allows easy integration into production lines or mobile systems.

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