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Shenzhen Shuangping Power Supply Technologies Co., Ltd.

High Frequency Induction Heating Machine, Shaft and Gear Quenching Machine, Gold and Silver Melting Machine manufacturer / supplier in China, offering Spg-30b High Frequency Induction Heating Machine 30kw 200kHz, Sp-04c Induction Heating Machine 4kw 200kHz, 300kw High Frequency Induction Heating Machine Spg50K-300b for Shaft Quenching and so on.

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Spg-30b High Frequency Induction Heating Machine 30kw 200kHz

FOB Price: US $3,000-35,000 / Set
Min. Order: 1 Set
Min. Order FOB Price
1 Set US $3,000-35,000/ Set
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Port: Shenzhen, China
Production Capacity: 2000 PCS/Year
Payment Terms: T/T

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Basic Info
  • Model NO.: SPG-30B
  • Certification: ISO
  • Brand: Shuangping
  • Transport Package: Carton
  • Origin: China
  • Type: Melting
  • Structure: Vertical Type
  • Trademark: shuangping
  • Specification: 100--400KG
  • HS Code: 8514400090
Product Description
Main specifications of SPG-30B indcution heating machine: 
  1. Model:SPG-30B & SPG-30AB
  2. Maximum output power: 30KW
  3. Output frequency: 80-200KHZ
  4. Output current: 7~70A
  5. Input:  3×380V  50 or 60HZ
  6. Duty cycle: 100%
  7. Connecting cable length :2m
  8. Heating and retaining time of SPG-30AB: 0.1~99.9 sec.
  9. Cooling water desire: 0.2MPa  ≥6L/Min
  10. Weight of generator: 29KG
  11. Weight of transformer: 24KG
  12. Size of generator(CM):52L×26W×45H
  13. Size of transformer(CM): 40L×26W×37H
  14. Used for shaft and gear heat treatment, etc.
Main specifications of  SPG series machines:
modelMax. input powerOutput frequencyinputAuxiliary function
SPG-10-I normal10KW50-250KHZ380V 3P
50 or 60HZ
Can be ordered
1. "B" means  split type machine with connecting Cable length of 2 meters standard; up to 6 meters can be ordered.
2. "A" means machine with timer function, all models can increase timer function;
3. for example: SPG-20AB means 20KW machine with timer and separated transformer(split type)
SPG-10A-I with timer
SPG-20A with timer
SPG-20B split type
SPG-20AB split/timer
SPG-60B,SPG-60AB 60KW50--200KHZ
Larger power machines can also be ordered;
Main applications and characteristics:
         These series are suitable for many applications, for example, (1)Heat treatment of gear and shaft(2)steel and stainless steel screw coating  (3)floating melt for institute or college research  (4)tiny or powder material melting  (5)copper joint brazing and so on.
         Due to the adopting of our third generation inverting control technology, SPG series machines are characterized not only with high power and high frequency up to 200KHZ output, but also with high reliability on the condition of normal IGBT module.

Working theory and structure:
In These series machines, series oscillating circuit is applied, through high frequency transformer, low voltage and high current power is output to go through the induction coil. The main oscillating structure is as follows:
Spg-30b High Frequency Induction Heating Machine 30kw 200kHz
         Inside These series machines, IGBT module and our third generation inverting control technology has been used, that is the soft and dual control and inverting technology. In this technology, output power and frequency can be controlled and adjusted separately, IGBT module and soft switching control technology are used in the high frequency switching circuit to control the output power.  In the inverting circuit, the IGBT and frequency tracing circuit is applied to achieve high speed and accurate soft switching control. The adoption of new technologies not only improves the quality and reliability of the machine,but also solve the technology problem on large power induction heating machine and makes it possible to work 100% duty cycle.
         Inside the These series machines, oscillating cap is connected to the secondary coil of the transformer, so the voltage on the primary coil of the transformer is low and problems caused by high voltage such as sparks and insulations are solved thoroughly to increase the reliability and quality of the machine. At the same time, the transformer is light and small sized with low energy consuming.
Advantages and applications of models with Timer function:
  1. Heating power, retaining power, heating time, retaining time   can be preset and adjusted, this makes it possible to control the heating curve and heating time.
  2. It is suitable to use in the repeated heating or high speed heating of small parts;
  3. When using in brazing, with proper timing parameters, rapid heating and retaining can be achieved to keep the temperature while the brazing material is melted and then to let the brazing material spread smoothly to form good joint.
Advantages and applications of separated transformer:
  1. In these three series machines, the high frequency transformer is separated from the generator, with 2 meters connecting cable at least.
  2. It is suitable to use in the dirty or corrosive surroundings, the generator can be put in a clean space to increase the reliability.
  3. With the small size and light weight of the separated transformer, it is convenient to use in the production line and easily assembled inside the machinery or moved mechanism.

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