Gold Member Since 2016
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Shenzhen Shuangping Power Supply Technologies Co., Ltd.

Induction Heating Machine, High Frequency Indcution Heating Machine, High Frequency Brazing Machine manufacturer / supplier in China, offering Spg20k-15 to Spg20k-600b Induction Heating Machine, 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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Spg20k-15 to Spg20k-600b Induction Heating Machine

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.: SPG20K-15 to SPG20K-600B
  • 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:
modelMax. input powerOutput frequencyinputAuxiliary function
SPG20K-15  25KW 30~80KHZ380V 3P
50 or 60HZ
standard
 
3×415V
3×440V
3×480V
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)
SPG20K-15A
SPG20K-15B
SPG20K-15AB
SPG20K-25(A)B25KW
SPG20K-35(A)B35KW
SPG20K-45(A)B45KW
SPG20K-70(A)B70KW
SPG20K-100(A)B100KW
SPG20K-160(A)B160KW
SPG20K-200(A)B200KW
SPG20K-240(A)B240KW
SPG20K-300(A)B300KW
SPG20K-400(A)B400KW
SPG20K-500(A)B500KW
SPG20K-600(A)B600KW
Larger power and special application machines can 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:
Spg20k-15 to Spg20k-600b Induction Heating Machine
         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.

Comparison between SPG50K and other same frequency machine in market:
  1. Feature on High frequency:   SPG20K machines are recommended to work up to 40KHZ with full power.
  2. Feature on low frequency:  primary coil voltage of other machine is very high, when the frequency is low, this will cause  magnetic saturation of the magnetic core, so that machine can not work well at low frequency; SPG20K machines do not have this problem.
  3. Energy loss:  SP machines have much bigger high frequency transformer to cause much more energy loss than SPG20K machines.
  4. Reliability:  Voltage of primary coil of other machines can be 3000~7000V high,  so spark is easy to happen  .  SPG20K is more reliable without this problem. Secondly,  Soft switching technology is used in SPG20K voltage regulate circuit, this also improve the reliability very much.
  5. Matching to the parts to be heated:  It is much easy to design the SPG20K machine to realize good matching,  this is especially obvious when heating non-ferrous metal or applications .

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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