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80-200KHZ SPG High frequency

SPG-10-I high frequency induction heater

1. SPG-10A-I & SPG-10-I
2. Output power 10KW
3. Frequency 80—250KHZ
4. input 3×380V
5. Gold melting, etc.

SPG-10-I Induction heater (with tapping)

1. SPG-10A-I & SPG-10-I (with tapping)
2. Output power 10KW
3. Frequency 80—250KHZ
4. input 3×380V
5. Gold melting, etc.

SPG-10-I Induction melting machine

1. SPG-10-I for melting usage
2. Output power 10KW
3. Frequency 80—250KHZ
4. input 3×380V
5. Gold melting, etc.

SPG-20A high frequency induction heater

1. SPG-20A
2. Output power 20KW
3. Frequency 80—200KHZ
4. input 3×380V
5. Screw coating, etc.

SPG-20B melting type induction heater

1、 SPG-20B induction melting machine
2、 Maximum power 20KW
3、 Frequency 80—200KHZ
4、 Input: 3×380V 50 or 60HZ
5、 1.5 minutes for 3KG Gold

SPG-20AB with two heating head

1. SPG-20AB with two heating head
2. Two heating head can be converted easily.
3. Output power 20KW
4. Frequency 80—200KHZ
5. input 3×380V

SPG-20B high frequency induction heater

1. SPG-20B & SPG-20AB
2. Output power 20KW
3. Frequency 80—200KHZ
4. input 3×380V
5. Screw coating, etc.

SPG-20B induction melting machine

1、 SPG-20B induction melting machine
2、 Maximum power 20KW
3、 Frequency 80—200KHZ
4、 Input: 3×380V 50 or 60HZ
5、 Gold, silver melting

SPG-30B high frequency induction heater

1. SPG-30B & SPG-30AB
2. Output power 30KW
3. Frequency 80—200KHZ
4. input 3×380V
5. Heat treatment, etc.

SPG-40B high frequency induction heater

1. SPG-40B & SPG-40AB
2. Output power 40KW
3. Frequency 80—200KHZ
4. input 3×380V
5. Wire annealing, etc.

SPG-60B high frequency induction heater

a) SPG-60B & SPG-60AB
b) Output power 60KW
c) Frequency 50—150KHZ
d) input 3×380V
e) Wire annealing, etc.

SPG-80B-PLC HF induction heating machine

a) SPG-80B-PLC
b) PLC control and touch screen operation
c) Output power 80KW
d) Frequency 80—150KHZ
e) Wire annealing, etc.

SPG-100B high frequency induction heater

a) SPG-100B & SPG-100AB
b) Output power 100KW
c) Frequency 50—150KHZ
d) input 3×380V
e) Wire annealing, etc.

SPG-160B high frequency induction heater

a) SPG-160B & SPG-160AB
b) Output power 160KW
c) Frequency 50—120KHZ
d) input 3×380V
e) Wire annealing, etc.

DetailsApplicationInstallationOther




model

Max. input power

Output frequency

input

Auxiliary function

SPG-10-I normal

10KW

80—250KHZ

380V 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)

SPG-10A-I with timer

SPG-20

20KW

80--250KHZ

SPG-20A with timer

SPG-20B split type

SPG-20AB split/timer

SPG-30BSPG-30AB

30KW

80--200KHZ

SPG-40BSPG-40AB

40KW

80--200KHZ

SPG-60BSPG-60AB

60KW

80--180KHZ

SPG-80BSPG-80AB

80KW

80-150KHZ

SPG-100BSPG-100AB

100KW

80-150KHZ

SPG-120BSPG-120AB

120KW

80-150KHZ

SPG-160BSPG-160AB

160KW

80-130KHZ

SPG-200BSPG-200AB

200KW

80-130KHZ

SPG-240BSPG-240AB

240KW

80-120KHZ

SPG-300BSPG-300AB

300KW

80-120KHZ

Larger power machines can also be ordered;





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-10-I and SPG-20B series machines are acterized not only with high power and high frequency up to 250KHZ output, but also with high reliability on the condition of normal IGBT module.

 

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.

 

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:

   


    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.

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