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Induction heating furnace

Induction heating furnace

The induction heating furnace is the main heating equipment for heating metal before forging. There are many heating methods. For different forging processes, different forging blank heating methods and heating temperatures are adopted, and the structure and heating methods of the heating furnace are different. Now introduce the induction heating furnace .

 

A. Purpose of induction heating furnace heating:

Improve metal plasticity, reduce metal deformation resistance, make it easy to form, and obtain good structure and mechanical properties after forging

B. Heating requirements of induction heating furnace :

1. Under the conditions of temperature conductivity and internal stress allowed by metal materials, the induction heating furnace should be heated to the predetermined temperature at the fastest speed to improve efficiency and save energy.

2 , an induction furnace to minimize the heating of the metal absorb harmful gases, such as oxygen, hydrogen, nitrogen and other gases, and reduction of oxidation, hydrogen embrittlement or decarburization defects and improve the quality of the heating.

3 , induction heating furnace in the low-temperature heating stage, to prevent undue heating of the metal section and the outer core portion excessive temperature difference, resulting in excessive thermal stress, internal stress and then overlay the other, causes the material to rupture.

4 , an induction heating furnace can accurately implement a given specification is heated, the heating conditions such as heating temperature, speed, time and thermal insulation, to prevent overheating, over-burning and other defects.

C. Suitable forging process of induction heating furnace :

The suitable forging process of induction heating furnace is divided into hot forging and warm forging according to temperature; according to the forming method, it can be divided into different forging types such as free forging, die forging, ring rolling, and special forging.

D. Heating method of induction heating furnace :

The heating method of the induction heating furnace is an induction heating method, and an intermediate frequency induction heating furnace is generally used to heat the metal blank. The intermediate frequency induction heating furnace adopts the principle of electromagnetic induction heating. The induction current is generated through the resonance of the intermediate frequency power supply and the inductor (induction coil) . The intermediate frequency induction heating furnace has fast heating speed, uniform heating temperature, easy operation, easy maintenance, energy saving and environmental protection, and heating burn loss Few features, especially the application of automatic control, which meets the requirements of the current smart factory, can realize the automation of the forging production line , and is deeply loved by people in the forging industry.

E. Summary of technical parameters of induction heating furnace for forging

Round rod diameter Rod length Heating temperature Heating furnace power
Φ16mm 300mm 1100 250kw/4000HZ
Φ31-80mm 70-480mm 1250 500kw/2500HZ
Φ120mm 1500mm 1250 2000kw/1000HZ
The induction heating furnace for forging can be customized according to actual needs

F. Summary of technical parameters of induction heating furnace for square steel

Square steel size (mm) Power kw Heating temperature
6 × 6 10 1100 ℃
10×10 30 1100 ℃
40×40 60 1100 ℃
60×60 120 1100 ℃
100×100 200 1100 ℃
150×150 300 1100 ℃
200×200 500 1100 ℃
300×300 600 1100 ℃
500×500 1000 1100 ℃

 

 

 

7. Summary of parameters of bar induction heating furnace

Model/Specification power  
SD -25 forging induction heating furnace 25KW Suitable for heating Φ 12-30mm bars
SD -35 forging induction heating furnace 35KW
SD -45 forging induction heating furnace 45KW
SD -70 forging induction heating furnace 70KW Suitable for heating Φ15-50mm bars
SD -90 forging induction heating furnace 90KW
SD -110 forging induction heating furnace 110KW
SD -160 forging induction heating furnace 160KW Suitable for heating Φ 15-90mm bar material
SD -200 forging induction heating furnace 200KW
SD -250 forging induction heating furnace 250KW Suitable for heating Φ 30-150mm bar material

 

G. Summary of parameters of steel tube induction heating furnace:

diameter Control System Power
Φ 18-28mm PLC intelligent control system KGPS 200KW
Φ 30-70mm PLC intelligent control system KGPS 350KW
Φ 80-110mm PLC intelligent control system KGPS 500KW
Φ 16-32mm PLC intelligent control system KGPS 200KW
Customized production of steel tube induction heating furnace according to the actual needs of customers

 

H. Summary of technical parameters of round steel induction heating furnace

Summary table of technical parameters of round steel induction heating furnace with power less than 1000KW
Rated power (KW )  Rated frequency (HZ) Transformer capacity (KVA) Secondary voltage (V) Rectified pulse number Inductor voltage (V) Power consumption (KW.h/t) Round steel diameter ( mm )
80 1000~8000 100 380v 6 Pulse 800 450 φ 6-35
100 1000~8000 160 380v 6 Pulse 800 450 φ 25-40
120 1000~8000 200 380v 6 Pulse 800 450 φ 30-50
160 1000~8000 250 380v 6 Pulse 800 450 φ 40-60
200 1000~8000 315 380v 6 Pulse 800 450 φ 40-60
250 1000~8000 400 380v 6 Pulse 800 450 φ 60-80
350 1000~8000 500 380v 6 Pulse 800 450 φ 80-120
400 500~8000 500 380v 6 Pulse 800 450 φ 80-120
500 500~8000 630 380v 6 Pulse 800 450 φ 120-150
1000 500~1000 1250 660V-380V 12 Pulse 1200 /(800) 380 φ 150-250
1500 500~1000 1600 φ 660V-380V 12 Pulse 1200 /(800) 370 φ 250-400
2000 500~1000 2200 φ 660V-380V 12 Pulse 1200 /(800) 360 φ 400-800