Electricity in induction heating classification common sense

Shenzhen Biyuanda Technology has been engaged in the electromagnetic heating industry for more than seven years. Although electromagnetic heating knowledge has become very popular in the past two years, there are still a large number of users who are complaining about the various electromagnetic induction heating methods. It is not clear about their equipment. To find out which kind of suitable heating equipment to heat up, today we will popularize the classification of various electromagnetic induction heating.
Electromagnetic induction heating classification knowledge

What do you know about the classification of electromagnetic induction heating?

Engaged in the electromagnetic heating industry for more than seven years, although the electromagnetic heating knowledge has been very popular in the past two years, but there are still a large number of users who are complaining about the various electromagnetic induction heating, and it is not clear which kind of equipment heating Suitable heating equipment, today we are going to popularize the classification of various electromagnetic induction heating

Application of electromagnetic induction heating:
Electromagnetic induction heating technology is mainly used to heat metal materials and graphite. The British physicist Faraday's law of electromagnetic induction tells us that magnetism can generate electricity. The right hand rule of Denmark's natural philosopher Oster (Ampere's rule) tells us Electricity can be magnetic. Regardless of whether it is magnetoelectric or electromagnetism, the object to be targeted must have good electrical, magnetic or both conductive and magnetic properties. Since only metal materials are usually eligible, in the case of non-metallic materials, only a very small number of materials such as graphite are eligible. Therefore, induction heating technology is mainly used for heating metal materials and graphite.

Classification principle:
According to the frequency of the alternating current output by the device, the induction heating technology can be divided into five categories according to the operating frequency: low frequency induction heating, medium frequency induction heating, super audio induction heating, high frequency induction heating and ultra high frequency induction heating. Since the alternating current flows in the conductor, there is a skin effect, and as the frequency of the current increases, the current tends to flow through the surface layer of the conductor.

1, the ultra-high frequency induction heating frequency is relatively highest, the frequency range: generally 200KHZ or more, can be as high as tens of MHZ. The heating depth and thickness are the smallest, about 0.1-1 mm. It is mainly used for local miniaturization or extremely thin bar quenching, welding, surface quenching of small workpieces, etc.

2, high frequency induction heating frequency range: generally 40KHZ to 200KHZ, commonly used 40KHZ to 80KHZ. Heating depth, thickness, about 1-2mm. It is mainly used for deep heating, red punching, calcining, annealing, tempering, quenching and tempering, surface quenching, medium-diameter pipe heating and welding, heat assembly, pinion quenching, etc. for small workpieces.

3, super audio induction heating (commonly known as electromagnetic heater)
Frequency range: generally 20KHZ to 40KHZ (because the audio frequency is 20HZ to 20KHZ, so it is called super audio). Heating depth, thickness, about 2-3mm. It is mostly used for deep heating of medium-diameter workpieces, heating of thin-walled pipes with larger diameters, such as in plastic machinery (such as injection molding machines, Wire drawing machines, granulators, extruders, energy-saving renovation projects), food machinery, crude oil transportation, etc. Similar to the heating industry. The electromagnetic heating products developed and produced by Shenzhen Biyuanda Technology Co., Ltd. are super-audio induction heating equipment. The company's newly developed and produced electromagnetic heating equipment is based on a new generation of AVR based digital control. Compared with the conventional electromagnetic induction heater, it has the characteristics of stable performance, exquisite appearance, easy installation, simple debugging and low failure rate. It is the first choice for the ideal high-efficiency heating retrofit.

4, the intermediate frequency induction heating frequency range: generally 1KHZ to 15KHZ, the typical value is about 8KHZ. The heating depth and thickness are about 3-10 mm. It is mainly used for heating, annealing, tempering, quenching and surface quenching of large workpieces, large diameter shafts, large diameter thick wall pipes, large modulus gears, etc., and red punching and calcining of smaller diameter bars.

5, the low frequency induction heating frequency is the lowest, the frequency range: power frequency (50HZ) to 1KHZ or so, the commonly used frequency is mostly power frequency. The relative heating depth is the deepest, and the heating thickness is the largest, about 10-20mm; Mainly used for the overall heating, annealing, tempering and surface quenching of large workpieces.

I hope that the above knowledge of electromagnetic induction heating can help you. For more details, please call our staff for consultation. We will be happy to help you!
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn

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