Nowadays, more and more industries will use the iron core, especially the ignition coil iron core. When making the ignition coil iron core, the metal will be used. Many customers ask why the metal will be used?
In fact, there are some physical problems involved in this, today, the small editor here to give you a physics class, to give you a science of our ignition coil core, so that we can use more smoothly.

The principle of the motor is that electrical energy is converted into magnetic energy(magnetic field), and two magnetic fields generate moments(angular thrust and suction) that make the rotor run and magnetic energy into mechanical energy. There should be no problem with this principle.
2. Electric energy is converted into magnetic energy, which is realized by the alternating current generating a magnetic field through the coil. The concept of a magnetic path is introduced here, similar to a circuit. Because air has a certain degree of permeability, that is, the energy of the magnetic field can be lost through the air, which can cause energy waste and affect the conversion efficiency. Because the flux, like the current, will choose a path with less resistance. That is, if there is an object with greater permeability than air in the magnetic field, the flux will flow through this object. The permeability of Silicon steel is more than 2,000 times that of air, so when Silicon steel is selected, why not use materials with higher permeability, which is considered from the cost and manufacturing process, just like the current channel. Most of them are copper lines, It's expensive. It's silver.
3. Therefore, the role of the ignition coil core is to give the flux a smoother path. This path is called a magnetic path. Why metal is used is selected from the permeability, cost, and manufacturing process.
What about these places where people have a more and more clear concept, not only the ignition coil core here, many things in life according to a certain method of use is a certain reason, technology to make our lives progress. And it makes our lives even more exciting.