Inductors

The inductor in the induction system is suspended to highest electrical, thermal and mechanical loads. In the inductor the transfer of energy runs off on the warming up material.
In its simplest form the inductor is a approximately wound coil. Since the induction heating on the basis of high performance magnetic fields works, the coil must be flowed through by high alternating currents.The arising current densities require a very good cooling. For the inductor copper hollow section is therefore used, which is flowed through by cooling water.
Inside the inductor is the highly heated warming up material, i.e. in the case of a melting furnace, is e.g. fusionliquid steel with a temperature of approx. 1600°C. The thermal insulation and the melting pot are made of fireproof ceramic materials.
On production of the inductor and the fireproof lining of the furnace highest care is necessary. To consider during plant establishment and handling are the industrial safety arrangements of the employers' liability insurance association as well as the system dependent references of the equipment manufacturer and the manufacturers of the fireproof materials.

The size and form of the inductor coil as well as the achievement conversion are always adapted to the warming up material and the technology. Therefore it is important that in the planning phase good communication between the customer and the equipment manufacturer is developed. The more exactly the technical details are co-ordinated, the more effectively the plant will work later.
For the computation of the inductors both classical analytic computing procedures and most modern computer-aided FEM-procedures are used.

EMA-TEC GmbH computes and manufactures new inductors for melting installation, forging heating-up plants as well as hardness/remuneration and special applications.