Induktiolämpökäsittelyä
Induktiolämpö, also known as induction heating, is a non-contact heating method that utilizes electromagnetic induction to heat conductive materials. This process involves placing a conductive workpiece inside an induction coil. When an alternating electric current flows through the coil, it generates a rapidly changing magnetic field. This magnetic field then induces eddy currents within the workpiece. The resistance of the workpiece to these eddy currents causes them to dissipate energy in the form of heat, thus raising the temperature of the material. The frequency of the alternating current used in the induction coil determines the depth of penetration of the eddy currents, allowing for precise control over the heating process. Induktiolämpö is widely employed in various industrial applications, including heat treatment of metals like hardening and tempering, brazing, welding, melting, and shrink fitting. Its advantages include rapid heating, precise temperature control, energy efficiency, and minimal surface contamination due to the non-contact nature of the process. The heating is localized to the workpiece itself, minimizing heat loss to the surroundings.