Electron Beam Focusing Coil
A coil that focuses and concentrates electron beams. It increases power density for deep welding of thick metal parts.
Physicochemical mechanism of action
The electron beam focusing coil uses electromagnetic fields to focus a free electron beam in a vacuum. This concentrates the electrons into a very small area and increases their density.
Metallurgical relevance & risks in welding
The high power density enables effective deep welding of thick components, as it provides a strong heat source. Lack of concentration can lead to uneven heating and increase the risk of cracks.
Shop practice & instructions
The coil should be adjusted so that the electron beam is precisely focused on the weld spot. Improper concentration can lead to uneven heating and possible cracks. Voltage and current flow must be precisely controlled to achieve the desired power density.