High-energy beam additive manufacturing forming device and forming method

A high-energy beam additive manufacturing forming method, applying a high-energy beam additive manufacturing forming device, wherein the high-energy beam additive manufacturing forming device comprises:

• a magnetic field unit comprising:
• a first magnetic field generating device,
• wherein the first magnetic field generating device comprises induction coils arranged below a molten pool, and at any time, the molten pool formed by melting a material to be processed is located in an area where clustered magnetic induction lines are emitted from the induction coils;
• when the number of the induction coils is multiple, the induction coils are evenly arranged in the forming area of the molten pool;
• and
• the adjacent induction coils are parallel, and the distances between the induction coils and the molten pool are equal;
• and
• second magnetic field generating devices which generate a steady-state magnetic field and/or an alternating magnetic field and act on the molten pool,
• wherein the second magnetic field generating devices are arranged above the molten pool;
• a forming base for placing a material to be processed, and
• a high-energy beam generation device, which emits a high-energy beam, acts on the material to be processed and forms a molten pool,
• wherein the high-energy beam generation device is arranged above the forming base, the first magnetic field generating device is detachably arranged below a surface of the forming base used for containing the material to be processed, and the second magnetic field generating devices are arranged above the forming base;
• and
• the high-energy beam additive manufacturing forming method comprises the following steps:
• (a) placing a material to be processed on the forming base;
• (b) generating a high-energy beam by a high-energy beam generation device, wherein the high-energy beam acts on the material to be processed in a set path, so that a molten pool is formed by the material to be processed;
• (c) loading alternating voltage by a first magnetic field generating device, so that the induction coils generate an alternating magnetic field to act on the molten pool;
• and
• (d) stacking a plurality of additive forming layers to obtain a forming part.