| 摘要 |
A printing apparatus for printing a three-dimensional component, the apparatus comprising an operative surface, an energy source for emitting an energy beam onto the operative surface, at least one supply tube for dispensing powder onto the operative surface and charging means for electrostatically charging the powder and operative surface. The powder is adapted to be melted by the energy beam and charge applied to the powder has an opposed polarity to charge applied to the operative surface. |
