| 摘要 |
PROBLEM TO BE SOLVED: To prevent dust emission to surroundings in supplying powder in a supply container to a measurement container which is disposed below the supply container and is mounted on a weighing unit, and further secure accuracy for measuring the supplied powder.SOLUTION: A powder measuring device comprises: a supply container; a measurement container which stores supplied powder; a weighing unit which weighs the measurement container together with the stored powder; a dust collection hood which encloses a space between a supply opening and a reception opening, is attached in a state in which one end can contact with or separate from the supply container and the other end can contact with or separate from the measurement container, and is connected with an external dust collecting device inside; and a controller which controls supply of powder from the supply container to the measurement container. The powder measuring device controls supply weight of powder to be a measurement calculated value set in consideration of weight of the measurement container in an empty state and weight of the dust collection hood in a contacting/separating state. |
