Powder delivery device and powder delivery method for supplying raw material powder to powder application apparatus of powder bed fusion binder

摘要

A powder delivery device is provided for providing the raw powder to the powder application device of the powder bed melt bonding apparatus. The powder delivery device is configured to contain the raw material powder and includes a powder supply section including an outlet for providing the raw material powder to the powder application device. The powder delivery device further includes a first physical parameter determination unit disposed at a first location of the powder supply section (40) and configured to determine a first physical parameter in the powder supply section; A control unit configured to determine whether the first physical parameter meets a first acceptance criterion, and a powder processing unit, wherein the control section includes the first physical parameter It is configured to instruct the powder processing unit to perform powder processing if it is determined that the first acceptance criterion is not met.