| 摘要 |
An apparatus (10) and method for studying powder segregation and flow properties using research and development size batches in order to be able to predict segregation and flow problems in production batches. The apparatus and method subject the powder in a hopper (32) to frequencies of vibration usually experienced in a typical production environment and automatically collect unit-dose samples at the bottom of the hopper stem (42) at predetermined sampling intervals. The apparatus and method allow such testing to be done on either a static bed of powder or a dynamic bed of powder, and permit manual sampling from different locations in the powder bed in addition to the samples automatically taken at the bottom of the hopper stem.
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