Die Filling of Aerated Powders

Executive Summary

2019.

Compacting GmbH. It is expected that the system will be ready for some preliminary test in Q2 of

Furthermore, a forced filling system is currently under construction in collaboration with Fette

obtained but further data analysis is required. These results will be reported at IFPRI 2019 AGM.

constructed and a systematical experimental work was perfomed. Some interesting results were

In addition, significant progress was also made in exploring suction filling, an experimental rig was

air sensitivity index increase, while it decreases with the increase of specific energy and cohesion.

filling velocity increases proportionally as the mean particle size, flow function, air permeability and

as cohesion, flowability, average particle size and air sensitivity index. In particular, the critical

filling velocity. It was found that the critical filling velocity is strongly dependent on such properties

properties were examined. The efficiency of die filling is evaluated using the concept of critical

material characteristics (e.g. particle size distribution, sphericity and morphology) and flow

this system, die filling behaviours of 7 commonly used pharmaceutical excipients with various

filling occurs when the die passes through a stationary shoe positioned above the die table. Using

rectangular die. The die table can rotate at an equivalent translational velocity of up to 1.5 m/s. The

tablet press. The system consists of a round die table of 500 mm diameter, equipped with a

A model rotary die filling system was developed to mimic the die filling process in a typical rotary

Ms. Zakhvatayeva. It primarily covers a comprehensive study of rotary die filling.

This report summarizes the work performed during the last 12 month primarily by the project student,