Edit1980 Applying Basic Solids Conveying Measurements to Design and Operation of Single Screw Extruders
G. A. Kruder and Robert E. Nunn - HPM Corporation, Mount Gilead, OH 43338
EditIntroduction
Since the 1975 ANTEC paper by Kruder titled "Fundamental Mechanisms Related To Single Screw Extruder Feeding", other investigators have made consideralbe use from this paper of solids conveying data obtained with equipment shown in Figure 1. In recent years, we have continued to use this equipment extensively to study cremmer-feeding of difficult to feed materials, after adding various spiral and agitator configurations to the rotating sharft in the conical hopper above the screw and barrel. During the past few months, we returned to the original configuration, as shown in Figure 1, to obtain solids conveying data for additional polymer feed stocks with a smooth barrel and also with a longitudinally grooved barrel.
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