FIELD: process engineering.
SUBSTANCE: mixing and kneading machine incorporates screw shaft revolving and, at a time, reciprocating axially in machine housing. Screw shaft outer diametre-to-screw shaft inner diametre ratio Da/Di varies from 1.5 to 2.0. Screw shaft outer diametre Da relates to lead H varies from 4 to 6. T/H ratio of pitch T to lead H varies from 1.3 to 2.5. In compliance with proposed method o conducting preparatory operations by mixing and kneading machine, screw shaft rpm is selected to exceed 500 rpm, in particular to exceed 800 rpm.
EFFECT: higher efficiency of proposed machine and higher quality of produced product.
11 cl, 4 dwg
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