FIELD: production of chemical fibre. SUBSTANCE: the point of invention consists in the fact that in the course of fibre production melt supply to spinning head is controlled depending upon melt pressure in the spinning unit, cooling air supply to the spinning column is controlled depending upon index of blow off condition of fibre thread supplied to receiving device, depth of vacuum in polycondenser is controlled depending upon viscosity of melt at polycondenser outlet. In addition, index of double reflection of formed fibre before receiving device is measured, viscosity of melt being corrected by the value of deviation of measured value of index of double reflection from preset value. EFFECT: enhanced efficiency of production of chemical fibres. 1 dwg
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FLUORESCENT PHOTOMETER | 1992 |
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METHOD OF DETERMINING SOLIDIFICATION POINT OF THREAD AT FORMING FROM MELT | 0 |
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SU642385A1 |
METHOD OF MEASURING TEMPERATURE OF COMPLEX THREAD AND DEVICES THEREFOR | 0 |
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METHOD FOR CONTROLLING PROCESS FOR MOLDING PRODUCTS FROM CELLULOSE TRIACETATE | 0 |
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Authors
Dates
1994-06-30—Published
1991-06-14—Filed