DEVICE MEASURING THE DIAMETERS OF THIN YARNS AND FIBRES BY MEANS OF LASER

The invention relates to a device for measuring the diameters of thin yarns and fibres by means of laser in the process for producing yarns and fibres with the diameter smaller than 1 mm. According to the invention, the device consists of body (1) which is provided with an orifice (6) wherethrough t...

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Bibliographische Detailangaben
Hauptverfasser: DON U OCTAVIAN GRIGORE, AVARVAREI IULIAN FLORIN, URCAN OLGA
Format: Patent
Sprache:eng ; rum
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Zusammenfassung:The invention relates to a device for measuring the diameters of thin yarns and fibres by means of laser in the process for producing yarns and fibres with the diameter smaller than 1 mm. According to the invention, the device consists of body (1) which is provided with an orifice (6) wherethrough there passes the yarn to be measured, a laser diode (2) which emits a laser beam upon the yarn to be measured, an optical sensor (3) for catching the interference bands produced by the laser beam intersecting the yarn to be measured, an electronic unit (4) for reading the optical sensor (3) and processing the collected information and a computer (5) which runs a dedicated program which displays the obtained values and can use them for correcting the yarn fabrication process. Invenţia se referă la un dispozitiv de măsurare a diametrelor firelor şi fibrelor subţiri, cu ajutorul laserului, în procesele de fabricaţie a firelor şi fibrelor cu diametrul mai mic de 1 mm. Dispozitivul conform invenţiei este alcătuit dintr-un corp (1) care este prevăzut cu un orificiu (6) prin care trece firul de măsurat, o diodă laser (2) care emite un fascicul laser asupra firului de măsurat, un senzor optic (3) de captare a franjelor de interferenţă produse în urma intersectării fasciculului laser cu firul de măsurat, un bloc electronic (4) de citire a senzorului optic (3) şi prelucrare a informaţiilor colectate, şi un calculator (5) ce rulează un program dedicat, care afişează valorile obţinute şi le poate folosi pentru corectarea procesului de fabricaţie a fibrelor.