CS271054B1 - Mode of metallic fibres production - Google Patents

Abstract

The purpose of this solution is an increase of thread quality and decrease of energy consumption for forming the threads. This purpose is achieved by the method of production of metallic threads, the essence of which lies in the fact that a thread semi-product within the moulding process is subject to stretching along the axis of the threads due to a straight reversal movement of cylinders while the speed of the cylinder movement is set forth by the following relation:<IMAGE>where e is the degree of pressure equal to the ratio of diameters of the thread semi-product and thread;db is the thread diameter;V1, V2 are peripheral velocities of the first and second cylinder;alpha is the contact angle of the thread semi-product and cylinder.<IMAGE>

Description

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Vj- £ dZ (2 S. and -_3> (Vi-Vz?

12 R sin <O rne - - CTeneiiL oemaTHn, paeiiaa οτιιοιιιβιΐΗ »ληβηητροβ πβγοτοβκμ h cionoKHa; d - ΛΗβΜθτρ BOJioKiia;

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CnOCOB ΠΟΠΥ'ΙΕΙΙΗΠ METflJUIHHECKHX BQJ1OKOII

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Claims (1)

SUMMARY OF THE INVENTION The subject matter of the invention is a method for producing metal fibers, characterized in that: that, in order to improve the quality of the fibers to reduce the energy consumption for forming the fibers, during the rolling process the fiber blank is subjected to expansion along the fiber axis under the action of a rectilinear reciprocating motion of the rolls, wherein the speed of movement of the rolls is determined by = o.db. (2η2 - 3J (Vi - V2) V <| --------------------------- / 12 R sin where n Is the degree of compression equal to the ratio fiber diameters and fiber diameters: db Is the fiber diameter: Vi V2 circumferential velocities of the first and second cylinders: Jt Is the contact angle of the fiber blank and the cylinder.