Polyester ve naylon lifleri iiretiminde yetmigli y~llardon beri uygulanan yiiksek h~zda lif gekme ycinterni. soglad~g~ iistiinliikler yan~nda birqok yeni sorunun ortaya pkrnasrno neden olmu$r. Bu yaz~do, bu sorunlar ve bunlor1 ortadan kald~rmak igin gergeklegtirilen teknolojik geligneler belirtilecektir. 

High speed spinning technique which has been applied since the beginning of the seventies created many new problems besides its advantages. In this paper, these problems and some of the technological improvements to solve them will be explained.