Friction (DREF) spinning system is an Open-end and/or Core sheath type of spinning system. Along with the frictional forces in the spinning zone the yarn formation takes place. The DREF spinning system is used to produce yarns with high delivery rate (about 300mpm). Still it has to gain its importance with the growth along with technical textiles in India. Amongst the spinning systems, DREF provides a good platform for production of core spun yarns due its spinning principle. It offers less spinning tension to the core and core will be positioned exactly at the centre of the yarn. Due to complete cover of the core filaments yarns can be produced with required tensile properties by altering core proportion.

Development of DREF core-spun yarns unveils a path for new products including high performance textiles, sewing threads and in the apparels due to its exceptional strength, outstanding abrasion resistance, consistence performance in sewing operation, adequate elasticity for the stretch requirements, excellent resistance to perspiration, ideal wash and wear performance and permanent press.

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This article was originally presented in ATNT 2007 held on 18-20, June 2007 at Kumaraguru College of Technology, Coimbatore, India. C.Rameshkumar, K.J.Arun kumar, P.Kavinmurugan & B.Manojkumar are associated with Department of Textile Technology, Bannari Amman Institute of Technology, Sathyamangalam & Dr.N.Anbumani is associated with Department of Textile Technology, PSG College of Technology, Coimbatore.