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Articles by Nisar Ahmed Jamil
Total Records ( 3 ) for Nisar Ahmed Jamil
  Iftikhar Ahmad , Nisar Ahmed Jamil and AfshanAthar
  Vat and reactive dyes were utilized in continuous dyeing of pure cotton and polyester. Cotton blended fabric samples. Comparative study of their shade matching and washing fastness results revealed that the reactive dyes might be suitable substitutes of vat dyes.
  Nasir Mahmood , Nisar Ahmed Jamil , M. Iftikhar and Raheed Akram
  It was planned to compare the spinning potentials of imported cottons viz. American cotton (Acala 1517-95), Uzbek cotton (C-6524), Australian cotton (Sicala-40), Brazilian cotton (Matta) and Zimbabwean cotton (Albar Sz-9314) with Pakistani cotton (MNH-93), in term of their utility values in textiles mills. American and Brazilian cottons generates the better results.
  Nasir Mahmood , Nisar Ahmed Jamil and Sh. Shoaib Ahmad
  The purpose of present research was to analyze the effect of draft, sliver hank and delivery speed on the quality of cotton yarn using different auto-leveller system at draw frame. Drawing is considered to be the key process in the whole set-up of yarn formation as all efficiency and quality of subsequent process depends upon the behavior of the sliver formed at drawing stage. In present research it is elaborated that during drawing, three factors are more important i.e. break draft, delivery speed and sliver hank. The best quality of yarn is obtained by controlling these factors. Rieter RSBD-35 is better in performance as compared to Trutzschler HSR-1000 which is efficient and modern autolevelling system with high speed servo drive motor at Rieter draw frame. The overall results show that moderate break draft, D2 (1.3), delivery speed S2 (700 yards/min) and sliver hank H2 (60 grain/yards) produced the better results.
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