Week 1 :Impurities in cotton, Opening and Cleaning principles, Layout of machines in blow room
Week 2 :Working principle and design features of opening , mixing and cleaning machines.
Week 3 :Tuft transportation, flow regulation
Week 4 :Lap formation, performance evaluation
Week 5 :Objectives of carding process, carding actions , working principle of carding machine, Card feed system, lap and continuous feed systems, design feature of taker-in/ licker-in,waste extraction, opening Intensity
Week 6 :Design feature of cylinder section, construction , design and working of flats, analysis of carding theory , carding force, fibre shedding, Transfer of fibres from cylinder to doffer,Technological significance of doffing arc, doffing of web , web condensation, Package formation: Forms of packaging, coiling, analysis of can drive
Week 7 :Motion transfer in card, draft and production calculations, card setting, significance of setting,
Week 8 :Card clothing: licker-in, cylinder ,doffer clothing; card tooth geometry, Operational load on cylinder , fibre transfer efficiency, carding process,
Week 9 :Autoleveller in card: principle of autolevelling, type of autoleveller, type of autoleveller, correction length, Fibre configuration in card sliver, mechanism of fibre hook and nep formation, cloudy web, Drawframe:Fundamentals of drafting, draft , ideal drafting, geometrical analysis of fibre movement in drafting
Week 10 :Objectives of drawing, Design features and working mechanism of drawframe. Drafting unit, drawing rollers, Drafting roller arrangement and its significance , package formation,Autoleveller in drawframe, Sliver irregularity and its control
Week 11 :Theory of drafting, Vasileff’s model of drafting, drafting wave, Drafting force , draft vs drafting force, Roller setting: analysis of roller setting,influence of roller setting
Week 12 :Drawing process and its influence on fibre configuration in sliver, Draft and production calculation
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