   ! " # $%&!'&$%&() *+ !', -)%.%&)) /0&1&))2%)(3$, $)4442.56727))2%) )&89$0& ):.56 $;  [...]... patta .Yarn strength decrease .Overall yarn quality deteorates # Bag handling & storage .Cone damage .Count & lot mixing .Overall yarn quality deteorates # Control of SECDS .Missing & wrong stickers .Missing & wrong lot no .Paper cone condition TOPIC : SELECTION OF RAW COTTON WITH RESPECT TO COUNT AND PROCESSING MACHINERY Pre-Ginning : Cotton Fibre quality depend on the following points to a... variation control Waste control Key Control Parameters Of spinning Floor : Lap forming & Combing :     Control of lap weight Comber speed Noil (Comber waste) extraction Neps in combed sliver Drawing :   Drawing speed Sliver uniformity/Regularity control Simplex Fly Frame/Roving Frame :    Flyer Speed Twist level Frequency of process change Ring Spinning :    Spindle speed Twist level Frequency... Breaking strength 16 17 18 19 20 1/8″ Elongation 21 22 23 24 25 Colour / reflectance 26 27 28 29 30 Nep content Leaf content Trash content Microdust content Fibre fragments content Key Control Parameters Of spinning Floor : Raw material / cotton fibre selection :        Fibre length & its uniformity Fibre strength Short fibre content Fineness (mic.) Maturity Nep content Color Mixing :   Contamination... strength 16 17 18 19 20 1/8″ Elongation 21 22 23 24 25 Colour / reflectance 26 27 28 29 30 Nep content Leaf content Trash content Microdust content Fibre fragments content Relationship between yarn & fibre quality characteristics ( Rotor spun yarn ) Yarn Evenness ( U% / CV% ) Thin places Breaking tenacity Thick places Breaking elongation (% ) Hairiness (H) (Fmax/tex) Neps/1000 m yarn Fibre Classimat faults/100 . 4 I)%):33> . D . 1 . B' I$&0) . , . , . B' F<))):< . . . . . ) . B .  . 8, . BJ . 9 . , . 4 . )( .  TOPIC : SELECTION OF RAW COTTON WITH RESPECT TO COUNT AND PROCESSING MACHINERY.