Principles of spinning : fibres and blow room cotton processing in spinning Chapter 1. Combing Preparation1.1Short Fibres1.2Problems with short fibres1.3Objects of combingChapter 2. Preparation for combing2.1Earlier History2.2Fibre arrangement in card sliver2.3Fibre presentation2.4Fibre parallelization2.5Post comb draft & Number of doublings2.6Comber preparatory machines2.7Improvements in Sliver Lap Machine2.8Improvements in Ribbon Lap Machine2.9Lap Former2.10Super Lap Former2.11Effect of Lap Preparation System on waste extracted at Comber2.12Some Experiments with Pre Comb Draft & Fibre Presentation2.13Staple length & pre comb draft2.14Effect of heavier laps on comber noilChapter 3. Comber3.1Introduction3.2Cycle of operation3.3Aspirator3.4Detachment3.5Web delivery3.6Drive to main parts3.7Index cycle3.8Combing cycle3.9Motion to various parts3.10Brush shaft & aspirator3.11 Web condensation and drawing3.12Draw box and coiling3.13CoilingChapter 4. Important Comber Settings4.1Bottom Nipper & Steel Detaching Rollers4.2Quadrant Setting4.3Positioning of Nipper Pivot Stud4.4Bottom Nipper & Cylinder Half Lap4.5Top Comb4.6Other Settings on Comber Affecting Comber NoilChapter 5. Cylinder & Top Comb Needling Arrangement5.1Cylinder Needling5.2Top Comb Needling5.3Uni CombChapter 6. Other Aspects6.1Double Combing6.2Combing of Blends6.3Combing Operation & Quality6.4Fractionating Efficiency6.5Combing & Cutting Ratio1286.6Fibre Loss in Combing & Control of Comber NoilChapter 7. Faults in Comber7.1Damage to Half Lap & Top Comb7.2Uneven & Inadequate Nipper Grip Feed Roller Grip Detaching Roller Grip7.3Curling of Fibres in the Web7.4Holes in the Web7.5Uncombed portion in the Web7.6Plucking7.7Cutting Across7.8Web not coming through Heads7.9Lap running slack between Lap Roller & Feed Roller7.10Lapping on Detaching Rollers7.11Flocking of waste on Cylinder Needles7.12Excessive loss of Long Fibres7.13Irregular Draw Box Sliver7.14Post Comb Drawing FramesChapter 8. Features of Modern Comber8.1Feed8.2Nippers8.3Cylinder Needling8.4Top Comb8.5Detaching Rollers8.6Web Condensation & Sliver Table8.7 Draw Box8.8Coiler8.9Larger Diameter of Cylinder8.10Avoiding Inverse Air Flow by Brush8.11Nylon Filters for Noil Collection8.12Head Stock8.13Combing Parameters & Yarn Quality8.14Comber Lap8.15 Comber Waste8.16 Waste Level & Comber Settings8.17Innovation in Comber (Double Sided Comber)Chapter 9. Comber Calculations9.1Sliver Lap Machine9.2Ribbon Lap Machine9.3Super Lap Machine9.4Comber9.5Whitin Comber9.6Solved Examples9.7Exercises9.8Solved Examples ⁰́₃ Comber9.9Some Typical Examples on Fractionating Efficiency9.10Exercises