About Yarn Manufacturing Practical I
Practical study in blow room: Passage of material through blow room Calculation of speed and settings of beaters and fans Gearing diagram of machines in blow room Production calculations in blow room Cleaning efficiency of blow room Practical study on card: Passage of material through carding Calculation of speed Card setting Calculation of draft, draft constant, Production Quality control studies in carding Practical study on draw frame: Passage of material through draw frame with line diagram Calculation of calendar roller speed, coiler speed and can speeds with the gearing diagram Calculation of speed of drafting roller with the gearing diagram Calculation of draft and draft constant Wrapping practices Production calculations Demonstration of setting of rollers and change of draft gears. Practical study on comber: Passage of material through a combing machine Study of the various parts of the combers Calculation of production rates Study on combing efficiency and noil extraction Demonstration of setting of combing machine parts and the tools used for setting the cards