JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

YARN MANUFACTURE – II LAB

B.Tech II Year II Semester (R22)

Course Objectives:

  • 1. To learn about the elements of Draw frame
  • 2. To learn about the simplex
  • 3. To calculate the speeds of various elements in above machines
  • 4. provide the knowledge about different machinery used for the conversion of yarn
  • 5. To Educate and understand the importance of parameters in relation to the quality and

Course Outcomes (Graduate to have)

  • 1. An ability to understand the Production calculations in Draw Frame and Comber
  • 2. An ability to carry out quality control aspects of product produced
  • 3. An ability to set the machinery for different types of fibres used for the specific quality products
  • 4. An ability to understand the different parameters which affect the process, production and quality of yarn
  • 5. An ability to test the product of draw frame and simplex
  • 6. An ability to select the process parameters of above process

List of Experiments:

  • 1. Material passage through Draw frame and functions of important parts in Draw frame
  • 2. Calculations of speeds of various parts like drafting rollers, coiler calendar roller, feed roller, drafts and production etc.
  • 3. Calculations of Break Draft constant, Draft constants change pinion for different range of drafts.
  • 4. Material passage through speed frame and functions of important parts
  • 5. Calculations of speeds of various rotating parts in fly frame
  • 6. Calculations of Total Draft, zonal Draft, Break draft, twist constant, production constant
  • 7. Study of Builder mechanisms and calculation of Bobbin Rail movement, No.of layers on the bobbing, coils/inch.
  • 8. Passage of material through Ring frame with the help of line diagram.
  • 9. Calculation of speeds of drafting rollers of ring frame with the help of diagram and draft calculation in Ring Frame.
  • 10. Calculation of spindle speed with the help of gearing diagram and calculation of twist per inch, traveler speed.
  • 11. Calculation of draft constant, twist constant with the help of gearing diagram and problems pertaining to draft constant and twist constant in Ring Frame
  • 12. Spin plan and production calculation.

Loading Question Papers

Fetching data from database...