JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives:

• 1. To learn about the working of precision winder and drum winder
• 2. To learn about the calculation of pattern in sectional warping
• 3. To learn about the winding speeds in precision winder for different steps
• 4. To learn about the working of Pirn winder and calculation of traverse speeds
• 5. To learn about the dismantling, assembling, setting and timing of cone over pick and beat up motions

Course Outcomes

(Graduate to have)

• 1. An ability to decide the requirements for winding in precision winding machines
• 2. An ability to assess the package of drum wound and precision wound packages
• 3. An ability to plan for different patterns in sectional warping
• 4. An ability to select the tensioning levels in winding, warping and pirn winding
• 5. An ability to set the winding, warping and pirn winding machines for processing different types of fibres or sorts
• 6. An ability to set and time primary mechanisms of the loom for different sorts.

List of Experiments (Minimum of 8 Experiments in the list are to be performed)

• 1. Passage of material through precision winding machine speed, production and efficiency calculations
• 2. Determination of coil angle, coils/inch, wind in warp winding
• 3. Study of slow speed pirn winding and production calculations
• 4. Study of high speed, automatic pirn winding and production calculations
• 5. Study of sectional warping – Passage of material, speed and production calculations
• 6. Passage of material through Non-automatic and Automatic looms production and loom efficiency calculations
• 7. Dismantling and Assembling of shedding mechanism (Demonstration)
• 8. Dismantling and Assembling of cone-over pick mechanism
• 9. Dismantling and Assembling of cone-under pick mechanism
• 10. Dismantling and Assembling of side lever under pick mechanism
• 11. Dismantling and Assembling of beat-up mechanism Study of eccentricity of sley. Determination ‘e’.