Fabric structure: Brief introduction to fabric viz. woven, knitted and non-woven. Woven fabric structure: classification based on weave. Designs, draft and Peg plan for Plain, Twill and their derivatives, Weaving preparatory: Object of various preparatory process. Sequence of machines for long cloth, poplins and printed dress materials, suiting-shirting fabric checks and stripes, Sari-Dhoti etc.
Warp Winding Object, Classification of winding m/c’s. Passage of yarn from Rotoconer & Auto-coner-various mechanisms: tensioners, yarn clearers, traverse mechanism. Concept of knotter and splicers, production calculation, package faults. Weft winding: Object, pirn shape, passage of Hacoba pirn winder- Traverse mech, bunch building mechanism, diameter control, thread stop motion,. Features of automatic pirn winder-. Auto doffing mechanism.
Classification of warping m/c, object of each machine Beam warping-passage, thread stop moton, length measuring device. Horizontal Sectional warping machines; passage, traverse mechanism and its calculation. Warping calculation, efficiency and production calculation, beam defect with remedies.
Sizing : Object, sizing ingredients, size preparation, classification of sizing m/c, working principles and passage of slasher sizing machines-size box and its development, drying mechanism, Calculation on size concentration, dryer capacity and speed of sizing. Factor affecting size take up, Size-recipe for cotton, PV, PC warp, sizing defects and remedies.
Drawing in : accessories and tools, manual drawing in process, heald and reed calculation, semi automatic and fully automatic drawing in machines. Beam gaiting process, Warp Tying in: essential requirement, tying in stand, knotters, warp tying in process. Warp welding, QSC
After completion of the course student will be able to:
This subject is on page 5, 6 of the original AKTU PDF.
