Objectives of speed frame, important parts of speed frame and their functioning, Mechanism involved in drafting, twisting, and winding, different types of roller drafting systems, Common defects in roving package, calculations pertaining to gearing, draft,
t.p.i. and production, twist multiplier and roving twist.
Introduction and objective of ring frame, important parts of ring frame and their functions, principle and mechanism involved in drafting, twisting and winding, Spinning Geometry, Types of rings and travelers, mechanism of cop formation, common package size, calculations related to ring frame machine and its production.
Doubling – Objects and terminology, study of ring doublers, TFO, Reeling: Objects and terminology, types of reeling construction and working of a reel yarn bundling,
Wool-shearing, clipping and grading. Impurities present in wool and their removal, wool scouring and carbonization.
Principles & techniques of manufacturing braided yarn, Spinning of Long staple Fibres like Flax, Jute, and Silk etc.