B.Tech. Textile Engineering

Indian Institute of Technology Delhi
In New Delhi

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Important information

  • Bachelor
  • New delhi
  • Duration:
    4 Years
Description

Important information
Venues

Where and when

Starts Location
On request
New Delhi
Indian Institute of Technology Delhi,Hauz Khas, New Delhi, 110016, Delhi, India
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Course programme

B.Tech. Textile Engineering

The Department offers an undergraduate programme leading to B.Tech degree in Textile Technology. During the first two semesters, the students take courses in basic sciences, engineering arts and sciences, and humanities and social sciences which are common to students of all disciplines. During the next two semesters, the students take a set of departmental core subjects in Textile Technology. From the fifth semester onwards they opt for departmental elective courses. In the new curriculum, there is increased emphasis on design, product and process development activities. In the final year, students are required to work on a project under the supervision of a faculty member. They also undergo practical training in an industrial establishment as part of their overall engineering education.


Pre-requisites: EC 60
Introduction to fibres for high performance composites. Different fibre architectures used for composites and their characteristics and properties. Influence of fibre architectures on the properties of composites. Unidirectional, planar, 3D and net-shaped performing. Introduction to matrix types and their properties. Polymeric matrices for rigid and flexible composites. Reinforcing materials and the effect of their geometry on the properties of composites. The fibre-matrix interface; role of coupling agents. Mechanism of stress transfer. Toughness and thermal behaviour of composites. Various techniques of composites design and fabrication. Composites for structural engineering, electrical, civil, aerospace, defense, automobile, sporting goods and other applications. Design and analysis of textile structural composites.


3 credits (3-0-0)
Pre-requisites: TTL211 / TTL212 / TTP211
Polymerization, spinning and properties of aromatic polyamides, high molecular weight polyester, rigid rod and ladder polymers such as BBL, PBZT, PBO, PBI. Manufacturing of carbon fibres from PAN precursors, viscose and pitch fibres. Glass fibres. Liquid crystal fibres. Gel spinning of polyethylene. Hollow and profile fibres, design of spinnerette for such fibres. Memberane technology. Blended and bicomponent fibres. Medical textiles. Superabsorbent fibres. Plasma modification. Radiation processing. Industrial tapes. Biaxially oriented films and film fibres. Barrier films and coatings.

TTL321 Mechanics of Spinning Machinery
3 credits (2-1-0)
Pre-requisites: TTL211 & TTL222
Types of gears. Nomenclature of spur and helical gears. Conjugate action and involute tooth profile. Interference. Force analysis in gear drives. Thrust loads. Bevel and worm gears. Velocity ratio of epicyclic gear trains. Differential gearing in roving frame and comber. Design of cone drums for scutcher and roving frame. Flat, V, round and timing belts. Tape drives. Belt drives for special purposes. Adjustment of belt tensions. Chain drives and polygonal effect. Analysis of tensions, torque, bending forces and power transmission in drives. Jaw, friction, cone and centrifugal clutches. Block and other brakes. Force analysis in clutches and brakes. Sliding contact bearings, friction in journal bearings. Classification and use of ball and roller bearings. Equivalent bearing load and load-life relationship. Design of transmission shaft and drafting rollers: Safety factor, tensile, compressive, shear, bending and torsional stresses. Design for static load, lateral and torsional rigidities. Balancing of machines and vibrations, flexible spindles.

TTL322 Mechanics of Spinning Processes
3 credits (3-0-0)
Pre-requisites: TTL221 & TTL 222
Forces acting on fibre during opening and cleaning processes. Carding process. Analysis of cylinder load and transfer efficiency. Fibre configuration in card and drawn sliver. Fibre straightening and hook removal. Sliver irregularity. Fibre movement in drafting field. Suppression of drafting wave. Drafting force. Roller slip, roller eccentricity and vibration. Fibre fractionation in comber. Analysis of forces on yarn and traveller. Spinning tension in ring and rotor spinning. Twist flow in ring and rotor spinning. End breaks during spinning. False twisting principles. Blending of fibres. Evaluation of blending efficiency.

TTL323 Process Control in Spinning
3 credits (3-0-0)
Pre-requisites: TTL221 & TTL222
Importance of process control. Control of mixing quality and cost using LP. Bale management. Control of cotton contamination. Control of cleaning efficiency and waste in blow room and card. Control of waste in comber. Control of neps in sliver. Control of imperfections and faults in yarns. Control of yarn count and count CV%. Control of strength, and strength CV%. Control of periodic mass variations. Machine and energy audit. Analysis and interpretation of statistical data. Total quality control.

TTL324 Spinning of Man-made Fibres and Blends
3 credits (3-0-0)
Pre-requisites: TTL221 & TTL222
Significance of manmade fibre sector. Fibre characteristics and spinnability of manmade fibres. Fibre properties and end uses. Relationship between fibre properties and yarn quality and yarn characteristics. Role of spin finish and fibre crimp in processing. Blending and its objectives. Estimation of blend intimacy and blend irregularity and factors affecting them. Migration. Selection of blend constituents. Rotor, Friction and Air-jet spinning. Process changes for spinning of dope-dyed and fibre-dyed fibres. Effect of blend composition on yarn properties. Processing of man-made fibres and blends on cotton and worsted system of spinning. Production of bulk yarn.

TTL331 Fabric Structure and Analysis
3 credits (2-0-2)
Pre-requisites: TTL231 / TTL232 / TTL221 / TTL222
Introduction to various conventional fabrics like poplin, sheeting, cheese cloth, damask, denim, drill and jean, and gabardine etc. Characteristics and building up of granite weaves. Diamond and diaper weaves. Geometric patterns in checker board weaves. Colour effects in woven fabrics. Honeycomb and huckaback weaves. Leno and gauge structure. Study of whipcord and Bedford cord. Pique. Wadded structure. Extra warp and extra weft figuring. Detailed treatment of backed and double clothes. Interchanging warp and weft structure with figure effects. Center stitched double fabrics. Warp and weft pile fabrics. Velvet and velveteen. Analysis of fabrics referred to above for constructing weave (with draft and peg plan), constructional details and loom particulars etc. Computerized designing. Overview of Indian traditional woven textile designs.

TTL332 Computer Aided Fabric Manufacturing
3 credits (2-0-2)
Pre-requisites: TTL231 & TTL232
Electronic Dobby: Working principle, machine parameters, microelectronics electronics, design features, drive arrangement, systems for pattern data transfer and design development. Electronic Jacquard: working principle, constructional variants, various electronic jacquard systems, selection system, pattern data, transfer and management. CAD for dobby, jacquard, label and carpet: Design algorithm, development of Jacquard designs, process of drafting and sketch design, development of figures, composition of design, geometric ornamentation, arrangement of figures, weave simulation.
Practicals: Working on electronic dobby and electronic Jacquard, working on CAD, development of various designs for Jacquard, level and carpet. Development of design samples.

TTL333 Process Control in Weaving
3 credits (3-0-0)
Pre-requisites: TTL231 & TTL232
Importance and consideration for evolving a system for process control. Machine and energy audit. Housekeeping and material handling. Statistical interpretation of data on waste and quality. Controls for quality, machine stoppage and productivity in winding, warping, sizing, drawing, prin winding and weaving. Standard norms for settings speeds and production rates. Fabric defects and their control. Control and norms of hard waste in various processes. Care, selection and consumption norms of accessories. Importance and types of maintenance, maintenance schedule in winding, warping sizing and loom shed. Machine audit: Energy norms in winding, warping sizing and loom shed and scope of its control. Calculations pertaining to production, efficiency and machine allocation in winding, warping, pirn winding, sizing and loom shed.

TTL341 Polymers and Surfactants for Textiles
3 credits (3-0-0)
Pre-requisites: CYL230 / TTL241 / TTL242
Surfactants, Classification and organic chemistry of surfactants, micellization. Application of surfactants in textilesemulsification, foams, wetting, solid dispersions in liquids, solubalization, detergency etc. Applications of polymers in textiles. Properties and requirements for polymers for sizes, thickeners, binders, adhesive, coating polymers and finishing agents. Chemistry of following polymer/copolymer systems � preferred polymerization technique, desirable comonomers). Commercial process, properties and specific applications: Modified natural polymers-starch/ cellulose/ Guar gum based polymers, poly acrylic/ methacrylic acid, poly (vinyl acetate) and Poly (vinyl alcohol), polyurethanes, Poly (vinyl chloride)/ PVDC/ Fluoro polymers, rubbers/ styrene based polymers,poly (siloxanes) and other related polymers.

TTL351 Apparel Technology
3 credits (2-0-2)
Pre-requisites: TTL231 / TTL232 / TTL241 / TT242
Concept of clothing design and proportion. Fabric properties and their effect on garment properties, production and quality. Anthropometrics; Clothing sizes. Pattern making and grading. Principles of marker making; spreading and cutting. Cutting methods. Quality control in the cutting room. Stitch classification, seam types and their applications. Sewing faults, their causes and remedies. Choice of sewing needles and threads. Principles and comparison of machines available for a variety of sewing operations. Work aids-folders, special presser feet, feeding systems. Interlinings-classification and application. Fusing and pressing machines. Garment breakdown analysis. Clothing production systems and material handling. Garment dyeing and finishing.

TTL352 Clothing Science
3 credits (3-0-0)
Pre-requisites: TTL211 / TTL232 / TTL231
Factors involved in the study of clothing. General functional description of clothing. Physiological and psychological aspects of fabric comfort. Heat and moisture relations in clothing. Physical properties of clothing and clothing materials in relation to comfort; thermal resistance, water vapor resistance, wicking and air-permeability. Influence of environmental conditions of the protective performance of garments. Field studies on the thermal protection of clothing. Bending and shear proeprties, clothing fit and drape. Fabric friction, static electricity and comfort. Aesthetic aspects of clothing. Influence of fiber yarn characteristics and fabric construcution parameters on clothing comfort. Current trends and new developments in the study of clothing. New materials and finishes, new techniques, new concepts.


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