Yarn Manufacture – II detail TNDTE Diploma syllabus for Textile Technology (TX), M scheme is extracted from TNDTE official website and presented for diploma students. The course code (36042), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.
For all other textile tech 4th sem syllabus for diploma m scheme tndte you can visit Textile Tech 4th Sem Syllabus for Diploma M Scheme TNDTE Subjects. The detail syllabus for yarn manufacture – ii is as follows.
Rationale:
The basic idea about Comber, Speed Frame, Ring Frame and the working of the various components of the spinning process. The students will be able to understand the objects, principles and Modern developments in Comber and Speed Frame, principles of doubling and drafting in Comber and other functional components. This will enable the students to perform the necessary setting changes required for processing different counts and do calculations related with the production and efficiency of the machines, draft applied etc.
Objectives:
- To know about the combing process, preparatory machines to comber and its working.
- To know about the combing cycles, setting between top comb to Nipper and
- Nipper to Unicomb.
- To understand the salient features of modern comber.
- To understand the passage of material through speed frame and its working.
- To know the objects and working of building mechanisms and differential motions in fly frame.
- To know about the working of ring frame.
- To understand the Different types of Top Arm drafting systems.
- To acquire knowledge of the Building Motion.
- To know about the special attachments like auto doffing.
- To know about the compact spinning system.
- To know the salient features of modern Ring frame.
- To learn the methods of Dry and Wet doubling machine.
- To study the Plain Reel and Cross Reel with 7 Lea Motion.
- To get knowledge in Bundling and Baling process.
Detailed Content:
Unit I
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Unit II
Speed frame
Speed Frame – Objects – Passage of material through the Speed Frame. Functions of different parts of the speed Frame. Roller setting and its importance. Study of different top arm drafting system – SKF and SUSSEN. Principles of winding – Flyer lead and bobbin lead. Functions of the cone drums and differential motion. Objects and brief study of builder mechanism – English Builder. Brief study of servo drives in speed frame. Salient features of modern speed frames. Defects in speed frame roving – causes and remedies. Monitoring device – sliver and roving stop motion -Calculations pertaining to draft, twist and production.
Unit III
Ring frame
Ring Frame – Objects and passage of material through the Ring frame. Functions of different parts of the Ring Frame. Traverse motion for roving feed and its importance. Functions of drafting rollers, aprons, cots, and spacers. Study of top arm drafting systems – SKF, SUSSEN and Lakshmi High Drafting systems. Brief study of different types of rings and travellers and high speed spindles. Study of winding and binding coils and spindle driving systems. Study of working of building motion – cop builds, ring rail movement,. Running-in procedure for new Rings. Roller stands inclination and its effect on spinning tension. Calculations pertaining to draft, twist and production.
Unit IV
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Unit V
Doubling, Reeling, Bundling and Baling
Doubling – Objects and methods of doubling. Working & passage of material through wet & dry doubling machine. Direction of twist in doubled yarn and its relation to single yarn. Balancing of twist in doubled yarn. Calculation of resultant counts. Study of Doubler winder, Passage of material through Doubler winder. Working and salient features of Two-for-one-Twister. Reeling: objects, types-straight and cross reeling, Study of working of 7 lea and cross lea motion. Study of doffing mechanism. Bundling, Baling and Packing: Objects of bundling and baling. Need for bundling weight correction and its importance. HDPE bag and pallet packing. Checking procedures for EOU.
Text Books:
- Cotton spinners Hand book Jaganathan.R Mahajan Brotheres Ahmedabad 380009 1976
- Cotton waste industry Srinivasamoor thy.H.V Victoria Jubilee Technical Institute,Matunga, Bombay 400019 1976
Reference Books:
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For detail syllabus of all other subjects of BE Textile Tech, M scheme do visit Textile Tech 4th Sem syllabus for M scheme.
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