SylbV01-00-00. pmd

BLOCK 5:
Post reeling technology
Unit 1:
Doubling, twisting and weaving
Silk throwing, weaving, warping and wefting, silk doubling and
twisting, by-products of reeling units, types of reeling waste (brushing
waste, reeling waste, cooking waste, re-reeling waste, throwing waste
and pelade layer) as raw material for spun silk industry.
Unit 2:
Marketing of raw silk
Factors influencing the assessment of rawsilk quality. Role of silk
exchange, auctioning of raw silk based on physical and mechanical
properties and economics of silk reeling.
VII. Practicals
• Classification of cocoons of silkworm breeds;
• Study of Physical and Commercial characters of cocoons;
• Study of mode and time of cocoon transportation and marketing;
• Cocoon sorting, methods and estimation of defective cocoons;
• Cocoon stifling methods and estimation of drying and moisture percentage;
• Practising of cocoon cooking and brushing methods;
• Estimation of reeling and cooking waste percentage;
• Reeling appliances and practising reeling on Charaka and improved Charaka;
• Study of reeling appliances and practising reeling on Cottage basin and Domestic
basin;
• Visit to government filature to acquaint with large scale reeling on Multiend reeling
machine;
• Visit to Automatic reeling machine unit at Ramanagara;
• Silk examination, skein making and book making;
• Study of Reeling water and its quality;
• Amelioration of silk reeling water and its importance;
• Study of physical properties of mulberry raw silk;
• Study of microscopic examination of silk bave;
• Study of quality tests of raw silk and By-products in silk reeling;
• Visit to Central silk technological research institute, Bengaluru.
VIII. Teaching Methods/ Activities
– Lectures
– Assignments (Reading/ Writing)
– Text Books
– Student presentations
– Experimentation
– Group discussions
– Group work
– Laboratory exercises
– Scientific journals and periodicals