Summary
Basic Textiles 1.1 Reader 3 summary
- Course
- Institution
Summary of the third reader for the course Basic Textiles 1.1. Part of study program Fashion & Textile Technologies at Saxion University of Applied Sciences.
[Show more]
1 review
By: ninotiernagan • 1 year ago
Seller
Follow
elineoortwijn
Reviews received
Content preview
Reader 3: Spun yarnsGeneral
Spun yarns can be composed of both fibers that are relatively short and fibers that are long
(2,5+ inch).
Yarn numbers
Worsted Count (Nw): the number of 560 yard lengths of yarn (“hanks”) that it takes to
weigh one pound.
A Nw 36 yarn means it takes 36x 560-yard lengths of yarn to weigh one pound.
Usually long staple yarns (wool).
Denier: represents the weight in grams of 9,000 meters yarn.
A 70 denier yarn weighs 70 grams per 9,000 meters.
Tex: weight in grams of 1,000 meters of yarn.
A 20 tex yarn weighs 20 grams per 1,000 meters.
Dtex: weight in grams of 10,000 meters of yarn.
, Ring Spun
Carded Yarns
1. Fibers are plucked from bales and delivered to opening machinery.
2. Machinery separates the fibers, removes heavier trash particles, provides blending
opportunities.
3. Carding converts fibers into continuous strand = sliver.
4. Multiple card slivers fed in 1 or more drawing processes to improve sliver quality.
5. Drawing sliver roving = strand of lightly twisted fibers.
6. Roving is fed into ring spinning machines
7. Yarn is formed, placed onto small bobbins, transported to winding machines.
8. Yarn is wound onto cones/ tubes.
Combed Ring Spun Yarns
AFTER CARDING:
1. Lap winding process
2. Combing
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller elineoortwijn. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $5.42. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79079 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now