Ring spinning vs. open-end spinning
Ring spinning vs. open-end spinning
Open-end spinning (Rotor spinning): A high-speed process that produces coarser yarns with a more uneven texture. It is more energy-efficient and cost-effective, making it ideal for denim, towels, and casual wear.
Ring spinning: A slower process that produces smoother, finer, and more uniform yarns, often used for high-quality fabrics such as dress shirts and bed linens.
While open-end spinning is faster and economical, ring spinning is preferred for producing premium-quality yarns.
Yarn numbering systems
Yarn numbering systems
There are two main yarn numbering systems:
Direct system: Measures weight per unit length (e.g., denier and tex). A higher number indicates a thicker yarn.
Indirect system: Measures length per unit weight (e.g., Ne and Nm). A higher number indicates a finer yarn.
For example:
Nm 1: One metre of yarn weighs one gram.
Nm 30: Thirty metres of yarn weigh one gram, making it a finer yarn.
In the case of plied yarns (e.g., 30 Ne with two plies), the yarn count is divided by the number of plies before converting to Nm.
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