Objectives of Mixing:
Mixing is one of the most important aspects in achieving good yarn quality in cotton spinning mills.Below are the three objectives of mixing different varieties of cotton bales.
1.To achieve homogeneous mixing of fiber.
2.To achieve desired spun yarn quality.
3.To achieve minimum cost.
Types of Mixing:
Below are the regular mixing types which are in practice in the conventional spinning mills.
20s Mixing
30s Mixing
Polyester/Cotton (P/C)Mixing
20s Mixing:
20s Mixing is used for 24 EXP Quality yarn,24 Local quality yarn and P/C yarn quality.
Example of percentage of cotton varieties mixed in 20s Mixing as below
1.J-34 Saw gin cotton (60%)
2.LRH Super (10%)
3.NHH 44PC (20%)
4.F414 ST (10%)
30s Mixing:
30s Mixing is used for 30 EXP quality yarn,40 EXP quality yarn.
Example of percentage of cotton varieties mixed in 30s Mixing as below
1.H4 (80%)
2.LRA (10%)
3.FRFC (10%)
Polyester Mixing:
Example of percentage of polyester varieties mixing is as below.
1.S4 (50%)
2.MECHI (50%)
Source: Educational Qualification ,Teaching and Industrial Experience of the Author.
About author related to this article.
Author has worked in cotton spinning mills in below mills
1.Sri Anjaneya Cotton Mills,Davanagere.
2.Forbs Gokak Ltd.
Note: This article or information will be updated as and when required.
