Objective of doubling/Yarn doubling process/Types of doubling/Two for one twister machine/T.F.O

Описание: Two for one twister machine:

Yarn doubling process:

The process of grouping( combining) two or more individual yarns together and then twisting these combined yarns is called the yarn doubling process.

Objectives of yarn doubling process:

the main objectives of the yarn doubling process are given below:

1 - To improve the tensile strength of the yarn.

2 - To increase the softness of the yarn

3 - To reduce the hairiness of the yarn.

4 - To improve the moisture absorbing capability of the yarn.

5 - To cut the sizing process during weaving.

6 - To improve the evenness of the yarn.

Types of yarn doubling process:

1 - ring doubling machine

2 - two for one twisting machine:

Ring doubling process:

ring doubling process is one stage process. two or more yarn packages are twisted together. the twisting system is the same as the ring frame.

Two for one twister machine:

this is a two-stage process. in the first stage, two or more individual yarns are grouped or combined together with the help of a parallel yarn winding machine. now a definite amount of twist is inserted into the yarn.
Please click on the below video link for more detail:
https://www.textileadvisor.com/2021/0...