What is Rotor Yarn? | Process Sequence of Rotor Yarn Manufacturing Process

Definition of Rotor Yarn | Characteristics of Rotor Yarn | Rotor Spinning Process

What is Rotor Yarn?
In textile spinning sector, open ended spinning or break spinning is considered as rotor spinning. Here, total process flow chart is less than combed yarn as well as carded yarn. One important point should be pointed out here that, roving formation in simplex machine is not needed in rotor spinning where drawn slivers are fed to the machine directly.
Rotor yarn
Rotor yarn
Medium to low quality yarns are produced here which are used for making dungaree, denim, chino, and twill as well as any heavy fabric. Production rate of open end spinning process is higher than ring spinning process where coarse yarns are made within a range of 5 to 40 cotton count. Rotor spinning is too much popular in use because of the higher production rate and less wastage percentage as well as highly usable in denim to make blue jeans.

Properties of Rotor Yarn:
Important properties of rotor yarn have mentioned in the below:

  1. Imperfection index is lower in case of rotor yarn.
  2. Less amount of power needed during rotor yarn manufacturing.
  3. Stiffness is higher in rotor yarn.
  4. Breaking strength is lower in rotor yarn.
  5. Mass irregularity is better here.
  6. Co-efficient of variation (CV %) of strength is higher here.
  7. It has higher abrasion resistance.
  8. Possibility of producing rotor yarn count ranges from 3 to 60Ne.
  9. Energy consumption with productivity is lower in case of rotor yarn production.
  10. Volume is greater here than ring spinning.
Flow Chart of Rotor Yarn Manufacturing Process:
The main flow chart of rotor yarn manufacturing have presented in the following.
Input
Process / Machine Used
Output
Fibre or Bale management
Blow room
Lap
Lap
Carding machine
Carded sliver
Carded sliver
Draw frame
Drawn sliver
Drawn sliver
Rotor spinning
Rotor yarn

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