International Journal of Engineering Inventions

Preventive action for curly cotton

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Analysis on the Defects in Yarn Manufacturing Process

4.1.8.3 Preventive action for lap licking
4.2.1 Objective of Carding Section

4.1.8.2 Preventive action for curly cotton

For getting good quality product it is necessary to keep trained staff for maintenance point of view.
There is a need of technical person who have full grip on their work. They should check the setting of
machine and to keep machine update to avoid the problems. Machine setting must not be wide not so
close to avoid curly cotton problem. [40]
4.1.8.3 Preventive action for lap licking

In order to prevent from lap licking it is necessary not to mix soft waste during mixing process.

Avoid sticky nature cotton as in case sticky nature cotton then as a preventive action inside temperature
of department is to be controlled. In this case low relative humidity and high temperature is needed.

4.2 Carding Section
The second step in the yarn manufacturing process is the carding. The blow room transfers the open
cotton to this section through a pipe line for further process. Carding is the heart of spinning mill and in this
section maximum cleaning of cotton is done. In this stage the cotton is more opened and separates the fiber
individually. In this section the material is collecting in a can in the form of rope (the technical word is silver).
This section also describes the technical point, critical success factor, preventive action and also describes the
defects rate which affects the yarn quality.

Analysis on the Defects in Yarn Manufacturing Process & its Prevention in Textile Industry

www.ijeijournal.com
Page | 54
Fig.12. Diagram of Carding section
4.2.1 Objective of Carding Section

To open the flocks and separate the fiber individually.

Cleaning or elimination of impurities.

Reduction of neps formation.

To change the fiber into longitudinal direction or fiber alignment.

Fiber blending.

Removal of short fiber.

Formation of sliver.

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