International Journal of Engineering Inventions

Preventive action for roving breakage

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Analysis on the Defects in Yarn Manufacturing Process

5.5.6.4 Preventive action for roving breakage
This problem is caused due to maintenance problem. Maintenance required machine stoppage but it is against
the production. To enhance the quality of product, the machine maintenance is the chief requirement. For the
proper solution of roving breakage, speed of machine, trained operator and proper management should be must
otherwise it create sever problems in ring section.
5.6 Ring Spinning Section
The input of ring frame is roving which comes from roving section this is final stage where yarn is make. Here
in this section need more drafting to reduce the liner density of roving and more twist to make a yarn. The
output of ring frame is yarn which is wound on a ring bobbin which is used for next winding process. Here also
describes the clear view of ring frame objective, technical points, preventive action and defects which affect the
yarn quality.
Fig. 19 Diagram of Ring spinning section
5.6.1 Function of Ring Process
There is a different function of Ring Spinning process in which roving is converted into yarn through passing
different zone like drafting, twisting and winding zone. There are three important zone of Ring processes
below here:

Drafting Zone

Twisting Zone

Winding Zone
Fig. 20 Diagram of Ring spinning process

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

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Page | 62
5.6.1.1 Drafting Zone
Drafting is the first zone of ring process and is very important part of machine and mostly effects on the
evenness and strength of yarn. In quality point of view, there are many points which are related to the quality of
drafting system.

Type of the draft

Selection of drafting parts like apron, rubber cots

Range of draft

Draft designing and setting

Service and maintenance

Type of perforated drum
Fig.21 Diagram of Drafting System

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