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To Study the Effect of Variation of Draft at Various Processing Stages.

Md. Khairul Kabir
CSO
Mechanical Processing Division, BJRI

Abul Hussain Khan
Mechanical Processing Division, BJRI

Abstract/ Executive Summary:

Two grades of fibers, BWC and BWD were processed separately with same machine parameters. But the different quality fibers opposite results. Yarn of BWC from slivers of lower draft was found better in respect of strength and regularity whereas yarns of BWD fibres was found beter in quality when processed with higher drafted slivers. Yarns processed with middle drafted slivers did not give results as per expectation. So more experiments are to be carried out with other qualities of fibers to reach a definite conclusion.

Keywords: BWB, BWC, Breaker card, Finisher card

Location: Mechanical Processing Division, BJRI

Start Date: 01-01-1986

End Date:

Program Area: Postharvest and Agro-processing

Commodity: Jute

Objectives:

1.To reduce manufacturing cost of jute products by optimizing processing parameters and machine factors.

2.To find out the effect of draft change at spinning frame for a constant count of yarn with different weighted slivers.

Methodology:

Two batches of BWC and BWD jute fiber were taken and piled with normal 25% emulsion. Then after 48 hours the fibers were processed separately through B/Card, F/Card, 1st and 2nd drawing frames with same draft for each machine. In order to get three different weighted slivers, three different drafts were used in 3rd drawing frame. These different weighted slivers were then fed to slip-draft spinning frame and 276 tex (8 lbs/spy), 344.5 tex (10 lbs/spy) yarns were spun and tested.

Source of Information: Annual Technical Report: 1995, Page: 108-110

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 12000

Total Budget (Tk.) : 12000

Achievement/Findings:

Yarns of BWC and BWD quality fibers showed two opposite results that is yarns of lower drafted BWC fibre and that of higher drafted BWD fibre showed better results.

Knowledge Management: Report/Proceedings