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Study on Performance of Modified 3rd Drawing Machine in Jute Processing to Produce All Jute and Blended Fine Yarn.

Md. Mazedul kabir
SO
Machinery Development and Maintenance, Mechanical Processing Division, BJRI

Dr. Md. Osman Ghani Miazi
Chief Scientific Officer
Mechanical Processing Division, BJRI

Dr. A.K.M. Mahabubuzzaman
PSO
Mechanical Processing Division, BJRI

Md. Kamal Uddin
Director (Technology)
Director (Technology), BJRI

Abstract/ Executive Summary:

In this experiment, existing pins of 3rd Drawing frame were replaced by new sets of pins with different density, size and shape and yarns were produced from both systems. Physical properties of produced yarn were tested and found modified pins density shows better quality yarn.

Keywords: Drawing machine, Blended yarn, Pin density, Pitch

Location: Machinery Development and Maintenance, Mechanical Processing Division, BJRI , Dhaka

Start Date: 01-06-2006

End Date: 30-06-2009

Program Area: Resource Development and Management

Commodity: Jute products

Objectives:

To improve the quality of the out-put sliver, this sliver will produce regular and fine jute yarn with higher quality than the traditional system. To observe that how these modification of the Drawing machine will behave with jute and blended fibre and what types of effects will happen in fine jute yarn quality.

Methodology:

Drafting zone of the existing 3rd Drawing machine will be improved by changing the arrangement of pins in the faller bars. Gap between pins on the faller bars, size & shape of faller bar and speed of the drafting zone are responsible for the quality of jute sliver. Pin arrangement and its distribution can improve the sliver quality for the production of fine jute yarn. Literature review/Previous study about the work has been done. Design and specification for the change of system has been completed.

Source of Information: Annual Technical Report: 2008-2009 Page: 82-84, BJRI

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 1,50,000/-(One lac fifty thousand taka)

Total Budget (Tk.) : 1,50,000/-(One lac fifty thousand taka)

Achievement/Findings:

In this experiment, Tensile strength, Quality ratio, Coefficient of variation, Standard deviation of produced yarn from existing and modified (different pin density) was determined. Modified 3rd Drawing frame shows better yarn physical properties compared to the existing 3rd Drawing frame. The yarn quality was better for modified system. The produced yarn was more regular and uniform compared to the existing drawing frame. As a result, pin arrangements of the drawing machine shows positive impacts on yarn properties.

Knowledge Management: Report/Proceedings