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FINAL TECHNICAL REPORT

 

A critical international bench mark survey of yarn quality and productivity and development of an action plan for the Indian industry

 

 Year of Publication

 2000

 Publication Code

 03.2.52 /  115 pages

 Price per Copy

 

 Indian Customers

 Rs. 250/- + Rs. 50/- as courier charges

 Foreign Customers

 USD 15 + shipping charges [varies with location]

Payment Method

 

CONTENTS

  • Introduction

  • Raw material quality

  • Neps at picking and ginning of cotton fibres

  • Neps in spinning processes

  • Observations in leading local mills

  • Raw material used

  • Contamination picking

  • Machinery set-up

  • Process

  • Material Handling

  • Quality assurance and quality level achieved

  • Maintenance practices

  • Training to the workers and work culture

  • Performance of spinning mills in south east asian countries

  • Indonesia

  • Phillippines

  • Malaysia

  • Layout of mills’ pattern

  • Raw material used – cotton and synthetic blends

  • Preparatory system – cotton and synthetic blends

  • Ring frames and post spinning operations

  • Production levels

  • Winding

  • Yarn quality level

  • Final inspection, packing and container stuffing

  • Mills’ Operational details

  • Report on impression of itma-99, Paris

  • Action plan for improving quality

Tables

  • Quality of Raw material used for 40s combed – India & abroad

  • Picking time vis-a-vis cotton fibre properties – cotton dch-32

  • Maturity ratio vis-a-vis neps

  • Average neps and nep size in kapas and lint – j-34 cotton

  • Critical nep size

  • Neps and nep size in spinning

  • Effect of cushion plate to half lap setting in comber on nep size in combed slivers – 90s mixing

  • Effect of top comb penetration depth on nep size in combed material – 90s mixing

  • Quality level – cotton single yarn – India vs. Abroad

  • Quality levels of cone cotton single yarn in a south east asian mill

  • Quality levels of cone cotton doubled  yarn in a south east asian mill

  • Quality levels of cone yarn for polyester/cotton blends in a south east asian mill

  • Quality levels of yarn for 100% Polyester and 100% Viscose in a south east asian mill

  • Break-up of cost structure in percentage of sales value for different heads in different countries of south east asia

 Graphs

  • Neps frequency distribution – j34 cotton

  • Nep size distribution –j34 cotton

  • Seed coat neps distribution –j-34 cotton

  • Seed coat nep size distribution – j-34 cotton

  • Frequency distribution of neps/g as per size for raw material to roving  - 40s combed

  • Frequency distribution of neps/g as per size for raw material to roving – 100s combed

  • Neps/g vs nep size in spinning processes – 40s

  • Cumulative nep size vs percent of neps – 40s

  • Cumulative nep size vs percent of neps – 100s

  • Effect of hank of sliver on nep size [ nep size above 500 microns]

  • Effect of hank of sliver on nep size [nep size above 650 microns]

  • Effect of cushion plate setting on nep size [nep size above 650 microns]

  • Effect of comber speed on nep size [nep size above 650 microns]