Itru Publications
Title :New Conceptions and Approaches in Cotton Fibre Testing and Processing Control with Itru Fibre Tester UAK-1++ from Machine Harvesting to Ring Frame and Ring Frame to Fabric Delivery
History :
First written in April 2006
Revised in June 2006 and Presented in 1st Istanbul Textile and Textile Machinery Congress in 1-2 June 2006 -Istanbul -Tuyap -Türkiye under the heading "New Conceptions and Approaches in Cotton Fibre Processing Control With Itru Fibre Tester UAK-1++ From Machine Harvesting to Ring Frame Delivery";
Revised in July 2006 with new additions
Itru Group Ltd
Table of Contents
1.1 Summary of Testing Information Systems 5
1.2 Itru Fibre Tester UAK-1 + Fibre/Sliver/Spinning Technology Information Systems 7
1.3 Optional Modules for integration to Basic Units of UAK-1 S and UAK-1 + 8
1.4 Requirements for Installation 9
2-Application Range : 10
3- Testing Methods, Test Reports Results and Parameters Summarized 11
4.1 Single Report Test Results 12
Raw materials could get dirtied in processing and this may cause severe problems in subsequent processing especially dyeing 16
4.2 Summary Test Results of Comber Noil 17
5-New Conceptions and Approaches 19
5.1 New Methods to Measure Neps and New Terms and Definitions 20
5.2 New Methods to Measure Short Fibre Content Percentage and New Terms and Definitions 28
5.3 New Method of Measurement of Surface Damages of Fibres with % of Surface Damaged Fibres Distribution Range (SDFR%) 34
5.4 New Methods of Measuring the Fineness and Maturity of Cotton Fibres and their Distribution 35
5.5 New Methods of Identifying Different Origins in Sample Tested 41
5.6 New Methods of Optimization of Ratch Setting Distances from Staple Diagram and Fibre Length Measurement in Slivers ( %1 SL from Staple Diagram for Trailing and Leading Sides of the Sliver) 42
5.7 New Method of Determination of CV% of Fibre Parallelism or Degree of Straightened Hooked Fibres 45
5.8 New Method of Measurement of Man-Made Fibres and Colored Cotton Fibres 47
5.9 New Methods of Measuring the Contamination(Trash +Seed Coat Fragments+ % of Yellow Fibre + % of White Spotted Fibres ) and Usable Fibre Content Percent in Raw Material, Sliver and Waste 48
5.10 New Method of Color Measurement of Cotton and Other Fibres 50
5.11 Questions about Fibre Strength gram per tex Measurements 52
6- Itru Cotton Fibre Standardization and Classification Systems 53
7-Comparison with other systems 54
8- In Mill Training Courses , Mill Application and Mill Test Reporting with UAK-1 + 59
Descriptions:
59 Pages in pdf format . The cost of this paper is USD 125 . If you like to read this paper Please Fill in the form below and press submit . Ordering Information will be mailed to you.
Title Processing and Spinning Ability of Cotton Fibres with New Itru Fibre Tester UAK-1+ -3
Contents
1 Introduction.......................................................................................................................................................3
2-Itru Cotton Single Fibre Fineness/Maturity Tester -UAK-SF................................................................................ 4
3- Development of Itru Fibre Tester UAK-1+ and UAK-1S and UAK-SF...............................................................7
4- An Example of Sample Test Report for a Combed Cotton Spinning Mill..............................................................10
4.1.1 Application of Itru Fibre Tester UAK-1+ in Spinning Mills in terms of Spinning Ability and Itru
Cotton Fibre Standards...................................................................................................................................... ..10
4.1.2 Test Results Single Report of a Mix .............................................................................................................14
4.1.3 Fibre Mix Performance Estimation and Comparison with Actual Values of Yarn Quality...................... ...........15
4.2 Measured Test Parameters and Field of Application of Itru Fibre Tester............................................................16
4.3 Field of Application Systems of Itru Fibre Tester in Short Staple Spinning.............................................. ............19
4.3.1 Comparison ,Classification , Selection and Mixing of Cotton Fibres with Itru Fibre Tester UAK-1+...................19
4.3.2 UAK-1+ Summary Test Results for a Combed Spining Mill............................................................................25
4.3.3 Changes in the Fibre Length due to Hook Directions From Carding to Ring Frame ..........................................27
4.3.4 Evaluation of Test Results in General............................................................................................................30
4.3.4 Evaluation of Test Results in General............................................................................................................30
4.3.5 Cleaning Efficiency of Blowroom .................................................................................................................31
4.3.6 Carding Performance Analyses (Card in and Out and Card Flat Waste Analyes).............................................34
4.3.7 Combing Noil and Comb Sliver Analyses ......................................................................................................36
4.3.8 Combed Sliver % of White Specs Analyses........................................................................................... .......37
4.4 Comparison of Measurement of Fibre Properties by Yarn Mass Spectrograph with Itru Yarn Process
Engineering and Itru Fibre Tester UAK-1+ and New Itru Yarn Quality Standards................................................... 40
4.4.1 Yarn Quality Standards according to Fibre Properties at the Ring Frame Delivery............................................41
4.4.2 Itru Yarn Quality Standardization System.............................................................................................. ........44
4.5 Recommendation for Process Improvement Work .................................................................................... .......48
4.5 Recommendation for Process Improvement Work ........................................................................................... 48
5- Correlation Charts ...................................................................................................................................... .....49
5.1 Correlation of Neps/Length in Combed Sliver and Neps count per 1km in Yarn...................................................49
5.2 Micronaire and Maturity Correlation ................................................................................................................52
5.3 Strength Correlation........................................................................................................................................ 53
6-Identification off standard running machinery in Carding and Combing .................................................... .............57
6.1 Polyester/Cotton Blends...................................................................................................................................57
6.2 Analysing of Determination of Faulty Running Heads in Combing Machine and Optimization of
Combing Noil according to Lap Length Properties................................................................................................ ..59
6.3 Measurement of Reactive Black Dyed Cotton Fibres in Processing Stages and Color Matching Analyses in Blends 60
6-4 Optimization of Cut Lengths in Polyester/Cotton and Polyester/Viscose Blends................................................ ..62
7- Cost Reduction , Process Improvement and Productivity Increase with UAK-1+..................................................64
8- New Terms and Definitions with UAK-1+....................................................................................................... ..65
9- References to Knowledge Based Pc-Programs and Short Descriptions.................................................................66
Descriptions:
66 Pages in pdf format . The cost of this paper is USD 155 . If you like to read this paper Please Fill in the form below and press submit . Ordering Information will be mailed to you.
