Process control and yarn quality in spinning / G. thiligavathi, T. Karthik

1. Quality management
1.1 What is quality
1.2 Quality as input-output systems
1.3 Quality feedback cycle
etc

2. Application of statistics in textile
2.1 Introduction
2.2 Measure of central tendency
2.3 Measures of variation
etc

3. Cotton fibre selection and bale management systems
3.1 Introduction
3.2 Cotton
3.3 HVI
ETC

4. Control of waste in spinning
4.1 Yarn realisation
4.2 Control of blow room waste
4.3 Control of card waste
etc

5. Control of neps and fibre rupture
5.1 Introduction
5.2 Guideline values for neps in bale as per uster
5.3 Evaluation of machine efficiency
ect

6. Control of count, strength and its variation
6.1 Introduction
6.2 Control of count
6.3 Control of count variation
etc

7. Yarn eveness and imperfection
7.1 Introduction
7.2 Categories of yarn fault
7.3 Unvenness
etc

8. Short-term irregularity
8.1 Autoleveling
8.2 Autolevellers in carding
8.3 Autolevellers in draw frame
etc

9. Interpretation and analysis of diagram, spectrogram and V-L curve
9.1 Introduction
9.2 Measure principle of mass evenness
9.3 Normal diagram
etc

10. Control of yarn hairiness in spum yarms
10.1 Introduction
10.2 Parameters influencing the generation of yarn hairiness
10.3 Influence of ring frame paprameters on yarn hairness
etc

11. Yarn faults
11.1 Introdcution
11.2 Distinctions between frequent and seldom occurring yarn faults
11.3 Causes for seldom occurring yarn faults
etc

12. Productivity of a spinning mill
12.1 Introduction
12.2 Productivity indices
12.3 Control of end-breaking rate in ring spinning
etc

13. Yarn quality requirements for high speed machines
13.1 Yarn quality requirements for hosiery yarn
13.2 Yarn quality requirements for export
12.3 Yarn quality characteristics of sewing thread
etc

Includes bibliographic references . _ Index : p.399-410