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Predicting sewing thread consumption for lockstitch using regression model

VIinay Kumar Midha (Department of Textile Technology, Dr B R Ambedkar National Institute of Technology Jalandhar, Jalandhar, India)
Shailja Sharma (Department of Textile Technology, Dr B R Ambedkar National Institute of Technology Jalandhar, Jalandhar, India)
Vaibhav Gupta (Department of Textile Technology, Dr B R Ambedkar National Institute of Technology Jalandhar, Jalandhar, India)

Research Journal of Textile and Apparel

ISSN: 1560-6074

Article publication date: 12 September 2016

165

Abstract

Purpose

This paper aims to develop a single regression model (instead of developing models separately for each thread type) to predict the sewing thread consumption for cotton and polyester staple spun threads.

Design/methodology/approach

A single regression model is developed for predicting sewing thread consumption for cotton and polyester threads. The polyester sewing threads have lower sewing thread consumption as compared to cotton threads because of their higher elongation behaviour. The model differentiates between the cotton and polyester sewing threads using their elongation values at peak levels of tensions experienced by the sewing threads during stitch tightening. By comparing the estimated thread consumption values with actual values, the effectiveness of model is evaluated with root mean square error and coefficient of determination (R2).

Findings

During the sewing process, by understanding the behaviour of different types of sewing threads, it is possible to develop a single regression model for all types of threads.

Practical implications

The sewing thread consumption can be easily calculated for cotton and polyester sewing threads using a single regression equation using the sewing assembly thickness, stitch density and elongation of thread at peak tension. The garment manufacturers need not depend on different charts for sewing thread consumption for stock management.

Originality/value

The sewing thread consumption is different for different types of threads, and garment manufacturers have to depend on different charts given by sewing thread manufacturers or use different equations for each type of threads. Using this single regression equation, sewing thread consumption for cotton and polyester sewing thread can be estimated accurately.

Keywords

Citation

Midha, V.K., Sharma, S. and Gupta, V. (2016), "Predicting sewing thread consumption for lockstitch using regression model", Research Journal of Textile and Apparel, Vol. 20 No. 3, pp. 155-163. https://doi.org/10.1108/RJTA-08-2016-0019

Publisher

:

Emerald Group Publishing Limited

Copyright © 2016, Emerald Group Publishing Limited

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