An experimental design method was used in order to determine the most relevant parameters as well as the crossing effects to be considered in mechanical splicing. This approach was applied in order to establish a statistical model to predict the splicing properties of thick and medium cotton yarns for denim fabrics. This model shows that the change in the value of drafting has no influence on the properties of the mechanical splicing. Moreover, high values of untwisting and low re-twisting values improve those properties. The result proved that in optimal conditions, and in contrast to pneumatic splicing, the yarn linear density has no influence on the properties of splice. Therefore, mechanical splicing may be used for a wide range of yarns.
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