The main reasons for yarn evenness and uneven evenness 1. The evenness of the spinning yarn (line density, linear density uniformity) refers to the de…

Line density deviation Due to process, equipment, operation and other reasons, there will be a certain deviation between the linear density of the act…

Yarn fineness index The fineness index of spinning yarn is the same as that of fiber and can be divided into two categories: direct index and indirect…

Examples of yarn process The process flow of some commonly used spinning yarns when spun with new domestic machines is shown in Table 3-3, and the pro…

According to the structure and shape of yarn Spinning yarn is composed of fabric fibers and is a continuous strip with certain mechanical properties, …

A hybrid of wool and silk fibers (1) Impurity content of wool Wool is a natural fiber with a lot of impurities, which is mainly related to the growth …

Impurity content and defect rate of raw cotton (1) Impurity content of raw cotton: The standard impurity content of cotton, top roller cotton is 3.0%….

Conversion relationship between moisture regain and moisture content Moisture content: The weight of water in fabric materials as a percentage of the …

Moisture regain The weight of moisture in a fabric material as a percentage of the dry weight of the material is called moisture regain. Moisture rega…

Mechanical concepts and indicators of friction and cohesion 1. Friction refers to the tangential resistance of two objects in contact with each other …

The relationship between fiber friction cohesion properties and spinning technology During the use and finishing of fabric materials, friction and coh…