Raw cotton selection principles
Fabric quality is closely related to the quality of the yarns that make up the fabric, and the quality of the yarns depends on the properties of the raw materials. Raw materials are the main basis for selecting the spinning process, machine model and process parameters. Due to the different raw materials, linear density, uses and finishing characteristics of spinning yarns, raw material selection can be divided into two categories: raw cotton selection and chemical fiber selection. Raw cotton selection (1) Raw cotton selection principles (1) When producing multiple varieties, the priorities should be distinguished according to the quality requirements. On the basis of unified arrangement of raw cotton, the use of cotton for key products should be ensured. (2) It is necessary not only to ensure the quality of the yarn and reduce end breaks, but also to save raw cotton and reduce spinning costs. (3) Cotton should be allocated according to the raw cotton in stock, raw cotton on the car and the arrival trend; extend the service life of each batch of raw cotton and strive to achieve multi-mark production. (4) Be familiar with the quality of raw cotton, fully grasp the feedback information of product quality, and adjust the cotton distribution flexibly and carefully. Implement the above cotton blending principles, strive for long-term stable quality and stable production, and ensure that the cotton blending ingredients are consistent with the ingredients on the truck.
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