Spinning process post-processing process
Post-processing steps of spinning process 1. Pipe doubling and bobbin doubling The bobbin doubling is a simple machine without meridians. The bobbins are directly fed into the doub…
Drawing roving and spinning processes
Drawing roving and spinning processes In the carding system, the number of process passes for drawing and roving must follow the “odd number rule”, that is, the number …
Carding and combing process
Carding and combing process 1. Carding system and combing system The carding system is completed by the carding process, and the combing system is completed by the carding and comb…
Spinning process
Spinning process When ring spinning is small, when spinning extra-fine special yarns, fine special yarns or high-quality cotton yarns, the combed spinning system is generally used;…
Selection principles of spinning process
Selection principles of spinning process Selecting the process flow and machine model in order to determine the number of spinning and weaving equipment is an important task in fab…
The use of low-grade cotton recycling and reused cotton
The use of low-grade cotton recycled and reused cotton The characteristics of late low-grade cotton are poor maturity, fine fiber, low fiber strength, high moisture content, more s…
How to choose raw cotton
How to choose raw cotton Raw cotton should be selected according to the linear density of the spinning yarn, the purpose of the yarn and the finishing characteristics. 1. Select ra…
Raw cotton selection principles
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…
Main factors affecting yarn tensile breaking strength
Main factors affecting yarn tensile breaking strength 1. Fiber properties: (1) Fiber length: Fibers whose length is shorter than 2Lc (Lc is the slip length) will cause the yarn str…
Yarn strength index
Yarn strength index 1. The main strength indicators of spinning yarn mainly include breaking strength, breaking stress, breaking strength, breaking length, breaking elongation, wet…