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Cones


For a conical package shape

Tubes


For cops are the most flexible base for a wide range of package shapes (e.g.: cylindrical - no taper / biconical - double taper / single taper / bottle shape), depending on the winding unit (type of winding)

King spools


For sewing threads / final make-up

Tubes sewing thread


For cop for sewing threads with 1.5" - 2" traverse length

Tubes sewing thread


For cop for sewing threads with 2" - 6" traverse length

Cones sewing thread


For a conical package shape with 3" - 4" traverse length

Cones sewing thread


For a conical package shape with  6" traverse length

Tuck- in


tuck with the yarn tail in the thread

Sewing Thread


Sewing threads yarns are especially made to pass rapidly through a sewing machine. It is a fine cord of a fibrous material, made of two or more filaments twisted together. The yarn has to form efficient stitches without breaking or becoming distorted.


Spun yarn


Textile yarn spun and twisted from staple length fiber, either natural or synthetic.


Filament Yarn


Synthetic yarn composed of one or more filaments that run the whole

length of the yarn. Yarns of one filament are referred to as mono-filament; yarns of several filaments as multi-filament.


Cotton


Natural fibre from the cotton plant which is spun into fine yarn.


Polyester


Synthetic fiber made from a thermoplastic polymer that contain the ester functional group in their main chain. Most commonly refers to a type called polyethylene terephthalate (PET) or polyethylene succinate (PES) with a melting point from 103 – 106°C


Polypropylene (PP)


Polypropylene is a thermoplastic polymer used in a wide variety of applications including packaging and labeling, textiles (e.g., ropes, thermal underwear and carpets), stationery, plastic parts and reusable containers of various types, laboratory equipment, loudspeakers, automotive components, and polymer banknotes. An addition polymer made from the monomer propylene, it is rugged and unusually resistant to many chemical solvents, bases and acids.


Aramid


Aramid is the short term for aromatic polyamide. They are fibres, in which the chain molecules are highly oriented along the fibre axis, so the strength of the chemical bond can be exploited. The fibre is heat-resistant and of great strength. Aramid is used in materials for bulletproof vests and radial tires.


Viscose


Viscose, formerly known as viscose rayon, is made by treating cellulose with caustic alkali solution and carbon disulphide. It is a soft fibre commonly used in dresses, linings, shirts, shorts, coats, jackets, and other outerwear.


Technical Yarns


The yarns are used for technical textile products, manufactured for non-aesthetic purposes, where function (rigidity, strength, dimension stability, design flexibility and economic viability) is the primary criterion.

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Set the yarn speed rationally

The yarn speed should be based on the quality of the yarn, the better the quality of the tube yarn to make the worse the degree of deterioration of the yarn, and vice versa will increase the degree of deterioration; at the same time the yarn speed and spool unwind tension is closely related to low speed When the tension higher speed slightly smaller. In the entire unwinding process, large and medium yarn tension is relatively small, less ring, the yarn speed can be slightly higher, but when unwound to the small yarn parts, unwinding tension doubled, easy to produce loop, limiting the winding Speed up. Therefore, in the large, medium yarn should increase the speed, should be properly decelerated yarn, so that the actual speed of the yarn increased. As a general rule of thumb, when spinning a medium variety, the percentage change in initial speed of the VSS variable speed system can be selected as + 30%, the final speed percentage is -60%, and the percentage of change is 70%. Different number of yarn winding speed and tension in Table 1.

 

Table 1.Different numbers of yarn winding speed and tension

Brand

Speed/m·min

Tension disc pressure/Pa

JC14.6~JC19.4

1100

7500~8500

JC9.7~JC11.7

1000

4500~5500

JC7.3

900

3500~4500

JC5.8

650

3000~3500

JC4.9

500

300±100

 

As can be seen from Table 1, when spinning different numbers of varieties, the speed of the vehicle and the tension of the vehicle vary with the number of signs. The lower the number, the lower the vehicle speed and the smaller the tension. This is because the yarn number of the yarn itself is smaller than the number of the yarn. If high-speed unwinding is easy to produce long details of yarn faults, it will worsen the quality of the yarn and make the yarn dryness CV value, hairiness, strength and other indicators Have different degrees of deterioration. Serious accidents will be broken, resulting in increased yarn, affecting production efficiency. The choice of speed also takes into account other factors, such as the supply problems before and after the more important indicators of the deterioration of the yarn. Under normal circumstances, the yarn into the CV value of deterioration to maintain the level of less than 0.5%, 30% of the yarn -30% details does not exceed 200 / km, the value decreases with the yarn number has increased.


Gonghong Textile Machinery Winder Manufacturer

Over the past 20 years, we have taken technological innovation as our life and strived for survival by quality.

+00 86 135-1651-0653

beckykwok@windermachine.com

Building B8, Luocun New Light Source Base, Nanhai District, Foshan, Guangdong, China

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