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son types of Spandex and equipment, adaptation of technology and applications

I. Introduction
Spandex is a development rapidly in recent years, the high elasticity of synthetic fibers, which is an extension to respond to extraordinary performance makes clothing more suited and more comfortable. Nu son spandex can be in the form of use, but in most cases are treated in the cable wire soul to bare wire covering, or twisting of cooperation in various proportions with natural fibers, mixed fibers, knit woven through the formation of multi – different forms of elastic tissue.

II, the type of spandex son
In recent years, son spandex most used are essentially three forms: the main thread, which deals with the harmony of twist, the three types of elastic spandex son products profoundly transformed the principles of treatment of different types of training over a different line style.

1. Spandex core yarn
As the cable is a fundamental spandex, the externalization of one or more non-elastic fibers son. Have a good basic idea of spandex yarn and appearance, son of natural fibers for the outsourcing of moisture absorption fiber and can be used by the product's flexibility to choose different values. Spandex Core-spun elastic compared to other notable feature is the state of tension in the wire of the main cable, not exposed to the dye effect is good, it is necessary, including a variety of colors, including dark colored products. And compared to other types of elastic thread, the basis of weak strength of son, the majority of the force only son is equivalent to the same size outsourcing son of fiber only 80% -90%.

2. Spandex covered yarn
This is a spandex as the core, son or inelastic staple fiber filament elongation Spandex spiral state to form elastic coating son. Spandex covered yarn is a hollow shaft with special equipment for processing the whole machine is divided into elastic yarn supply base, stretching and relaxation coated assimilation into three parts. son and covered elastic yarn is one of The other obvious difference between the main line wirelessly.

Spandex yarn covered in silk and the outsourcing of base layer of the sheath relationship between the leaf and the outsourcing of wire together hold between the degree of harmony was significantly lower than the twisted core wire, if the elasticity is greater than the last two. State-covered wire showed the phenomenon of principal stress, which would inappropriate to make a dark product. Contact son covered most hard-core spinning, its strong outsourcing son filament layer or force, so strong in comparison with soul spinning high specification. Covered wire winding for leisure, depending on the use of its utilization rate is generally 60% -95%, which is different from the Hop twist thread, the weaving process parameters for greater impact.

3. String
It extended Spandex side while the other two elastic twisted son of the resulting mixture, and more generally the installation of a special power twister wire ring devices manufactured. son of son of spandex filament with a variety of combined torsion, and are adapted to the production of small series of many varieties, and even a tornado can process multiple types simultaneously. In the state of tension, the yarn twist son spandex and others around the other between relationships, and therefore a state of tension of the spandex yarn in the bare wire could easily cause stains color the color of the flower, the products are not so dark. Spandex in conjunction with Tornado force is equal to non-elastic thread with the powerful, is the most basic of spandex yarn specifications with high resistance. All the twists spandex spandex with an elastic thread not more united, not so much between the thread of son spandex, which results in spandex core yarn is higher than the degree of retraction, combining the flexibility of higher education twister core-spun yarn.

3 core spandex yarn modified equipment production son focus of cat and techniques
1. Spandex yarn soul spinning process equipment modifications
Spandex core yarn in a textile mill in general, cat yarn production, a device son of the cat should be added, but also to transform the existing machine spinning. In the stabilization of the front roller speed at the same time, after approval change speed of the rollers to achieve the goal of a bamboo, which is mentioned in front of a long thread of bamboo production methods cat.

To stabilize the product quality, gear wheels for the first time to add a switch to control the sensors roller speed ahead, for mechanical reasons, the range of 5% of the fluctuations of the actuator can be adjusted by the weight of the irregular son. Turning to the front, the rear column son double column rack installation guidelines son spandex body, which can be changed to a single column posterior column into two columns because of the location too small, the support column, dual platform for online processing, the Service Centre for drilling block to recreate the bit of the column is not affect the strength of demand.

For dry hair department because of space constraints, can not install spandex support gear, you can see the mouth of the hairdryer to keep under the premise of the hairdryer truncated, re-welded cases. A seat width spandex situ installation of a support to facilitate adjustment of the rollers of the chain in front, so the seat of the roller chain can be adjusted freely in the horizontal direction, and sometimes need to be re-processed according to the width elastane yarn crèche support handle custom wheel, so that the guide with the right wheel and the cradle.

equipment modification, because the cotton fibers coated with polyurethane, the original use of the pressure rolls of leather derivatives due to the higher hardness does not open not, the phenomenon of spitting hard head, the need to replace the low hardness of bread, to improve the level of basic thread uneven. Equipped with gauge blocks and ring wire in the interest of some components of the base of bamboo and mixed numbers to consider, with blocks fairly standard small rings of wire, cable cross section to use the coefficient of friction is low, no damage claim to ensure spandex quality son. Turning in the cradle, if used for too long, uneven pressure lead to the development of strength and grip strength the establishment of zones are incompatible, causing abnormal Bamboo is therefore necessary to adjust the pressure of the crib, where appropriate, replace the spring in order to solve the problem unusual bamboo.

As part of the cat tower cat Spandex is small, easy-covered spandex yarn can be adjusted periodically according to the guide position of the hand wheel so that spandex should be kept in places with a guide-wire strand hooks, so sweet and cord guide found that treatment spares in a timely manner are not profitable. To avoid hollow yarn, thread and yarn son broke dual-core tube rupture of son is more joints, after reinsert the air traffic control, the joint use of media, and son, son of spandex should always check if travel to the normal diet, bamboo is normal, to ensure normal operation. Equipment has changed after the thread of spandex son, wick son of Spandex-5.83 7.28tex good effect, by turning bamboo regular and irregular two types of son of bamboo to dramatically increase the value- added, we can use a little input for better efficiency.

2. Gata main parameters and production technology
Cat parameters son cats include roughness length bamboo Cat Cat and spacing of the three parameters, different combinations of these three parameters influence directly on the style and thick knitting, sex issue, and therefore the parameters of the different requirements of bamboo. They are classified bamboo cat skinny cat thick, thick bamboo, cat cat cat length is divided into Cat son bamboo short and long spacing of bamboo are usually Short-term and long-distance crossing points of the festival, short stride chat thread in the context of 2 cm to 10 cm long wire cat height are generally between 20 cm to 40 cm. The roughness of bamboo, the length and spacing gata gata refer to general situations, special circumstances beyond the limits may also be a breakthrough.

Cat woven yarn spinning process essentially apply traditional weaving son. After the district in which several Tour drafting should be generally between 1.2 -1.3 times, which means that the development of appropriate multiple the expanded zone appropriate to reduce the pulling force, to reduce the volatility of the force of attraction help reduce a stubborn . In such circumstances, the wire core, the smaller number of beautiful cat is particularly important. Gauge block Spinning corresponding jaw should facilitate development of fiber to control the strength and stability, fire spinning, must be in the average and the number have to choose between the base thread.

roll of fabric before Cat speeds generally less than regular knitting yarn 10% -20% for the thick bamboo, long chat thread, so reduce resistance wire evenly, reduce yarn rupture, the front roller speed settings should be low. Obviously, the size speed settings of the front wheels and a resolution of the wool base, bamboo roughness, length and other parameters of bamboo.

Election rings should be conducive to reducing the size of fluctuations in the ring of blood gases, medium or large wire numbers are appropriate to take ring self-lubricating. Spun yarn son Gata match the difficulties of a cons-handle high arc is appropriate. twist factor wire is usually between 340-360.

To rotate a good cat fabric, son of sizes according to the basic needs and characteristics of quality ensure that the son in good state for the editorial system to ensure the stability of the pressure, rubber rollers, rubber ring, brooch, Gordon did not play, That the settlement system wring the neck of the steel, axles, spirit guide wire hook to minimize voltage fluctuations at liquidation. Strengthening the disc shaft, well services, reduce differences in turn caused by mechanical factors.

4, son of application developers spandex elastic warp knitted fabrics
Spandex fiber, there are two varieties of such as polyester-based polyurethane, and the other for the polyester-based polyurethane. spandex fibers in the molecular structure of channels People are rigid and flexible segment of the chain, forming a mosaic structure of copolymer, the production of spandex fibers are strong and flexible extensibility, maximum elongation of 700% of the original length, while the elongation of 500% flexibility in the response rate of 95%.

1. In Two-way spandex warp knit
Bi-elastic spandex knit using a yarn spandex, combed through the platform to the flat wire, needles after slipping due to a short extension of the lines are short, and looking at the hair combed wool tapestry of helium-lun covered by the first time. Not easily damaged. Other bars have taken under the fabric of regular requirements son nylon, polyester or son of son of cotton. Since the formation of nitrogen Mon. coil wire, therefore, by the direction and the plot has a good flexibility. In the ordinary Tricot knitting machine, the son of spandex let-off to be quite positive, and the screw head with a flexible alternative to the rotation of the tension bar: play with ways to reduce the volume equipment, so that son of chain chain for some spandex stretch fabric to form a recovery roll well.

1.1 stretch fabrics flat
normal elastic tissue is done through the velvet fabric, the fabric has good flexibility in both directions and the appearance of materials friction reasonable control of spandex son relationship stress, and two of this guide is a large part of the contents of the son of spandex can be controlled by 15% widely used in small swimsuit, clothes, skating, gymnastics and other women's sporting events, clothing.

1.2 Velvet Stretch is not reversed
It would not fall stretch velvet fabric is actually a single needle bed fabric 2 comb. In the comb and combed for weaving elastic tissue, the former Salisbury back multi-pin the needle to form an extension cable. As the role of spandex, the former wool to form an extension line to the bow like the finish, plush nap when the behavior first soft, then the hairline shear former wire extension to form a dense and difficult to lift the hair and down, plush depends largely on the length of the extension lines.

reasonable control of tight spandex son relationship strain and bar guide quantity let off using son of spandex can be controlled over 7% of the total weight of less help to reduce production costs. The product has a sleek look and feel, good flexibility in both sense is a very good clothing and Home Decor chain knitting tomorrow.

2. A spandex stretch fabric so knitted chain
A way stretch Spandex warp knit generally use thicker spandex son in the integration of Raschel machines with a son of spandex to a special post stamp comb through insertion son son of spandex to the main show in the fabric of the vertical, and is extracted from other organizations local. The tough spandex yarn, spandex son indicating the direction of flexibility, the better.

Hex Elastic Eye 2.1
son and eye tissues hexagonal spandex Hair is double woven nylon son, the fabric has a flexible vertical side is slightly elastic, capable of bras for women, underwear and so on.

2.2 Chain Link Knit
chain link mesh is an elastic spandex and nylon string to four bars knitted fabric after the end of class, the son of spandex in the fabric was the son vertical line such as nylon, wrapped around him, the only tissue durable and soft vertical suitable as fasteners, waist, elastic bands.

V. Conclusion
In recent years, spandex-type variety of materials, including the different specifications of the plain, twill, satin, jacquard short fine materials Lycra fabric of wool, wool, and a variety of son dyed stretch shirt cope, jeans elastic in the long and elastic fabric, elastic fabric dyeing stretch poplin different khaki stretch velvet Stretch, stretch jersey, as well as support for different types of clothing, such as ribs and elastic cuffs. In addition, elastic tissue corduroy spandex for the development of non-woven fabric also has good prospects. About the Author

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