Calculate blow room production, if number of scutchers is 3,shell roll speed is rpm shell roll dia is 9, lap weight is 12ozyd, and efficiency is 85%. For roving type i, the draft at speed frame was kept constant in all the samples. The ring traveler is in most cases responsible for the limitation of the ring spinning machines productivity, depending on the interaction of ring, traveler and yarn. Calculation of draft and twist in ring spinning textile. In table 1 are presehe adjustment nted t parameters values for optimal processing on. Jan 04, 2015 spinning calculation1 production calculations q. Comparison of the advantages and the disadvantages of the ring spinning systems. Calculate the length of yarn with ne 802 and weight 4. Our comprehensive range of ring spinning machine offer critical solutions to the textile industry to turn staple fibers into yarn and then twist it around a bobbin for storage, all at the same time. As the speed is higher than ring spinning, the produced yarns are coarser than ring spun yarns. The staple fiber such as cotton and wool has to go through a series of processes until reaching the finished product or the yarn package. Comparing quality parameters of yarn produced by ring, rotor. Pdf engineering techniques of ring spinning researchgate.
Ring frame is the last machine in the production chain of fibre toyarn conversion process. The rotor spinning machine is referred to as open end spinning, since there is a definite break in the fiber flow prior to the yarn. Compared to ring spinning, rotor spinning offers higher productivity and so the production costs are much lower. We will give you any of the 2 books from the below list if you fulfill our conditions. Oct 26, 2015 the ring spinning will continue to be most widely used form of spinning machine in the near future. Mar 12, 2018 ring spinning process the commonly used, timetested spinning technique, ring spinning is one of oldest machine oriented spinning techniques used for staple fiber spinning. It guides the yarn onto the bobbin as twist is inserted into the yarn. Metal spinning design consideration and parameter of. In the intervening period of more than 180 years the ring spinning machine has undergone considerable modification in detail, but the basic concept has remained the. The count range has been seen to be dependent on fibre type. The formulae used for the calculation of the sn ratio for the above response types are given below. Advantages and disadvantages of ring spinning systems.
It is a special type of project work as it is an observing and analytical work. Because it exhibits significant advantages in comparison with the new spinning processes. To improve the productivity of ring for 9 combed wool and 24 carded count the obtained results was ring frame efficiency percentage plotte d in figure no. A stationary system of description of vertical spinning is solved based on universal exponential substitution.
The ring spinning system had remained unchallenged since its introduction in the middle of last century till the late 1960s. States, japan and other countries mainly for the production of high fashion. Only spinning mills having real time production and. In ring spinning, the traveller and the balloon length, l b, must move around a common axis in order to wind the yarn onto the spinning bobbin. Commonly used units in this system of measurement are.
Effect of frequency and amplitude of vibration on ring. There have been many development has done in ring spinning machine for the last years but the. Pdf an analysis of spinning tension in ring spinning. Friction, vibration, frequency, amplitude, ring, traveller and yarn tension 1. Engineering, education, spining calculations, textile. You can also choose from spinning production line, twisting machine, and roving frame ring spinning frame there are 307 suppliers who sells ring spinning frame on, mainly located in asia. If the machine runs at 9% efficiency and twist multiplier is 4. The ring spinning system is the most flexible system from the viewpoints of fibres which can be used and the extent of the yarn counts which can be produced. A wide variety of ring spinning frame options are available to you, such as yes, no. It is part of the textile manufacturing process where three types of fiber are converted. Kaoerzi company had started researching cellulose fiber production with nmmo solvent method since 1978. Production the output of a mc per unit time is called its production.
If you continue browsing the site, you agree to the use of cookies on this website. Yarn countsliver hank yarn count is the numerical expression of yarn, which defines its fineness or coarseness. Ring spinning process the commonly used, timetested spinning technique, ring spinning is one of oldest machine oriented spinning techniques used for staple fiber spinning. The ring spinning will continue to be most widely used form of spinning machine in the near future. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Introduction to ring machine spinning textiles yarn. Production calculation of ring frame textile calculation. Ring spinning, rotor spinning, and compact spinning are widely used spinning. It is recommended that you do a practice ring with a copper sheet before attempting to work with sterling silver. Find details of companies offering ring spinning machine at best price. A new ringandtraveller system as the key to more production. Analysis on the spinning process and properties of tencel yarn. The fluctuation in spinning tension in ring spinning at different time scales, viz. Whenever the type of count is not mentioned with the count, it is understood that it is the english count.
In 1981, the company used amine oxide as a new solvent spinto. In the most primitive type of spinning, tufts of animal hair or plant. In ring spinning, the roving is first attenuated by using drawing rollers, then spun and wound. While we do not yet have a description of the spin file format and what it is normally used for, we do know which programs are known to open these files. Spinning software software free download spinning software. The change in yarn properties with progressive change in count has also been reported. The ring spinning machine was first invented in 1828 by the american thorp. The roving is feed into ring frame for yarn production. Combination of speed frame and ring frame is called as ring table 1 power distribution in textile mills including productive and non productive machines description installed, kw total load, % blowroom 58. Among them ring, rotor and airjet spinning are mostly used. The first known mill in lancashire dedicated to ring spinning was built in. The spinning limit for three different fibres cotton, viscose rayon and polyester on a dref3 friction spinning machine has been investigated. Constants and calculations textile spinning scribd.
It is very much important in this time because although ring spinning machine produces best quality yarn but some. Work must therefore be performed against the frictional force of the ring on the traveller, the traveller on the yarn, and against the air drag on the traveller and balloon length. Spinning software software free download spinning software top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. Nov 29, 2014 yarn ring spinning frame ring frame for yarn production. An overview of ring spinning machinering frame textile. The values of the acting tensions and tensile forces of the conditions of spinning polyester and polyamide fibres are quantitatively estimated. The cotton bale is opened, and its fibres are raked mechanically to remove foreign matter e. Oblique flange ring, orbit ringtraveller system, ring spinning, yarn damage 1 the problem faced it was rightly pointed outl recently that the ring andtraveller system is a crucial element in the ef forts to raise production on the ring spinning ma chine. Turns per inch of 19 to 20 is generally used by the spinners for spinning of 21 ne warp yarn. Count is the measure of fineness or coarseness of yarn. Asymmetric spinning in addition to being inflexible, conventional spinning is limited to production of axisymmetric parts. Final sliver quality is dependent on the type and age of the draw frame.
Ring traveler traveler is a tiny element which is used in ring spinning system, acts as the main of twist imparter during yarn production. These are the mass variation calculations along yarn length. Pdf optimization of ring frame parameters for better yarn quality. Yarn package formation how to calculate of package density. Ringspinning processing drawing ingeo pla fiber processes easily at normal mill production rates and sliver weights and on all types of draw frames found currently in short staple mills. Asuperscript 6a6 brsuperscript 8 cotton spinning calculations and yarn costs. There have been many development has done in ring spinning machine for the last years but the basic concept remained unchanged. The ringspinning system had remained unchallenged since its introduction in the middle of last century till the late 1960s. Every day thousands of users submit information to us about which programs they use to open specific types of files. Maksud helali2 1department of yarn manufacturing, bangladesh university of textiles, bangladesh. See the list of programs recommended by our users below. Friction, vibration, ring, traveller and yarn tension application of vibration for reduction of ring traveller friction of a ring spinning frame hosne ara begum1 and md.
And calculations textile spinning free download as pdf file. Introduction ring spinning is a popular spinning system for making spun yarn from cotton, wool and different manmade staple fiber in the textile industry. Ring spinning is a method of spinning fibres, such as cotton, flax or wool, to make a yarn. Download this books into available format 2019 update. So if the unit is not mentioned, it is understood to be a. Spinning is the twisting together of drawn out strands of fibers to form yarn. If you want to download this book, you need to write an unique article about textile related topics. It is also called the twisting element it is a cshaped, metal clip that revolves around the ring on a ring spinning frame. We spend countless hours researching various file formats and software that can open, convert, create or otherwise work with those files.
Textile advance yarn spinning techniques are briefly described. The title of our project is comparative study on ring, rotor and airjet spun yarn. Create this ring with a wider band and enjoy texturing the ring and stamping inspirational wordsphrases, and mixing metals. Energy saving in ring spinning in accordance with fig. The production is usually calculated in the units of weighttime or lengthtime e. This was equipped with 3line double apron drafting rollers skfpk 225 for cotton, man made fibers and cotton type mixtures spinning 8. The process of making yarns from the textile fiber is called spinning. Calculate the tpi on simplex if the diameter of back roller is 1516, rpm of b.
So if the unit is not mentioned, it is understood to be a production hr. Pdf ring frame is the last machine in the production chain of fibre toyarn. Speed frame production calculation textile study center. Tongda brand ring spinning machine, fa506 with 516 spindles, with inverter, with high capacity, spindle speed upto 22000 rpm. Ring spinning system is a conventional but most usable spinning system that is able to produce highest quality product at low production rate. Process control in ring and rotor spinning sciencedirect. Sep 14, 2012 the ring spinning system is the most flexible system from the viewpoints of fibres which can be used and the extent of the yarn counts which can be produced. The most commonly used unit of time for production calculation is hour. Ring spinning frame ring frame linkedin slideshare.
However, the spinners were becoming increasingly aware of the fact that low productivity was inherent to the basic principle of ring spinning. Technology polyester pretreatment printing printing and finishing properties questions reactive. Calculation of twist in ring spinning by changing the speed of the main pulley and adjustments in the twist change and auxiliary twist change gears wide range of twist can be achieved. An overview of ring spinning machinering frame textile learner. In 1830, another american scientist, jenk, contributed the traveler rotating on the ring. A new ringandtraveller system as the key to more production from the ring spinning machine h stalder rieter spinning systems, maschinenfabrik rieter ag, ch8406 winterthur, switzerland received 30 march 1992 due to high surface pressure between ring and traveller the thermal load capacity of the traveller is. Ring spinning is a continuous process, unlike mule spinning which uses an intermittent action.
1081 282 1374 626 782 1161 1284 1436 214 859 1292 296 1355 68 401 44 999 1 322 1160 502 1350 430 1444 623 1265 202 1129 669 462 280 1155 630 1107 568 563 1418 1294 322 1489 1294 377 562 310 1019 386