Air-Jet Loom: Working Principle, Data Processing and Advantages (2023)

Last Updated on 25/01/2022

Air-Jet Loom:
Air-jet weaving is a type of weaving in which the filling yarn is inserted into the warp shed with compressed air. We can define air-jet loom in different ways. A loom in which the weft yarn is propelled through the shed by means of a jet of air. OR, A shuttleless loom capable of very high speeds that uses an air jet to propel the filling yarn through the shed. OR, A loom using a jet of air to carry the yarn through the shed. Air-jet loom is one of the two types of fluid jet looms where another one is water jet loom.

Air-jet loom have become very popular in recent years. The air-jet weaving machine was selected as one of the top innovations of the last decade by the Textile World magazine. The number of air-jet weaving machine manufacturers has increased considerably over the past several years. Intensive research and development on air-jet weaving machines have continued. As a result, air-jet looms are getting wider, faster and more economical than before.

Background of the Invention of Air-Jet Loom:
U.S. Pat. No. 4,606,152 illustrates a method and apparatus for grinding or buffing a metal reed of an air jet loom by manually moving a buffer along the tunnel while the reed is positioned on the loom.

U.S. Pat. No. 4,640,316 illustrates another apparatus for treating an air jet loom reed while on the loom wherein air measuring apparatus is manually moved in sliding motion along the top of the loom reed.

Heretofore there was no method or apparatus available which would uniformly and consistently permit measurements of air flow and at the same time provide a means to make indicated adjustments to the loom reed to meet requirements as to air flow performance. Accordingly, objects of this invention include analysis and regulation of air flow for different types of filling with reduction in air consumption of the loom.

Another object of the invention is to permit the correction of problems associated with filling insertion and to assist in speeding up the loom while providing higher quality of cloth with fewer loom stops.

Summary of the Invention:
It has been found that a method and apparatus may be provided for optimizing air flow characteristics of an air jet loom by removing the reed from the loom and positioning same in a frame where a carriage is provided for rolling contact according to a predetermined path for measuring the air flow characteristics and for altering the physical nature of the air tunnel to accommodate improved air flow.

Brief Description of the Drawings of Air Jet Weaving Machine:
The construction designed to carry out the invention will be hereinafter described, together with other features thereon.

(Video) Airjet Weaving Explained | Shuttleless Weaving | Fabric Manufacturing | TexConnect

The invention will be more readily understood from a reading of the following specification and by reference to the accompanying drawings forming a part thereof, wherein an example of the invention is shown and wherein:

Air-Jet Loom: Working Principle, Data Processing and Advantages (1)
Air-Jet Loom: Working Principle, Data Processing and Advantages (2)
Air-Jet Loom: Working Principle, Data Processing and Advantages (3)
Air-Jet Loom: Working Principle, Data Processing and Advantages (4)

Description of a Preferred Embodiment:
The drawings illustrate a method and apparatus for enhancing air flow characteristics in an air jet loom reed broadly designated at 10. The reed 10 has a tunnel 11 and a bottom channel 12. The air jet loom reed is first removed from an air jet loom (not shown). The air jet loom reed is then positioned in a mounting frame A in a fixed preferably inverted at least partially upright position. In inverted position the bottom channel 12 is at the top, with a top channel 13 on a lower guide rail 14 of the frame A. The rail 14 of the frame A is opposite an upper frame rail formed by a channel 15.

A carriage B driven by a pulley C is illustrated for driving a buffing device D and an air measuring device E at a predetermined speed along the reed. The carriage is illustrated as being suitably supported as by a wheel F which rolls on the bottom channel 12 of the loom reed. Thus, the path of the buffing device relative to the tunnel of the air jet loom reed is located with respect to an upper portion of the loom reed when fixed in the inverted position.

The frame A is carried by a tubular base support 16 and the lower guide rail 14 is supported by a bracket 17 while the channel 15 is carried by posts 18. A bar magnet 19 is provided to hold the reed 10 in position upon the frame A. Rolling contact of the carriage is maintained by the rollers G (Fig. 2) with the respective reed channels 12 and 13. A roller 15a is provided for positioning the carriage in respect to the channel 15.

Thus, Figs. 1 and 2 illustrate a universal mounting frame A which can be used for all known air jet reeds of a tunnel variety of varying lengths, heights and locations of air jet tunnel relative to top or bottom channel of the reed. The reed is held in place in the frame by the lower guide or alignment rail 14 and the magnetic bar holder 19 together with the gravity effect of the weight of the reed.

The drive pulley C together with a nylon coated cable 20 provide uniform or other predetermined motion to the carriage along the reed. The pulley is driven by a motor 21. It is important to note in the drawings that the top channel 13 of the reed 10 (as mounted in the loom) is located along the bottom of the frame and the bottom channel 12 of the reed 10 (as mounted in the loom) is located exposed at the top of the frame (e.g. This is the reverse of the arrangement in the air jet loom).

This is important because it exposes the bottom of the reed channel for exact and uniform rolling motion of the carriage along any type of reed. All types of loom reeds have critical reed dimensions which are referenced from the bottom of the bottom channel and from the front of the bottom channel to the sides of the tunnel and to the bottom of the tunnel. Dimensions to and from the top channel of the reed are considerably less critical and in fact can vary from one reed to another within limits without effecting the function of the reed in the weaving process.

Universal adjustment of the air measuring device E, illustrated as a Pitot tube within the air jet tunnel 11, is provided by the mounting which also provides universal adjustment of the buffing or grinding wheel D in and around any and all sections of the air jet tunnel. Various types of buffing or grinding wheels designed for different buffing purposes may be utilized. Any such device or operation for altering the surface as configuration of the tunnel is referred to herein as a buffer or buffing. A universal mounting 23 (Fig. 3) for an air jet nozzle as illustrated at 24 is provided at any desired location relative to the tunnel and at a variable distance from the Pitot tube. The carriage B may be variable in width to permit extensive changes of the distance of the Pitot tube from the nozzle and also permit use of multiple nozzles if this is desirable. This feature is useful because at present the location of the nozzles on the loom relative to the tunnel are fixed. This is true in the case of each type of loom. This capability provides for a means to determine the optimum nozzle location for different types of filling materials depending on count, denier, twist, etc.

An air cylinder 25 and a potentiometer 26 are illustrated in Fig. 4 connected in relationship to the buffing mechanism universal mounting 22. The buffing mechanism having the wheel D is located by moving it in or out of the desired position. A desired pressure of the buffing wheel may be applied to any selected part of the tunnel. Further, by means of the potentionmeter the speed of the wheel D is regulated providing for a constant surface speed during its motion across the air jet reed and accommodating any wear in the buffing wheel. Since the Pitot tube E also has a universal mounting capability both up and down and in and around of the air jet reed tunnel air flow, i.e. pressure drop, measurements may be made in any locations in the profile of the air jet tunnel.

(Video) Air Jet Looms VS Water Jet Looms || RohitTechMechDunia

A nozzle 27 of vacuum system is located in the carriage. It is moved into position automatically when buffing is performed, and out of the way when measuring is performed. Its purpose is to clean the reed and constantly remove any particles created during the buffing process. Thus, apparatus has been provided for measuring air flow for all types of air jet reeds for all known air jet looms.

The measuring of air flow by pressure drop from a known pressure can be performed anywhere in the cross section of the tunnel and at any distance from the Pitot tube to the nozzle. A variety of nozzles can be used and the nozzle location is variable relative to the tunnel and the Pitot tube. The number of nozzles is also variable.

Air pressure to the nozzles can be set at variable pressures. Once air flow measurements are taken with potentially a variety of methods, the air flow can be recorded in any suitable way. Adjustments in air flow throughout the cross section of the air jet reed tunnel and over the full length of the air jet reed tunnel are possible. Variations in air flow can be produced in both cross sections and over the length of the air jet reed to accommodate optimum filling stop arrangements, different fillings, air consumption and resulting power conservation, loom speed as measured in picks per minute, and cloth quality. These adjustments are accomplished by removing or creating slight burrs on the metal profile dents, varying the surface finish of the metal profile dents, modifying the shape of the metal profile dent to increase or decrease air flow and to increase or decrease turbulence, varying nozzle location relative to air jet tunnel, and changing nozzle design.

While a preferred embodiment of the invention has been described using specific terms, such description is for illustrative purposes only, and it is to be understood that changes and variations may be made without departing from the spirit or scope of the following claims.

Air-jet weaving machines are under constant development. Current research is mainly focused on the air and yarn interaction as well as the guide system to increase the yarn velocity and reduce the compressed air consumption. Widening of the application range is another topic of the current developments.

Different Parts of Air-jet Loom:
I already published an article on Different Parts of Air Jet Loom and Their Functions.

Working Principle of Air-Jet Loom:
We already know that air-jet loom is a shuttleless loom that uses a jet stream to pull the weft yarn across the shed. The working principle is to use air as the weft insertion medium, and the compressed airflow is used to pull the frictional traction force of the weft yarn, and the weft yarn is taken through the shed, and the jet generated by the jet is used to achieve the purpose of weft insertion. This weft insertion method enables the weaving machine to achieve high speed and high yield.

The major components of the insertion system are the tandem and main nozzles, ABS brake system and relay nozzles which are relatively simple in design. The insertion medium mass to be accelerated is very small, relative to the shuttle, rapier or projectile machines, which allows high running speeds. Unlike rapier or projectile insertion systems, there are not many mechanically moving parts to control and insert the filling yarn.

Below figure 5 shows a schematic of air-jet weaving utilizing a multiple nozzle system and profiled reed which is the most common configuration in the market.

(Video) Air jet loom weaving Process, Speed and types of machine

Air-jet loom use a jet of air to propel the weft yarn through the shed at rates of up to 600 ppm. Date from manufacturers indicate that air-jet looms operate at speed up to 2200 meters of pick inserted per minute. They can weave multicolored yarns to make plaids and are available with both dobby and jacquard patterning mechanism.

Data Processing in the Air-Jet Loom:
The principle of operation reflects recent findings in ergonomics research. A browser ready terminal with a color touch screen is the man-machine interface. Via simple menu prompting, the expertise stored in the machine provides the basic settings for the weaving process. Malfunctions are rectified by menu-assisted problem analysis. Service via the Internet offers additional online support. The weaving mill control and monitoring system can be integrated in the network. Machine and style data can be compiled on a PC outside the weaving room and transferred to the machine either online via a network or off-line via a memory card.

a) Intelligent Pattern Data Programming:
“SmartWeave” offers fabric designers intelligent support in the preparation of weave designs and pick repeats. The prepared pattern data are combined with the setting parameters of the style and transferred to the G6500 via data carrier or intranet. Once the data has been transferred, the machine can be set up quickly. Weaves, pick sequences, and setting parameters can of course also be programmed and/or modified directly at the terminal.

b) Network-Ready Touch-Screen Terminal:
The control interface is a user-friendly, Internet-ready touch-screen terminal. The logical structuring, with self-explanatory pictograms, guides the operator to the desired function simply and with a minimum of keying. To the Internet capability, remote interrogation of the machine parameters is possible. This allows potential improvements to be rapidly identified and put into effect.

Advantages of Air Jet Loom:
Air-jet loom is ideal for cost-effective production of bulk fabrics with a wide range of styles. Air-jet loom can handle both spun (natural, synthetic or blended) yarns and continuous filament yarns. Textured yarns are especially suitable for air-jet weaving due to high propelling force. However, monofilament yarns are not suitable for air-jet weaving because of low friction between air and yarn which is due to smooth surface of the monofilament yarn. A wide range of fabrics from gauze fabrics to dense, heavy cotton fabrics, from patterned dress fabrics to ribbon fabrics can be woven on air-jet weaving machines. Air-jet weaving is also ideal for fine glass fabric production. Specially designed air-jet weaving machines are used for tire cord manufacturing with tuck-in selvage in plain weave.

Air-Jet Loom: Working Principle, Data Processing and Advantages (6)

Different advantages of air-jet loom have pointed out in the following:

  1. High productivity.
  2. Low initial outlay.
  3. High filling insertion rates.
  4. Weft insertion performance is too much here (normally 600pm).
  5. Simple operation and reduced hazard because of few moving parts.
  6. Reduced space requirements.
  7. Normally, standard width of air jet loom is 190cm.
  8. Low noise and vibration levels.
  9. In case of air jet loom, noise level is lower than rapier loom and missile.
  10. low spare parts requirement.
  11. It consumes very low power.
  12. Reliability and minimum maintenance.

Disadvantages of Air-Jet Loom:
The disadvantages of air-jet loom are-

  1. Broken pick or miss pick has occurred due to excess air pressure of main nozzle.
  2. In case of air jet loom, pile up and buckle tip of yarn formed due to air resistance.
  3. Double pick may occur in air jet loom.
  4. Loom of weft yarn along weft direction formed due to variation of air pressure.


  1. Handbook of Weaving by Sabit Adanur
  2. Automation in Textile Machinery: Instrumentation and Control System Design Principles By L. Ashok Kumar, M Senthil kumar

    (Video) Water Jet Loom II Features II Advantages & disadvantages

  3. Reference Books of Weaving (ACIMIT) by Giovanni Castelli, Salvatore Maietta, Giuseppe Sigrisi, Ivo Matteo Slaviero


You may also like:

  1. Different Parts of Air Jet Loom and Their Functions
  2. Motions of Loom and Their Functions in Weaving Machine
  3. Loom Motions: Primary, Secondary and Stop Motions of Loom
  4. Basic Parts of a Weaving Loom and Their Functions
  5. Different Types of Shedding Mechanism in Weaving Process
  6. Automation in Weaving Machines: Process, Benefits and Requirements
  7. Production Calculation of Loom with Formula and Examples
  8. Essential Parts which are Used in Weft Insertion Motion of Loom
  9. Different Types of Shed in Weaving
  10. Different Types of Modern Loom | Advantages of Modern Loom Over Conventional Loom
  11. Automation in Weaving Machines: Process, Benefits and Requirements
  12. Classification, Mechanism and Working Principle of Secondary Motions of Loom

Air-Jet Loom: Working Principle, Data Processing and Advantages (7)

Mazharul Islam Kiron

Founder & Editor of Textile Learner. He is a Textile Consultant, Blogger & Entrepreneur. He is working as a textile consultant in several local and international companies. He is also a contributor of Wikipedia.

(Video) Water-jet loom weft insertion system l Structure and working principle of water-jet loom

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What is the working process of air jet loom? ›

In air jet looms, pick is inserted with the help of air pressure through the shed opened by the shedding mechanism i.e. between the two layers of warp sheet. The function of beat up mechanism is to push the weft thread that has been inserted across the warp threads in a shed, up to the fell of cloth.

What are the advantages of air jet looms? ›

Air jet looms can further better work with heavier yarns than light yarns. The big advantages of air jet looms, compared to shuttle weaving looms for example, is that they are able to weave at a much faster rate.

What is the disadvantage of air jet loom? ›

As is well known, the main disadvantage of air-jet weaving machines is their high energy costs compared to projectile and rapier weaving machines. This makes air-jet looms less preferable for companies in countries such as Turkey that suffer from very high energy costs, despite their higher production speeds.

What is the principle of loom? ›

Principles of Weaving | The Loom Room. Weaving is very simple. You essentially have two sets of threads – one set, pre-wound, called the warp, running vertically and kept under tension, and the other set threaded individually through the vertical threads, usually at right angles, called the weft.

What is the feature of air jet loom? ›

An air jet loom is described as a shuttle-less loom. It is a type of air jet weaving machine in which a jet of air is typically used by an air jet loom to propel the filling yarn through the weaving shed. Medium-weight yarns, followed by extremely light and very heavy yarn, can all be used with it.

How does the weaving process work? ›

Weaving is a type of fabric construction where two sets of threads, the warp and the weft, interlace at right angles to create cloth suitable for a variety of functions. Weaving is done on a loom, which holds the warp threads under tension allowing them to be intersected by the weft.

What are the advantages of automatic loom? ›

The automaticlooms include methods of holding the yarn such as rapier and the gripper. Ithas advantages of higher productivity in comparison to water jet and air jetlooms that use water or pressurised air to transport the yarn with multiplecolour weft insertion.

What is speed of Airjet loom? ›

The world's fastest jet loom

The fastest ever jet-loom speed of 2,105 rpm was achieved. At a trade show held in Milan, TSUDAKOMA's Concept Model Air Jet Loom demonstrated stable operation at a speed of 2,105 rpm, which is the fastest ever for a jet loom, for the prescribed demonstration time of 20 minutes.

What is the main advantage of power loom products over the handloom products? ›

Because powerloom production is faster and requires lesser manual processes, it is relatively less-expensive compared to a handloom textile. In the context of banarasi textiles, a powerloom can produce anywhere between 5-25 meters of fabric a day.

What are the advantages and disadvantages of air ways? ›

The advantages include being able to fly to almost any destination in the world and having a variety of different aircraft for different purposes, and cut down on travel time. The disadvantages include costs of fuel, delays due to weather, and security risks such as terrorism.

What are the three disadvantages of using air? ›

This ease of movement of goods by air has a number of possibilities but also some drawbacks.
  • It is more expensive than other types of transport because fuel is expensive. ...
  • It has capacity limits. ...
  • It is more polluting than other more sustainable means of transport such as electric vehicles.

What is loom Short answer? ›

The devices on which weaving of fabrics takes place are called looms.

What are the three types of loom? ›

There are different types of weaving looms and these include handloom, frame loom and back strap loom. A loom is a mechanism or tool used for weaving yarn and thread into textiles. Looms vary in a wide assortment of sizes.

How do you use a loom step by step? ›

A step-by-step tutorial on how to record your Windows screen using the Loom desktop app
  1. Click the Loom desktop app icon to open the screen recorder. ...
  2. Sign in or create a Loom account.
  3. Choose what to capture. ...
  4. Choose your audio and camera: ...
  5. Click Start Recording.
Aug 24, 2022

What are the devices used in a loom? ›

The major components of the loom are the warp beam, heddles, harnesses or shafts (as few as two, four is common, sixteen not unheard of), shuttle, reed and takeup roll.

What is the function of main nozzle in air jet loom? ›

The main nozzle of an air jet loom plays an essential role in the weft insertion process. This role involves sucking the weft yarn from the prewinder and launching it into the reed. Simulating the dynamic behavior of the weft yarn inside the main nozzle involves fluid–structure interaction (FSI).

What are the two main threads that go on the loom? ›

Warp and weft are the two basic components used in weaving to turn thread or yarn into fabric. The lengthwise or longitudinal warp yarns are held stationary in tension on a frame or loom while the transverse weft (sometimes woof) is drawn through and inserted over and under the warp.

What are the 3 basic important operation in weaving? ›

These operations include spooling, warping and slashing. In spooling, the yarn is wound on larger spools, or cones, that are placed on a rack known as a creel.

Which process is used for weaving? ›

Weaving is a method of textile production in which two distinct sets of yarns or threads are interlaced at right angles to form a fabric or cloth. Other methods are knitting, crocheting, felting, and braiding or plaiting.

What is the process of weaving called? ›

In all methods of weaving cloth (except the rudimentary form of darning), before a length of weft is inserted in the warp, the warp is separated, over a short length extending from the cloth already formed, into two sheets. The process is called shedding and the space between the sheets the shed.

What are the advantages and disadvantages of power looms? ›

Since power looms are mechanically powered, they were preferred over handloom since they work 10 times quickly and efficiently which leads to bulk production. But one of the drawbacks of the power loom is that is can only weave one of a kind of designs and patterns.

What are the advantages of weaving? ›

In woven fabrics, the threads or yarn are pulled more tightly together as they're woven over and under each other. This means they provide more insulation than knits. This is also what makes wovens better at blocking out the wind.

What are the features of loom? ›

Loom Business and Enterprise enhance your recording experience with a number of premium features. This includes custom branding, Engagement Insights, calls-to-action, unlimited storage, recording length up to 6 hours, HD recording, click emphasis, drawing tools, custom recording size, and so much more.

Which type of yarn is not suitable for air jet weaving? ›

Though heavier yarns are suitable for air jet looms,lighter yarns are very difficult to control through the shed. It has also beennoticed that two heavy yarns also can't be carried across the loom by air jet.

What is the size of air jet loom? ›

Air Jet Looms : 3100 * 1200 * 1500 mm, For weaving fabrics, 2.2 KW, 800 Meters/day Supplier.

What is timing of a loom? ›

Loom timing is defined as relative chronological sequences of various primary and secondary motions are expressed in terms of degree of crank shaft rotation. The loom timing is presented by a diagram termed as “Loom Timing Diagram”.

What are looms what are two types of looms? ›

  • Looms are the devices that are used for making yarn to fabric. There are two types of looms: handlooms and power loom. A loom that is operated by hand is called a handloom, and a loom that works on electric power is called a power loom.
  • The process of converting the yarn to fabric is known as weaving.

What is loom for what purpose it is used? ›

loom, machine for weaving cloth. The earliest looms date from the 5th millennium bc and consisted of bars or beams fixed in place to form a frame to hold a number of parallel threads in two sets, alternating with each other.

What are the 5 advantages of airways? ›

What are some of the advantages of air transportation?
  • A. It is the fastest mode of transport. Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses.
  • B. It is eco-friendly. No worries! We've got your back. ...
  • C. It is the cheapest mode of travel. No worries! ...
  • D. It is beneficial during emergencies. Right on!

What are the 5 advantages of air transport? ›

Advantages of air transportation
  • Fast delivery times. Undoubtedly, one of the most advantageous features offered by air transport is its speedy delivery times. ...
  • No Physical Limits. ...
  • Very reliable transportation. ...
  • Long Distances. ...
  • Higher Cost. ...
  • Less storage capacity. ...
  • Restrictions on goods.
Oct 17, 2022

What is the advantage of using air? ›

It is the fastest mode of transport and therefore suitable for carriage of goods over a long distance. It require less time. Air transport provides comfortable, efficient and quick transport services. It is regarded as best mode of transport for transporting perishable goods.

What are two advantages and disadvantages of air transport? ›

In the case of air transport, the main benefits are focused on the speed of the service, as well as reliability for delivery, while the main drawback is its high cost (compared to other types of freight transport such as maritime in the terrestrial).

What is the main advantage of air transport is safety? ›

High Standard of Security

High standard of protection with a low risk of robbery and injury. Shipping by air has a high degree of security since airport safety restrictions on cargo are strictly enforced. Tightly controlled airport controls also minimise cargo theft and loss.

What is the main disadvantage of airways? ›

Air Transport carries certain disadvantages too and they are: (i) Cost of operating airlines is very high and so freight cost is very high as compared to sea transport. (ii) It is difficult to carry bulky, awkwardly shaped goods. (iii) Very risky in case of accident.

What are the 3 major threats in air transport? ›

Current risks and threats to the aviation industry
  • Ongoing COVID-19 Disruption. ...
  • The Ongoing Impact of Brexit. ...
  • Rising & Unstable Fuel Prices. ...
  • Global Instability & The Threat of War. ...
  • Staff Shortages & Changing Demographics. ...
  • Airport Capacity Issues. ...
  • Pilot Shortages. ...
  • Uncertainty Over Business Travel.
Aug 2, 2022

What are two of the most critical problems for the future of air transportation? ›

Safety and security remain top issues for commercial aviation companies. What are they doing to continue improving in these areas? If there is any one universal top priority of every airline worldwide, it is ensuring the safety and security of their passengers, crew, and the greater public.

What are the challenges faced by air transport? ›

Climate change and environmental issues certainly remain among the key challenges faced by the airline industry. Since commercial aviation is responsible for a significant percentage of carbon emissions, the industry is under significant pressure to take measures to reduce the environmental impact of air travel.

How is a loom like a computer? ›

The Jacquard Loom is important to computer history because it is the first machine to use interchangeable punch cards to instruct a machine to perform automated tasks. Having a machine that could perform various tasks is similar to today's computer programs that can be programmed to perform different tasks.

What is the classification of loom? ›

Generally classification of loom in two types.

Hand loom. Power loom.

What is loom design? ›

Handwoven textiles, Homewares, Gifts & jewellery

Designed in Willunga, South Australia, Loom Designs creates beautiful, considered textiles, homewares, gifts and jewellery pieces - all crafted with natural or repurposed materials, using traditional skills by women in Laos & Cambodia.

What is an example of loom? ›

Verb Storm clouds loomed on the horizon. The mountains loom above the valley.

What are 3 primary motions of the loom? ›

The above mentioned all the three primary motions of a weaving loom i.e. picking, shedding and beating is done in a cyclic order and the fabric is manufactured.

What are the threads on a loom called? ›

Warp: Threads running the length of the loom across which threads are woven. Weft (filling): Threads which are woven crosswise to the warp to form the web.

Is it easy to use a loom? ›

People often ask me if weaving is hard. Well, there is no straightforward answer. The truth is, weaving is hard, but it is also easy. The simplicities and difficulties of weaving balance out into an art that is both meditative and challenging; it is relaxing, occasionally boring, but somehow always interesting.

What is air jet spinning process? ›

Air-jet spinning is a pneumatic method which consists of passing a drafted strand of fibers through one or two fluid nozzles located between the front roller of a drafting system and a take up a device. Look at the figure which demonstrates the Murata principle of producing fasciated yarns with two nozzles N1 and N2.

What is looming process in textile? ›

The process of preparing a loom before starting the weaving process is commonly known as looming. It includes Drawing in Draft (DID), Denting, Pinning, Gaiting, and knotting of warp threads by using different looming elements (drawing hook, denting plate).

How weaving is done on a loom? ›

In general, weaving involves using a loom to interlace two sets of threads at right angles to each other: the warp which runs longitudinally and the weft (older woof) that crosses it. (Weft is an Old English word meaning "that which is woven"; compare leave and left.)

What is the working principle of multiphase loom? ›

Multiphase weaving machine continually inserts weft yarns from yarn carriers. Rotary beat-up devices press inserted yarn firmly against previously formed cloth. If the pattern changes, small groups of yarns are changed into a new shedding position after each new yarn carrier has passed.

What are the factors that affect the efficiency of an air jet? ›

Other important factors that appear to be worthy of consideration for improving the air efficiency of the air-jet weaving are the shape and density of the reed, the quality and density of the warp yarns, and the shed size.

What is the objective of air jet spinning? ›

Air-jet spinning is the latest in a string of technological developments intended to increase production speed and flexibility. This technique is also known as fascinated yarn spinning. Air-jet spinning system which consists of a 3-over-3 high-speed roller drafting unit, the basic jet design is also shown.

What is the objective of air jet machine? ›

Air jet weaving machine is a kind of shuttleless loom which is to apply the jet air drawing the weft through the shed. The operating principle is to take advantage of air to treat it as the medium of weft insertion, and the compressed air is used to draw the frictional traction force of the weft yarn.

What are the stages of loom? ›

The weaving process consists of several phases, such as: winding, warping, sizing, drawing-in, weaving and finally the control on the greige fabric.

What are the advantages of multiphase loom? ›

Advantages of Multiphase Loom Over Conventional Loom:

Its advantages include high efficiency, high speed and low weaving cost. The multiphase loom can form many different sheds at different places, thereby enabling insertion of number of filling yarns, one behind the other.

How do you measure multiphase flow? ›

Naturally, the most accurate method of measuring multiphase flow is to first separate the components of the total stream, and only then measure the flows of the individual components leaving the separator, using high precision flowmeters like Coriolis (Figure 1).

What is multiphase flow example? ›

A multiphase flow is defined as one in which more than one phase (i.e., gas, solid and liquid) occurs. Such flows are ubiquitous in industry, examples being gas-liquid flows in evaporators and condensers, gas-liquid-solid flows in chemical reactors, solid-gas flows in pneumatic conveying, etc.


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Author: Zonia Mosciski DO

Last Updated: 03/22/2023

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Author information

Name: Zonia Mosciski DO

Birthday: 1996-05-16

Address: Suite 228 919 Deana Ford, Lake Meridithberg, NE 60017-4257

Phone: +2613987384138

Job: Chief Retail Officer

Hobby: Tai chi, Dowsing, Poi, Letterboxing, Watching movies, Video gaming, Singing

Introduction: My name is Zonia Mosciski DO, I am a enchanting, joyous, lovely, successful, hilarious, tender, outstanding person who loves writing and wants to share my knowledge and understanding with you.