Working principle of rapier and essential parts
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Working principle of rapier, essential parts, types of rapier machine like single rapier and double rapier.
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Projectile Loom | Rapier Loom | Multi-Phase Loom | Weaving Technology | Study...
The document discusses different types of looms and their weft insertion mechanisms, including projectile looms, rapier looms, air jet looms, and multiphase looms. It describes the torsion bar picking mechanism of projectile looms and covers topics like weft insertion, selvedges, classifications of double rapier looms, air treatment systems for air jet looms, and calculations for fabric and yarn production.
Rapier weaving
Rapier weaving is a shuttleless weaving technique where rigid or flexible rapiers carry the weft yarn through the shed. There are single and double rapier systems, with double being more common. In double systems, one rapier (giver) brings the yarn to the center and transfers it to the other rapier (taker) to carry to the other side. Dewas and Gabler systems differ in how the transfer occurs. Rapier machines are versatile and efficient with minimal stress on the weft yarn, resulting in high quality fabrics and low yarn breakage. Factors like machine speed, yarn properties, and shed formation affect yarn stresses.
Bdft ii, tmt, unit-i, loom & itz types
This document compares conventional looms to modern looms, focusing on shuttle looms, projectile looms, and rapier looms. Shuttle looms are the oldest type but are slow and noisy. Projectile looms insert weft using a bullet-like projectile and have advantages like higher speeds, less wear on threads, and ability to weave multiple fabrics at once. Rapier looms insert weft using rigid or flexible rapiers and gripper heads, allowing for high insertion rates but also potential for more yarn breaks if not properly tensioned. Modern looms like projectile and rapier looms offer improvements over conventional shuttle looms through technological refinements.
woven fabric manufacturing
Multiphase looms overcome limitations of single phase looms by forming multiple sheds across the fabric width simultaneously, allowing multiple weft yarns to be inserted in parallel. They are classified as parallel shed or wave shed looms depending on whether they form sheds in the warp or weft direction. Parallel shed looms form sheds parallel to each other in the warp direction, while wave shed looms form a shed wave in the weft direction using circular or flat machine designs. Multiphase looms allow higher production rates than single phase looms of up to 5000 meters per minute.
Multiphase weaving
The document discusses multiphase weaving machines. It describes two principles of multiphase weaving: the filling direction shed wave principle and the warp direction shed wave principle. The filling direction principle involves forming multiple sheds in the filling direction to allow simultaneous insertion of multiple wefts. The warp direction principle involves opening multiple sheds simultaneously across the warp width. It then focuses on the M8300 multiphase weaving machine, which uses the warp direction principle to insert 4 picks simultaneously at speeds over 5000 m/min, significantly faster than single phase machines.
Multiphase, a new concept of weaving
This document discusses different types of weaving machines, including multiphase weaving machines. It describes wave shed and parallel shed multiphase looms. Wave shed looms have shuttles that travel in straight or circular paths, while parallel shed looms form successive parallel sheds across the warp. The fastest weaving machine is the Sulzer M8300 multiphase loom, which can produce up to 1500 meters of fabric per day at a production cost 25-30% lower than single phase looms.
Projectile weaving
The document summarizes projectile weaving, which uses gripper projectiles to insert weft threads into warp threads. Key points:
- Projectile weaving machines were invented in 1924 and introduced commercially in 1953. They use small, bullet-like projectiles to insert weft threads at high speeds up to 1500 picks per minute.
- Projectile looms produce fabrics with good quality at high efficiency and low energy use. They can weave a wide variety of yarns from fine to coarse.
- The projectile is propelled through the warp shed using stored energy from a twisted metal torsion bar, allowing very high insertion speeds. It grips the weft securely and deposits it without
Unconventional method of weft insertion
This document describes three main methods of shuttleless weaving: projectile, rapier, and air jet.
Projectile looms use small gripper bullets to carry the weft yarn across, but dragging the yarn can strain weak yarns. Rapier looms use rapiers, either single long rapiers or double rapiers that transfer the yarn between two rapiers. Air jet looms insert yarn using compressed air nozzles but cannot produce varied fabrics. Water jet looms use high pressure water to shoot the yarn across but are only suitable for hydrophobic fibers.
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Projectile Loom | Rapier Loom | Multi-Phase Loom | Weaving Technology | Study...
The document discusses different types of looms and their weft insertion mechanisms, including projectile looms, rapier looms, air jet looms, and multiphase looms. It describes the torsion bar picking mechanism of projectile looms and covers topics like weft insertion, selvedges, classifications of double rapier looms, air treatment systems for air jet looms, and calculations for fabric and yarn production.
Rapier weaving
Rapier weaving is a shuttleless weaving technique where rigid or flexible rapiers carry the weft yarn through the shed. There are single and double rapier systems, with double being more common. In double systems, one rapier (giver) brings the yarn to the center and transfers it to the other rapier (taker) to carry to the other side. Dewas and Gabler systems differ in how the transfer occurs. Rapier machines are versatile and efficient with minimal stress on the weft yarn, resulting in high quality fabrics and low yarn breakage. Factors like machine speed, yarn properties, and shed formation affect yarn stresses.
Bdft ii, tmt, unit-i, loom & itz types
This document compares conventional looms to modern looms, focusing on shuttle looms, projectile looms, and rapier looms. Shuttle looms are the oldest type but are slow and noisy. Projectile looms insert weft using a bullet-like projectile and have advantages like higher speeds, less wear on threads, and ability to weave multiple fabrics at once. Rapier looms insert weft using rigid or flexible rapiers and gripper heads, allowing for high insertion rates but also potential for more yarn breaks if not properly tensioned. Modern looms like projectile and rapier looms offer improvements over conventional shuttle looms through technological refinements.
woven fabric manufacturing
Multiphase looms overcome limitations of single phase looms by forming multiple sheds across the fabric width simultaneously, allowing multiple weft yarns to be inserted in parallel. They are classified as parallel shed or wave shed looms depending on whether they form sheds in the warp or weft direction. Parallel shed looms form sheds parallel to each other in the warp direction, while wave shed looms form a shed wave in the weft direction using circular or flat machine designs. Multiphase looms allow higher production rates than single phase looms of up to 5000 meters per minute.
Multiphase weaving
The document discusses multiphase weaving machines. It describes two principles of multiphase weaving: the filling direction shed wave principle and the warp direction shed wave principle. The filling direction principle involves forming multiple sheds in the filling direction to allow simultaneous insertion of multiple wefts. The warp direction principle involves opening multiple sheds simultaneously across the warp width. It then focuses on the M8300 multiphase weaving machine, which uses the warp direction principle to insert 4 picks simultaneously at speeds over 5000 m/min, significantly faster than single phase machines.
Multiphase, a new concept of weaving
This document discusses different types of weaving machines, including multiphase weaving machines. It describes wave shed and parallel shed multiphase looms. Wave shed looms have shuttles that travel in straight or circular paths, while parallel shed looms form successive parallel sheds across the warp. The fastest weaving machine is the Sulzer M8300 multiphase loom, which can produce up to 1500 meters of fabric per day at a production cost 25-30% lower than single phase looms.
Projectile weaving
The document summarizes projectile weaving, which uses gripper projectiles to insert weft threads into warp threads. Key points:
- Projectile weaving machines were invented in 1924 and introduced commercially in 1953. They use small, bullet-like projectiles to insert weft threads at high speeds up to 1500 picks per minute.
- Projectile looms produce fabrics with good quality at high efficiency and low energy use. They can weave a wide variety of yarns from fine to coarse.
- The projectile is propelled through the warp shed using stored energy from a twisted metal torsion bar, allowing very high insertion speeds. It grips the weft securely and deposits it without
Unconventional method of weft insertion
This document describes three main methods of shuttleless weaving: projectile, rapier, and air jet.
Projectile looms use small gripper bullets to carry the weft yarn across, but dragging the yarn can strain weak yarns. Rapier looms use rapiers, either single long rapiers or double rapiers that transfer the yarn between two rapiers. Air jet looms insert yarn using compressed air nozzles but cannot produce varied fabrics. Water jet looms use high pressure water to shoot the yarn across but are only suitable for hydrophobic fibers.
Multi phase and circular loom by Vignesh Dhanabalan
1. Multiphase weaving machines operate using either the warp direction shed wave principle or the weft direction shed wave principle to open multiple sheds simultaneously and insert weft yarn in multiple locations at once.
2. This allows multiphase looms to achieve 3 to 4 times higher productivity compared to single-phase looms when weaving simple standard fabrics.
3. Key components of multiphase looms include shed forming elements to open sheds in waves across the loom width, weft insertion using compressed air, and beat-up combs to consolidate the fabric.
Rapier loom
The document describes Abdullah Al Mahfuj's profile and a presentation on a rapier loom. It defines a rapier loom as using a rapier device to insert the weft yarn across the loom. There are two main types - single and double rapier looms. The presentation discusses the features, advantages and disadvantages of rapier looms, noting they can produce fancy fabrics but at a higher cost than other looms.
Working principle of rapier and essential parts
The document discusses the working principle and essential parts of a rapier weaving machine. A rapier loom uses finger-like carriers called rapiers to carry the filling yarn through the shed from one side of the loom to the other without using a shuttle. There are two main types: single rapier machines which use a single rigid rapier, and double rapier machines which use two rapiers - one to carry the yarn to the center and the other to carry it across. The rapier head picks up the filling yarn and carries it through the shed, then returns empty to pick up the next yarn. Essential parts include the motor, crank shaft, bottom shaft, grippers tapes,
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The document discusses the rapier loom weaving process. A rapier loom uses a rapier device to pull the weft yarn across the loom. It can use a single rapier or double rapier system. In a single rapier loom, a long rigid rapier extends across the full width. In a double rapier loom, two rapiers enter from opposite sides and transfer the weft between them in the center. The document describes different types of rapier systems including rigid, flexible, telescopic, and their advantages and disadvantages. It also discusses weft insertion methods like tip transfer and loop transfer systems.
Multiphase Loom
The document describes a multiphase loom assignment submitted by 6 students. It provides details on the mechanisms of circular and flat multiphase looms. Circular looms use two warp beams, closed reeds to spread the warp circularly, and electromagnetic shuttles that follow a circular path. Flat looms use positive weft carrier drives and rotating reeds for beat-up. The document also outlines features such as medium fabric production and use of split harnesses for shedding.
Modern Loom
This document provides information about different types of modern looms. It begins with introducing the presenters and then defines a loom as a device used for weaving fabrics. It proceeds to describe several types of modern shuttleless looms - rapier, air jet, water jet, and projectile looms. For each loom type, it discusses their key features, mechanisms, advantages, and applications. Multiphase looms, which allow continuous weft insertion through ever-changing warp sheds, are also briefly covered.
Picking and its classification
This document discusses different types of picking and picking mechanisms used in weaving. It begins with an introduction to picking, which is the process of passing the weft yarn through the warp shed during weaving. It then describes various picking mechanisms including overpicking, underpicking, and cone overpick and underpick mechanisms. The document provides details on how these different mechanisms work to insert the weft yarn through the shed. It concludes with advantages and disadvantages of different weft insertion methods like projectile, rapier, air jet, and water jet looms.
Rapier loom
The document discusses the rapier loom, a type of shuttleless weaving loom. A rapier loom uses finger-like carriers called rapiers to pull the weft yarn across the loom between the warp yarns. There are two main types - single rigid rapier looms, which use one long rapier across the full width, and double rigid rapier looms, which use two rapiers entering from opposite sides to transfer the weft yarn. Rapier looms can operate at high speeds up to 1300 meters of weft per minute. They are flexible and can weave a wide range of fabrics from light to heavy weights.
Rapier Loom
This document discusses the rapier loom and rapier weaving. It begins by defining a rapier loom as one that uses a rapier to pull the weft yarn across the loom. It can use a single or double rapier system. It then describes the key components and functioning of single and double rigid and flexible rapier systems. It also discusses different weft insertion principles like Dewas and Gabler systems as well as rapier drives, features of modern rapier looms, selvedge formation, weft insertion rates, and equations for calculating weaving production rates.
Picking mechnism in weaving
Describes about the picking mechanism in weaving machine and types of picking in shuttle and projectile loom
Advanced weft systems
The document discusses various weaving processes and advancements in weft insertion systems. It describes the basic weaving process involving warp let-off, shedding, picking, beating, and fabric take-up. It then summarizes different weft insertion systems including projectile, rapier, air-jet, water-jet, and multiphase weaving machines. Projectile weaving was the first successful shuttleless system. Rapier weaving uses rigid or flexible rapiers to insert the weft. Air-jet and water-jet use compressed fluids to carry the weft yarn. Multiphase weaving forms multiple sheds simultaneously to increase production rates.
Classifications of shuttless weaving
This document discusses different types of shuttleless looms. It classifies shuttleless looms into three categories: partially guided solid carrier looms like projectile looms; fully guided solid carrier looms like rapier looms; and fluid carrier looms like air jet and water jet looms. Projectile looms use small projectiles to carry the weft yarn through the shed, rapier looms use fork-like rapiers, and fluid carrier looms use compressed air or water to propel the weft yarn. Shuttleless looms are faster, quieter, and produce better fabric quality than shuttle looms.
Auxiliary motion of a loom
1) A loom is a device used to weave cloth by holding warp threads under tension to allow weft threads to be interwoven.
2) Additional auxiliary mechanisms like warp stop motion, weft stop motion, and temples are added to looms to improve productivity, quality, and stop the loom if threads break.
3) Key auxiliary motions include warp and weft stop motions to stop the loom if threads break, temples to hold the cloth width even, and brakes to manually stop the loom for repairs.
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Different types of loom
Loom is machine or device which is used to produce woven fabric. It is the central point of whole process of cloth production. In other word, a loom is a mechanism or tool used for weaving yarn and thread into textiles. Looms vary in a wide assortment of sizes. They come in huge free standing hand looms, tiny hand-held frames, to vast automatic mechanical tools. A loom can as well pertain to an electric line construction like that of a wiring loom. The main task of looms is to clutch the twist threads under pressure to enable the progress of interweaving of the woof strands. The loom's system and exact form can differ to some extent; however it still performs the basic application.
Shuttle less weaving
This document discusses drawbacks of conventional shuttle looms and advantages of shuttleless looms. Some key drawbacks of conventional looms include large shuttle mass wasting energy, unguided shuttle flight causing damage, and varying shuttle mass affecting weft tension. Shuttleless looms overcome these issues by separating weft storage from transport, allowing for smaller, lighterweight carriers and higher loom speeds with wider reeds for improved productivity and fabric quality. Functional principles of commercially successful shuttleless systems include using partially guided solid carriers or pressurized fluid jets to transport weft across the shed in a controlled manner.
Textile manufacturing & technology
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Hand loom
Loom is a machine used for weaving fabric by interlacing warp and weft threads. Looms have evolved over thousands of years from simple wooden hand looms to modern power looms driven by electricity. Key developments include the fly shuttle in 1733, Cartwright's power loom in 1785, individual electric motor drives in the 1930s, and modern automated looms with features like projectile, rapier, and air jet weft insertion systems. The complete weaving process involves preparing warp threads, designing the pattern, dyeing yarn, winding the warp, threading the loom, weaving, and finishing the fabric.
Conventional loom and modern loom
This presentation compares conventional and modern looms. Conventional looms operate more slowly with lower production capacity, while modern looms operate faster with higher output. Conventional looms are manually operated, while modern looms use electric power. Modern looms allow for more design variety and improved safety systems compared to conventional looms. Specific modern loom types discussed include rapier, air jet, water jet, and projectile looms, which utilize different automated processes for inserting the weft through the warp shed.
MULTIPHASE WEAVING MACHINES
1) Multiphase weaving incorporates two principles - filling direction shed wave principle and warp direction shed wave principle. It allows for multiple sheds to be opened simultaneously across the width of the fabric for high speed weft insertion.
2) There are two types of multiphase looms - circular and flat. Circular looms use an electromagnetic or rack and pinion system to drive the shuttle in a circular motion. Flat looms form multiple linear sheds across the width.
3) New developments in multiphase looms include the use of air jet nozzles to insert multiple wefts simultaneously and oscillating reeds that help drive the weft carriers and perform beat-up. Modular designs
LOOM Coworking of Fort Mill
We are proud to announce that in Spring 2016, there will be a great new community in York County for all freelancers, at-home and mobile workers, entrepreneurs, consultants, contract workers, and more. After years of seeing successful coworking communities in Uptown Charlotte thrive, we are excited to bring that vibrancy and innovation to Fort Mill, Rock Hill and South Charlotte!
Before we open our doors, we want to get to know the people in our community and what YOU would want in a coworking environment. Connect with us and join in some brainstorming about what services and amenities we could supply and what your talents can bring to the table!
Don’t know about coworking? Check out this intro, like our page and join our meet-up group …. That way, you can stay informed of events and developments and make connections that will help you AND your business.
AXMINSTER WEAVING MACHINE MAX 91 ,VAN DE WIELE
The document describes the Van de Wiele MAX 91 Axminster weaving machine. Some key points:
1) The MAX 91 was the first machine designed specifically for high-speed Axminster carpet weaving.
2) It has a robust frame and servomotors that allow for quick cutting motions and slower return motions to reduce heat.
3) The machine can weave area rugs with a hand-knotted look using a patented two-shot weave structure through the back of the rug.
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1. Multiphase weaving machines operate using either the warp direction shed wave principle or the weft direction shed wave principle to open multiple sheds simultaneously and insert weft yarn in multiple locations at once.
2. This allows multiphase looms to achieve 3 to 4 times higher productivity compared to single-phase looms when weaving simple standard fabrics.
3. Key components of multiphase looms include shed forming elements to open sheds in waves across the loom width, weft insertion using compressed air, and beat-up combs to consolidate the fabric.
Rapier loom
The document describes Abdullah Al Mahfuj's profile and a presentation on a rapier loom. It defines a rapier loom as using a rapier device to insert the weft yarn across the loom. There are two main types - single and double rapier looms. The presentation discusses the features, advantages and disadvantages of rapier looms, noting they can produce fancy fabrics but at a higher cost than other looms.
Working principle of rapier and essential parts
The document discusses the working principle and essential parts of a rapier weaving machine. A rapier loom uses finger-like carriers called rapiers to carry the filling yarn through the shed from one side of the loom to the other without using a shuttle. There are two main types: single rapier machines which use a single rigid rapier, and double rapier machines which use two rapiers - one to carry the yarn to the center and the other to carry it across. The rapier head picks up the filling yarn and carries it through the shed, then returns empty to pick up the next yarn. Essential parts include the motor, crank shaft, bottom shaft, grippers tapes,
Rapier loom by Vignesh Dhanabalan
The document discusses the rapier loom weaving process. A rapier loom uses a rapier device to pull the weft yarn across the loom. It can use a single rapier or double rapier system. In a single rapier loom, a long rigid rapier extends across the full width. In a double rapier loom, two rapiers enter from opposite sides and transfer the weft between them in the center. The document describes different types of rapier systems including rigid, flexible, telescopic, and their advantages and disadvantages. It also discusses weft insertion methods like tip transfer and loop transfer systems.
Multiphase Loom
The document describes a multiphase loom assignment submitted by 6 students. It provides details on the mechanisms of circular and flat multiphase looms. Circular looms use two warp beams, closed reeds to spread the warp circularly, and electromagnetic shuttles that follow a circular path. Flat looms use positive weft carrier drives and rotating reeds for beat-up. The document also outlines features such as medium fabric production and use of split harnesses for shedding.
Modern Loom
This document provides information about different types of modern looms. It begins with introducing the presenters and then defines a loom as a device used for weaving fabrics. It proceeds to describe several types of modern shuttleless looms - rapier, air jet, water jet, and projectile looms. For each loom type, it discusses their key features, mechanisms, advantages, and applications. Multiphase looms, which allow continuous weft insertion through ever-changing warp sheds, are also briefly covered.
Picking and its classification
This document discusses different types of picking and picking mechanisms used in weaving. It begins with an introduction to picking, which is the process of passing the weft yarn through the warp shed during weaving. It then describes various picking mechanisms including overpicking, underpicking, and cone overpick and underpick mechanisms. The document provides details on how these different mechanisms work to insert the weft yarn through the shed. It concludes with advantages and disadvantages of different weft insertion methods like projectile, rapier, air jet, and water jet looms.
Rapier loom
The document discusses the rapier loom, a type of shuttleless weaving loom. A rapier loom uses finger-like carriers called rapiers to pull the weft yarn across the loom between the warp yarns. There are two main types - single rigid rapier looms, which use one long rapier across the full width, and double rigid rapier looms, which use two rapiers entering from opposite sides to transfer the weft yarn. Rapier looms can operate at high speeds up to 1300 meters of weft per minute. They are flexible and can weave a wide range of fabrics from light to heavy weights.
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This document discusses the rapier loom and rapier weaving. It begins by defining a rapier loom as one that uses a rapier to pull the weft yarn across the loom. It can use a single or double rapier system. It then describes the key components and functioning of single and double rigid and flexible rapier systems. It also discusses different weft insertion principles like Dewas and Gabler systems as well as rapier drives, features of modern rapier looms, selvedge formation, weft insertion rates, and equations for calculating weaving production rates.
Picking mechnism in weaving
Describes about the picking mechanism in weaving machine and types of picking in shuttle and projectile loom
Advanced weft systems
The document discusses various weaving processes and advancements in weft insertion systems. It describes the basic weaving process involving warp let-off, shedding, picking, beating, and fabric take-up. It then summarizes different weft insertion systems including projectile, rapier, air-jet, water-jet, and multiphase weaving machines. Projectile weaving was the first successful shuttleless system. Rapier weaving uses rigid or flexible rapiers to insert the weft. Air-jet and water-jet use compressed fluids to carry the weft yarn. Multiphase weaving forms multiple sheds simultaneously to increase production rates.
Classifications of shuttless weaving
This document discusses different types of shuttleless looms. It classifies shuttleless looms into three categories: partially guided solid carrier looms like projectile looms; fully guided solid carrier looms like rapier looms; and fluid carrier looms like air jet and water jet looms. Projectile looms use small projectiles to carry the weft yarn through the shed, rapier looms use fork-like rapiers, and fluid carrier looms use compressed air or water to propel the weft yarn. Shuttleless looms are faster, quieter, and produce better fabric quality than shuttle looms.
Auxiliary motion of a loom
1) A loom is a device used to weave cloth by holding warp threads under tension to allow weft threads to be interwoven.
2) Additional auxiliary mechanisms like warp stop motion, weft stop motion, and temples are added to looms to improve productivity, quality, and stop the loom if threads break.
3) Key auxiliary motions include warp and weft stop motions to stop the loom if threads break, temples to hold the cloth width even, and brakes to manually stop the loom for repairs.
Study on modern loom
It is a fully informative presentation slide about Modern Loom. Here we discussed about Modern Loom, Types & details of every types with figure and video.
Different types of loom
Loom is machine or device which is used to produce woven fabric. It is the central point of whole process of cloth production. In other word, a loom is a mechanism or tool used for weaving yarn and thread into textiles. Looms vary in a wide assortment of sizes. They come in huge free standing hand looms, tiny hand-held frames, to vast automatic mechanical tools. A loom can as well pertain to an electric line construction like that of a wiring loom. The main task of looms is to clutch the twist threads under pressure to enable the progress of interweaving of the woof strands. The loom's system and exact form can differ to some extent; however it still performs the basic application.
Shuttle less weaving
This document discusses drawbacks of conventional shuttle looms and advantages of shuttleless looms. Some key drawbacks of conventional looms include large shuttle mass wasting energy, unguided shuttle flight causing damage, and varying shuttle mass affecting weft tension. Shuttleless looms overcome these issues by separating weft storage from transport, allowing for smaller, lighterweight carriers and higher loom speeds with wider reeds for improved productivity and fabric quality. Functional principles of commercially successful shuttleless systems include using partially guided solid carriers or pressurized fluid jets to transport weft across the shed in a controlled manner.
Textile manufacturing & technology
Modern Weaving Technology was presented by Ghulam Mustafa and Sagar Sarker. The document discussed traditional weaving technologies like the back strap loom, warp-weighted loom, draw loom, handloom, flying shuttle, and power loom. It then described modern looms like the rapier, projectile, water jet, air jet, and multiphase looms. The various looms were compared in terms of speed, weft insertion technique, and applications. Global weaving equipment market trends and major players in the market were also mentioned.
Hand loom
Loom is a machine used for weaving fabric by interlacing warp and weft threads. Looms have evolved over thousands of years from simple wooden hand looms to modern power looms driven by electricity. Key developments include the fly shuttle in 1733, Cartwright's power loom in 1785, individual electric motor drives in the 1930s, and modern automated looms with features like projectile, rapier, and air jet weft insertion systems. The complete weaving process involves preparing warp threads, designing the pattern, dyeing yarn, winding the warp, threading the loom, weaving, and finishing the fabric.
Conventional loom and modern loom
This presentation compares conventional and modern looms. Conventional looms operate more slowly with lower production capacity, while modern looms operate faster with higher output. Conventional looms are manually operated, while modern looms use electric power. Modern looms allow for more design variety and improved safety systems compared to conventional looms. Specific modern loom types discussed include rapier, air jet, water jet, and projectile looms, which utilize different automated processes for inserting the weft through the warp shed.
MULTIPHASE WEAVING MACHINES
1) Multiphase weaving incorporates two principles - filling direction shed wave principle and warp direction shed wave principle. It allows for multiple sheds to be opened simultaneously across the width of the fabric for high speed weft insertion.
2) There are two types of multiphase looms - circular and flat. Circular looms use an electromagnetic or rack and pinion system to drive the shuttle in a circular motion. Flat looms form multiple linear sheds across the width.
3) New developments in multiphase looms include the use of air jet nozzles to insert multiple wefts simultaneously and oscillating reeds that help drive the weft carriers and perform beat-up. Modular designs
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Before we open our doors, we want to get to know the people in our community and what YOU would want in a coworking environment. Connect with us and join in some brainstorming about what services and amenities we could supply and what your talents can bring to the table!
Don’t know about coworking? Check out this intro, like our page and join our meet-up group …. That way, you can stay informed of events and developments and make connections that will help you AND your business.
AXMINSTER WEAVING MACHINE MAX 91 ,VAN DE WIELE
The document describes the Van de Wiele MAX 91 Axminster weaving machine. Some key points:
1) The MAX 91 was the first machine designed specifically for high-speed Axminster carpet weaving.
2) It has a robust frame and servomotors that allow for quick cutting motions and slower return motions to reduce heat.
3) The machine can weave area rugs with a hand-knotted look using a patented two-shot weave structure through the back of the rug.
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The document discusses the history of the loom. Weaving was introduced to early human societies and major textile developments occurred in England. Traditional looms required at least two people, with later innovations including the horizontal loom, hand loom, power loom, automatic loom, and shuttleless looms which increased efficiency and automation.
Handloom weaving in madurai
This document summarizes a study of the handloom weaving cluster in Madurai, Tamil Nadu. It finds that Madurai has a long history of weaving dating back centuries. A survey of weavers in the area found that most are illiterate men who have been weaving for decades. They weave Kodambakkam sarees manually for societies or private owners and earn low wages. While weaving is their sole source of income, most do not want their children to continue in the profession due to low pay and lack of opportunities. The study concludes that visiting the weavers' community provided valuable insights into their lives and challenges.
Types of Looms and Weaves
Here is a complete discription for students who are studying initial stages of Weaving
Thet may be able to understand the different types of Looms and End product from these Looms
Process control of weaving
This document discusses process control in weaving. It begins by defining process control and explaining that quality is formed during production. It then outlines the 6 steps of process control: 1) draw a process flow chart, 2) segregate where changes occur, 3) find control points, 4) determine variables out of range, 5) identify causes, and 6) make recommendations. The document provides details on process control for the warping, sizing, drawing and trying, and looming sections of weaving. It concludes that this experiment increased knowledge of process quality control in weaving.
water Jet loom 424
The document discusses water jet looms. It describes how water jet looms work by using a jet of water to insert the weft thread across the warp. This allows the looms to reach high production speeds of up to 2,000 picks per minute. The document outlines the key parts of a water jet loom and discusses their advantages in being quieter and more gentle on warp yarns compared to other loom types. However, it notes that water jet looms are best suited for hydrophobic fibers and cannot produce as wide a variety of fabrics.
Weaving, loom
The document discusses different types of looms used in weaving fabrics. It describes primitive looms like the vertical loom and pit loom. It then covers the development of powered looms using various energy sources like water, steam, diesel and electricity. The key components and motions of looms are explained, including shedding mechanisms like tappet, dobby and jacquard shedding. Tappet shedding is discussed in detail, outlining its working principle, advantages and limitations.
Weaving ( cordillera and region 1)
Weaving is a method of fabric production that involves interlacing two sets of threads perpendicular to each other at right angles. Various Philippine ethnic groups produce distinctive textiles using weaving techniques and natural dyes. Ikat weaving involves resist dyeing the warp or weft threads before weaving to create patterns, while fabrics from Kalinga, Bontoc, and other groups feature geometric designs and nature motifs woven with cotton, abaca, or other fibers.
Weaving Technology V1
The document discusses weaving technology and processes. It describes how weaving involves interlacing two sets of threads, the warp and weft. It then summarizes the key steps in preparing yarn for weaving: warping to transfer yarn to a beam, sizing to reduce hairiness and increase strength, and drawing-in yarns into the loom. The basic mechanisms of warp and weft control in weaving are also outlined.
Weaving
This document discusses the development of looms from primitive hand looms to modern automated looms. It outlines the key stages of development including the fly shuttle loom, power looms, semi-automatic looms, and modern shuttle-less looms. The basic mechanisms and motions of weaving are described, including primary, secondary, and tertiary motions. Different parts of a loom and their functions are also summarized.
Weaving Presentation By Sukhvir Sabharwal
The document discusses weaving processes and loom types. It begins by defining weaving as the interlacing of two sets of yarns. Several preparatory processes for weaving are described, including warping, sizing, and drawing the yarns through the loom. Different types of looms are outlined, from hand looms to power looms to shuttleless looms. Woven fabric structures like plain weave, twill weave, and satin/sateen weaves are also summarized. Finally, common weaving faults and how to mend them are briefly covered.
Weaving
This document discusses various aspects of ring spun yarn measurement and production. It begins by explaining that yarn size is typically measured through linear density or count systems. It then provides details on direct and indirect count calculation methods as well as conversions between different systems. The document also covers topics like folded and plied yarn calculations, the formation of different fabrics like weaving and knitting, and requirements for high quality yarn production. Key steps in the production process like winding, warping, sizing, drawing-in and weaving are outlined. Different weaving machine types based on the weft insertion method are also summarized.
Some lessons of Weaving
Woven fabric is produced by interlacing warp threads that run lengthwise with weft threads that run across. The appearance and properties of woven fabric depend on yarn structure and fabric structure. There are four basic fabric parameters: thread count, yarn diameter, yarn bending, and weaving order. Weaving involves repeatedly raising warp yarns with harnesses to make a shed, inserting the weft through with a shuttle or rapier, and firmly beating it into place with a reed. Modern looms use rapier or projectile picking for higher speeds.
Weaving
This document provides information about various topics related to textiles and weaving, including:
- Definitions of textile and weaving
- A flow chart showing the process of weaving from yarn to fabric
- Different types of yarn packages, fabrics, and medical and geo-textiles
- The objectives of yarn preparation and faults to be removed
- Qualities of a good warp
- Types of package winding and driving
- Factors affecting balloon shape during unwinding
- Types of yarn withdrawal and tension devices
- Effects of tension and the choice of tensioning device
- Objectives of warping and requirements
- Types of warping and their features
Process sequence of weaving
The document provides an overview of the process sequence for weaving. It begins with yarn from the spinning department which then undergoes processes like cone winding, warping, sizing, tying-in, drafting, and denting to prepare the warp threads. The warp is then mounted on the loom and undergoes weaving to produce grey fabric. Key steps in weaving include shedding, picking, and beating-up. The woven fabric then undergoes inspection, folding, and baling before delivery. The document outlines the various motions and essential parts of a loom needed to carry out this weaving process.
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BRAIDING.ppt
Braiding involves interlacing three or more yarns or strips diagonally to form flat or tubular fabrics. There are two main types of braids: circular/tubular braids formed around a central core, and flat braids made of narrow strips. Circular braiding machines have an even number of carriers that rotate in opposite directions, interlacing the yarns to form a tubular braid. The size of the braid depends on factors like yarn diameter and number of yarns. Braids are used for industrial belts, ropes, electrical wires and cables, and aircraft components.
Unit 5.1.2 5.1.3 ppt.pptx python extra work
Weaving involves interlacing two sets of yarns called warp and weft to form fabric. Preparation of these yarns for weaving involves processes like winding, warping, and sizing. Warp yarns require more preparation as they experience greater stresses during weaving. Weaving is done on handlooms or powerlooms. Handlooms are operated manually while powerlooms are mechanized and increase production speed. Common weaving techniques include throw shuttle, fly shuttle, and rapier looms.
WARPING PRESENTATION
The document discusses various aspects of warping, which is the process of winding yarn onto beams to create a warp. It describes the objectives of warping as uniformly spacing individual yarn ends across the full width to create a warp of specified length and width. The types of warping discussed are beam warping, pattern band or drum warping, and ball warping. Key components of warping machines like the creel, headstock, and pressure roller are also outlined. The document provides details on various creel types, requirements for good warping, potential defects in warped beams, and importance of warping for weaving.
Frame Handloom
This document discusses handlooms and their components and operation. It provides details on:
- What a handloom is and how it differs from a power loom in being manually operated.
- The basic parts of a frame loom including the warp roller, heddles, shuttle, beater, and treadles.
- The motions of a handloom including shedding, picking, beating-up, let-off, and take-up.
- How a handloom is set up and mounted, including drafting, denting, and tying the treadles to the heddles.
- The process of operating a handloom, including attending to warp and weft
Study on Warp Knitting Machine
This document describes an experiment conducted on a Tricot warp knitting machine. It includes:
1) An overview of the machine, its parts, and yarn path diagram. The main parts described are the compound needle, pattern chain, needle bar, and more.
2) Details of the specific machine used, including its brand, origin, specifications.
3) Explanations of how each part functions and their roles in the knitting process.
4) A conclusion that the experiment provided an introductory understanding of tricot knitting machines to help with future industrial applications.
U 5 sewing technology
1. The document discusses different types of sewing machines classified based on their technical characteristics and bed type. It covers basic, special, and automated sewing machines.
2. The main types of beds include flat, cylinder, post, feed-off-the-arm, side, and raised beds, each suited for different sewing applications and operations.
3. The document also examines the key parts of a sewing machine and provides examples of basic machines commonly used in garment manufacturing like single needle lockstitch, overlock, flatlock, feed of the arm, bartack and buttonhole machines.
Presentation of weaving
This document provides information on weaving machinery and processes. It discusses the objectives of training on weaving machines, which are to clarify machine types, evaluate project requirements, and increase awareness of the weaving process and technology. It describes the classification, types, and working principles of various weaving machines like shuttle looms, shuttleless looms (water jet, air jet, rapier, projectile), and their mechanisms. The document also covers preparatory processes like warping, sizing, and types of shedding motions like tappet, dobby, and jacquard that enable weaving different fabric structures.
Advancement-in-spinning-Techniques-seminar-report-1.ppt
1. Recent developments in blowroom machinery aim to improve fiber opening, cleaning, and preparation for downstream processes. Automatic bale openers, mote knives with suction, and optical/acoustic sorters help remove contaminants.
2. Modern carding achieves a high degree of cleaning, around 90-95%. Developments include improved feeding, multiple taker-ins, post-carding cleaning, and auto-leveling for more consistent sliver quality.
3. Drawframe developments enhance sliver evenness and blending through automatic break draft setting, tension measuring, and short-term auto-leveling. Cameras also monitor sliver quality.
4. Simplex/speed frame innovations
Carding (1)
The document summarizes the working principle and components of a carding machine. It describes the key zones - feed roller taker-in zone, taker-in cylinder zone, cylinder-flat zone, and cylinder-doffer zone. It explains the stripping, carding, and doffing actions that take place between different components to open, clean, and form fibers into a web. Characteristics of card sliver and factors that affect card clothing effectiveness are also summarized.
internship weaving
Erode is an agricultural and textile hub located in Tamil Nadu, India. It is surrounded by three rivers - Amaravathi, Bhavani, and Cauvery - and is one of the largest producers of turmeric and other crops in India. Texvalley is the largest wholesale textile market in Erode, located in the heart of South India's textile industry. Hema Chandra Textiles is a textile manufacturer in Erode that produces grey fabrics and woven fabrics. The document then describes the various processes involved in cotton spinning, sizing, yarn dyeing, and weaving from winding to weaving.
textile warping
The document provides information about warping processes. It discusses different types of warping machines including beam warping machines and sectional warping machines. It describes the components and functions of the creel and headstock. The creel holds supply packages in position for warping while the headstock contains mechanisms to control yarn speed and tension, and to wind the yarn onto the beam. Sectional warping is preferred for multi-colored warps as it develops the warp width in sections rather than all at once like beam warping. Control devices and stop motions are used to monitor for yarn breaks during warping.
Circular knitting machine
The document provides information about circular knitting machines. It defines knitting as transforming yarn into interlocking loops. Circular knitting creates seamless tubes using circular needles or machines. Machine parts include the frame, power supply, yarn feeding system, and quality control components. Circular knitting machines are used to produce fabrics for various garments and other materials. Modern machines feature computer controls to monitor functions like speed and stops.
Weaving1
The document provides details about the weaving process from warping to final folding of the woven fabric or towel. It involves key steps like warping, sizing, drawing-in, looming, and folding. Warping involves winding yarn parallel onto beams. Sizing adds size to strengthen the yarn. Drawing-in threads the yarn through heddles and reed according to the weave pattern. Looming uses looms like Sulzer or air jet to weave the warp and weft yarns. Folding inspects and packs the final woven product.
A comprehensive study on interlock circular knitting machine.
This document presents a study on interlock circular knitting machines. It was submitted by 8 students to their lecturer at Southeast University. The study introduces interlock knit structures, which are produced using specialized circular machines. It describes the yarn path and knitting action. Key parts of the machine like the cylinder, dial, needles and gears are explained. An example calculation is provided to determine production output based on machine specifications like diameter, gauge and speed. The major findings are that interlock structures require two sets of needles and the machine uses pulleys, belts and gears to transfer motion to the cylinder and dial for knitting.
Experiment Name: Study on Single Jursey Circular Knitting Machine
Experiment Name: Study on Single Jursey Circular Knitting MachineBGMEA University of Fashion & Technology
1) The document describes an experiment conducted to study a single jersey circular knitting machine.
2) The machine has one set of needles and one set of sinkers, with the needles and sinkers having different cam systems and the cams being stationary.
3) Key features of the machine include producing plain structure fabric using one set of latch needles and sinkers, and having a stationary overhead creel and negative feeding system.Analysis of machine features of different sewing machines
This document discusses different types of sewing machines and their key features. It describes the basic parts of a sewing machine and different stitch formation mechanisms. The types of sewing machines covered include chain stitch, lock stitch, multi-thread chain stitch, overlock, and flatlock machines. For each type, the document provides information on their stitch per minute rate, stitches per inch, and stitch length. It also discusses various feeding mechanisms like drop feed, needle feed, and differential bottom feed. Proper maintenance of sewing machines is emphasized.
Rib circular knitting mc
The document summarizes the features and working of a rib circular knitting machine. It describes how rib fabrics have alternating wales of face and back loops which makes the fabric thicker and less prone to curling. It then explains the working of a rib circular knitting machine, including the path of the yarn from creel to needles to fabric winding roller. The key parts of the machine like dial, cylinder, needles and their functions are outlined. Finally, the 8 step knitting action is illustrated with diagrams showing the movement of needles from tuck to cast on position to form loops and stitches.
Modern loom
A loom is a device used to produce weave fabrics . It's the central point of the whole process of fabric production. ... MODERN LOOM Modern loom means Shuttle less loom. Its development during the 20th century. Several types of modern loom have Come for industrial use.
(Sir Ashraful Alam) Full PDF Apparel Manufacturing I Sheet Part-2
(Ashraful Alam) Full PDF Apparel Manufacturing I Sheet Part-2 | Full PDF Apparel Manufacturing Sheet Part-2
Apparel i (term final)
This file contains Apparel Spreading & Cutting section as well as the use of computer in apparel manufacturing.
Similar to Working principle of rapier and essential parts (20)
Advancement-in-spinning-Techniques-seminar-report-1.ppt
Advancement-in-spinning-Techniques-seminar-report-1.ppt
A comprehensive study on interlock circular knitting machine.
A comprehensive study on interlock circular knitting machine.
Experiment Name: Study on Single Jursey Circular Knitting Machine
Experiment Name: Study on Single Jursey Circular Knitting Machine
Analysis of machine features of different sewing machines
Analysis of machine features of different sewing machines
(Sir Ashraful Alam) Full PDF Apparel Manufacturing I Sheet Part-2
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一比一原版(CalArts毕业证)加利福尼亚艺术学院毕业证如何办理
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Null Bangalore | Pentesters Approach to AWS IAM
#Abstract:
- Learn more about the real-world methods for auditing AWS IAM (Identity and Access Management) as a pentester. So let us proceed with a brief discussion of IAM as well as some typical misconfigurations and their potential exploits in order to reinforce the understanding of IAM security best practices.
- Gain actionable insights into AWS IAM policies and roles, using hands on approach.
#Prerequisites:
- Basic understanding of AWS services and architecture
- Familiarity with cloud security concepts
- Experience using the AWS Management Console or AWS CLI.
- For hands on lab create account on [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
# Scenario Covered:
- Basics of IAM in AWS
- Implementing IAM Policies with Least Privilege to Manage S3 Bucket
- Objective: Create an S3 bucket with least privilege IAM policy and validate access.
- Steps:
- Create S3 bucket.
- Attach least privilege policy to IAM user.
- Validate access.
- Exploiting IAM PassRole Misconfiguration
-Allows a user to pass a specific IAM role to an AWS service (ec2), typically used for service access delegation. Then exploit PassRole Misconfiguration granting unauthorized access to sensitive resources.
- Objective: Demonstrate how a PassRole misconfiguration can grant unauthorized access.
- Steps:
- Allow user to pass IAM role to EC2.
- Exploit misconfiguration for unauthorized access.
- Access sensitive resources.
- Exploiting IAM AssumeRole Misconfiguration with Overly Permissive Role
- An overly permissive IAM role configuration can lead to privilege escalation by creating a role with administrative privileges and allow a user to assume this role.
- Objective: Show how overly permissive IAM roles can lead to privilege escalation.
- Steps:
- Create role with administrative privileges.
- Allow user to assume the role.
- Perform administrative actions.
- Differentiation between PassRole vs AssumeRole
Try at [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
一比一原版(uofo毕业证书)美国俄勒冈大学毕业证如何办理
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校名:学校英文全称
授予学位：本部分将注明获得的具体学位名称。
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SCALING OF MOS CIRCUITS m .pptx
this ppt explains about scaling parameters of the mosfet it is basically vlsi subject
Software Engineering and Project Management - Software Testing + Agile Method...
Software Testing: A Strategic Approach to Software Testing, Strategic Issues, Test Strategies for Conventional Software, Test Strategies for Object -Oriented Software, Validation Testing, System Testing, The Art of Debugging.
Agile Methodology: Before Agile – Waterfall, Agile Development.
Blood finder application project report (1).pdf
Blood Finder is an emergency time app where a user can search for the blood banks as
well as the registered blood donors around Mumbai. This application also provide an
opportunity for the user of this application to become a registered donor for this user have
to enroll for the donor request from the application itself. If the admin wish to make user
a registered donor, with some of the formalities with the organization it can be done.
Specialization of this application is that the user will not have to register on sign-in for
searching the blood banks and blood donors it can be just done by installing the
application to the mobile.
The purpose of making this application is to save the user’s time for searching blood of
needed blood group during the time of the emergency.
This is an android application developed in Java and XML with the connectivity of
SQLite database. This application will provide most of basic functionality required for an
emergency time application. All the details of Blood banks and Blood donors are stored
in the database i.e. SQLite.
This application allowed the user to get all the information regarding blood banks and
blood donors such as Name, Number, Address, Blood Group, rather than searching it on
the different websites and wasting the precious time. This application is effective and
user friendly.
Accident detection system project report.pdf
The Rapid growth of technology and infrastructure has made our lives easier. The
advent of technology has also increased the traffic hazards and the road accidents take place
frequently which causes huge loss of life and property because of the poor emergency facilities.
Many lives could have been saved if emergency service could get accident information and
reach in time. Our project will provide an optimum solution to this draw back. A piezo electric
sensor can be used as a crash or rollover detector of the vehicle during and after a crash. With
signals from a piezo electric sensor, a severe accident can be recognized. According to this
project when a vehicle meets with an accident immediately piezo electric sensor will detect the
signal or if a car rolls over. Then with the help of GSM module and GPS module, the location
will be sent to the emergency contact. Then after conforming the location necessary action will
be taken. If the person meets with a small accident or if there is no serious threat to anyone’s
life, then the alert message can be terminated by the driver by a switch provided in order to
avoid wasting the valuable time of the medical rescue team.
Data Driven Maintenance | UReason Webinar
Discover the latest insights on Data Driven Maintenance with our comprehensive webinar presentation. Learn about traditional maintenance challenges, the right approach to utilizing data, and the benefits of adopting a Data Driven Maintenance strategy. Explore real-world examples, industry best practices, and innovative solutions like FMECA and the D3M model. This presentation, led by expert Jules Oudmans, is essential for asset owners looking to optimize their maintenance processes and leverage digital technologies for improved efficiency and performance. Download now to stay ahead in the evolving maintenance landscape.
Height and depth gauge linear metrology.pdf
Height gauges may also be used to measure the height of an object by using the underside of the scriber as the datum. The datum may be permanently fixed or the height gauge may have provision to adjust the scale, this is done by sliding the scale vertically along the body of the height gauge by turning a fine feed screw at the top of the gauge; then with the scriber set to the same level as the base, the scale can be matched to it. This adjustment allows different scribers or probes to be used, as well as adjusting for any errors in a damaged or resharpened probe.
Call For Paper -3rd International Conference on Artificial Intelligence Advan...
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Free – Extended Paper will be published as free of cost.
3rd International Conference on Artificial Intelligence Advances (AIAD 2024)
July 13 ~ 14, 2024, Virtual Conference
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Submission Deadline: June 22, 2024
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Working principle of rapier and essential parts
- 2. Working principle of Rapier & its essential parts Presenter: Mr. Ghulam Qadir (12TE59) Mehran university of engineering and technology (M.u.e.t) jaMshoro
- 3. Contents: •What is rapier weaving machine? •Types of weaving machine? •Working priciple of rapier weaving machine? •Essential parts of rapier?
- 4. A rapier loom is a shuttle less weaving loom in which the filling yarn is carried through the shed of warp yarns to the other side of the loom by finger-like carriers called rapiers. What is rapier weaving machine?
- 5. Types of rapier weaving machine 1-Single Rapier Machines: • A single, rigid rapier is used in these machines. The rigid rapier is a metal or composite bar usually with a circular cross section. • The rapier enters the shed from one side, picks up the filling yarn on the other side and passes it across the loom width wise. • The single rapier’s length is equal to the width of the loom.
- 6. 2- Double Rapier Machines • Two rapiers are used in these machines one rapier is called the giver, takes the filling yarn from the yarn accumulator on one side of the loom, brings it to the center of the machine and transfers it to the second rapier which is called the taker. • The taker retards and brings the filling yarn to the other side. • Similar to the single rapier machines, only half of the rapier movements are used for filling insertion.
- 7. Working principle of rapier machine? The rapier head picks up the filling yarn and carries it through the shed. After reaching the destination, the rapier head returns empty to pick up the next filling yarn. In some versions of the loom, two rapiers are used, each half the width of the fabric in size. One rapier carries the yarn to the centre of the shed, where the opposing rapier picks up the yarn and which carries the filling the rest of the way across the loom.
- 8. Essential parts of rapier? 1.Motor. 2.Crank shaft. 3.Bottom shaft. 4. Grippers tapes. 5. Rapier Loom Sensors. 6. Rapier Loom Cutters. 7. Rapier Loom Driving Wheel 8. Rapier Loom Tapes
Editor's Notes
- Why need of rapier