Q.202. What does weft knitting mean, please explain?
C.202.It is knitting based on the technique of creating a surface by connecting the loops by moving in the transverse direction according to the single yarn feeding system.
The most important feature of the circular knitting system in weft knitting is that the yarn is fixed, the needles are mobile and it allows the production of fabrics with high flexibility. In weft knitting, needles are fixed, yarn and systems are movable in flat knitting production.
Some of the products obtained by the weft knitting method; outerwear such as sweaters, vests, jackets, skirts, dresses, undershirts, underwear such as panties, combed products such as t-shirts, tracksuits, sweatshirts, socks, some medical and technical fabrics.
Q.203. What does warp knitting mean?
C.203. It is knitting based on the technique of forming a surface by connecting the loops by moving in the longitudinal direction according to the multi-yarn feeding system. The most important feature of the warp knitting system is that the thread moving needles are fixed. In warp knitting; Fabric structures that are as stable as woven fabrics and as flexible as weft knit fabrics can be obtained.
Some of the products obtained by the warp knitting method; tulle, curtains, lace, swimwear and upholstery fabrics, towels and carpets, medical materials such as bandages and artificial veins, technical fabrics such as shoe uppers, filters, sacks, greenhouse covers.
Q.204. What kind of knitting does the knitting machine in the photo below and what is its name?
C.204.It produces weft knitted fabric and its name is flat knitting machine.
P.205. What kind of knitting does the knitting machine in the photo below and what is its name?
C.205. It produces warp knitted fabric and its name is Warp knitting machine.
Q.206.What are the knitting machine elements in Weft Knitting?
C.206. The elements that enable the yarn to form loops in the weft knitting system are called knitting machine elements.
These Ones; needles, sinkers, locking systems (steels), thread guides (shuttles) and roller. These elements are the elements that have a direct effect on the knitting process.
Q.207. What are the knitting machine elements in Warp Knitting?
C.207. Knitting machine elements that enable the threads to form loops in the warp knitting system; eyelet needles, latch needles, needle rails, printing sinkers and tissue pulling wrapsı is expressed as. These elements are the elements that have a direct effect on the knitting process.
Q.208. What are the basic knitting elements, write?
C.208. Basic yarn movements forming the knitting surface;loop, hanger and jump knitting elementis named. By using the basic knitting elements together, different looking knitting surfaces are created.
Q.209. How many shapes are the loop appearances in Weft Knitting, what are they, write?
C.209. In weft knitting, the loop views are in two forms, with the loop body at the top, the loop head at the bottom, or the loop body at the bottom and the loop head at the top. Loops according to these appearances right loop (straight loop) or left loop (reverse loop) is expressed as. In weft knitting, the part where straight loops are seen is perceived as the front of the fabric, and the part where reverse loops are seen is perceived as the back side of the fabric. In weft knitting, the loops connect in the transverse direction.
P.210. In Warp Knitting, how many shapes are the loop appearances, what are they, write?
C.210. The loop structures in warp knitting are tighter and different than those in weft knitting. The loop views in warp knitting are in the direction of the loop going direction at the loop connection points. open loop and closedloop is expressed as. In warp knitting, the loops connect in the longitudinal direction.
Q.211. What is the role of knitting machine elements in Weft Knitting?
C.211. In the weft knitting system, they enable the yarn to form loops.
P.212. What is the role of knitting machine elements in Warp Knitting?
C.212. In the warp knitting system, they enable the thread to form loops.
Q.213. Explain the formation of the loop?
C.213. There are three shapes that can be given to the yarn according to the movement of the needle with the help of the needle in order to form a knitting surface (texture).
These; loop, hanger and skipping.
The most important ones and the one that provides the main knitting connection is the noose. It is not possible to create a knitted texture without loops. Other hanger and skipping yarn movements, on the other hand, do not create a texture on their own, but when they are made together with the loop, they affect the structure and surface of the knitting, changes in appearance, shape, stability and attitude.
P.214. The loop shape is shown below. Write where the Head, Body and Foot parts of this loop are?
C.214.
S.215. How many connection points are there in the connection of the loop with the other lower and upper loops and do this on the figure?
C.215. In the connection of the loop with the other lower and upper loops, there are eight connection places, the foot and the head part in four places.
Q.216. How many basic knitting surfaces are there, just write their names?
C.216.Basic knitted surfaces are expressed as ( RL ), ( RR ) and ( LL ) surfaces according to the loop image of the knitted fabric face and reverse.
S.217. ( RL ) Describe Knitted Surfaces?
C.217. ( RL ) Knitted Surfaces: If the knitted fabric face looks like right loop (R) and reverse left loop (L), these surfaces are called (RL) surfaces. It is the surface view of knitted fabric produced in a single plate, known as single-layer knitted fabrics. These surfaces refer to the fabric types produced in single plate knitting machines in flat knitting machines and single plate jersey machines in circular knitting machines.
S.218. ( RR ) Describe Knitted Surfaces?
C.218. ( RR ) Knitted Surfaces: If the knitted fabric face looks like right loop (R) and reverse right loop (R), these surfaces (RR) are called knitted surfaces. Both sides of the fabric look the same. It is the surface image of knitted fabric produced in double plate, known as double-layered knitted fabrics. R/R surfaces longitudinal row of loops consists of one row of R loops and one row of L loops. Rows of L loops are not visible on the surface when the rows of R loops are compressed, but are visible when stretched out. These surfaces refer to the fabric surface types produced in double plate rib in flat knitting machines, double plate rib in circular knitting machines and interlock machines.
S.219. ( LL ) Describe Knitted Surfaces?
C.219. ( LL ) Knitted Surfaces: If the face of the knitted fabric is left loop (L) and reverse left loop (L), these surfaces are called (LL) surfaces. Both sides of the fabric look the same. It is the surface view of the knitted fabric, which is known as double-layer knitted fabrics, usually produced in double plate with hooks on both ends. LL surfaces are formed as a row of transverse loops, one row of L loops and one row of R loops. The rows of R loops are not visible on the surface when the rows of L loops are compressed, but are visible when stretched out. These surfaces refer to the fabric types produced with latch needles with hooks on both ends in flat and round double plate knitting machines.
Q.220. What does machine thinness mean, explain and compare by giving an example?
C.220.Machine fineness in knitting machines, machine number in a part of the marketis expressed as. In general, the expression is used incorrectly. machine numbermeaningKnitting machines vary according to machine fineness.Machine gauge is equal to the number of needles in 1" (1 inch).The thickness of the machine is determined by counting the needles at a distance of 1 inch on the plate. Detected machine finenesses are called fein (fayn) or gauge (gauge).In circular knitting machinesfein with the letter "E"in flat knitting machinesgauge is indicated by the letter “G”. For example; 22fein = 22E, 28fein = 28E, 12gauge = 12G etc. is shown as. Indicates that there are 20 needles at 1E 2,54" (20cm) or 10 at 1G 10". As the number expressing the fineness of the machine increases, the number of needles in 2,54 cm increases, as the number decreases, the number of needles in 2,54 cmdecreases.
S.221. Delicacies garments used in flat knitting machines (for very thick clothes - For thick clothes - For thin clothes - For very thin clothes ) write according to the property?
C.221.For very thick garments with a hand-knit look: E 2-5For thick clothes: E 5-7For thin garments: E 7-10For very thin garments: E is 10-12
S.222. Write down the details used in single bed circular knitting machines?
C.223.For outerwear: E 7-34 -For underwear: E 18-32 - For jacquard structures: E 5-32 - For 3-thread futter: E 12-28 - For towel structures: E 7-28 -For long pile structures: E 5-22 -For men-women-children socks: E 13-24 - For thin women's socks: E 26-36
S.224. Write down the details used in double bed circular knitting machines?
C.224.For outer garments: E 7-42 - For inner garments: E 10-22 - For jacquard structures: E 5-30 - For transfer pattern structures: E 12-16 - For men-women-kids socks: E 6-21
Q.225. What does the scale mean on the knitting machine?
C.225.It is the expression in millimeters of the distance required for a needle to work. It can also be defined as the distance between the centers of two needles standing side by side on a needle bed.
Q.226.What is the effect of yarn number on knitting, write?
C.226.The number of yarn to be used in production, the working speed of the machine, the type of knitting directly affect the width and shrinkage of the tissue to be obtained. Thinner, smoother and stable structures are obtained in machines with high thinness.
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