Q.281. Briefly explain the features of the circular knitting machine?
C.281. Circular knitting machines are knitting machines in which needles are arranged side by side and on a circular needle bed. In circular knitting machines, other knitting elements are placed in a circular position in accordance with the needles.
Thread is deposited on needles from stationary shuttles (thread guides). Again, the knitting process is performed by the rotating needles by the fixed locks (steel) moving the knitting needles up and down. Yarns are fed directly from bobbins to knitting needles. In circular knitting machines, knitted fabrics in the form of tubes (hose) are produced in various widths, depending on the diameter (pus) of the needle bed.
S.282. Briefly describe the features of the flat knitting machine?
C.282. They are knitting machines in which knitting needles are placed side by side and on linear (flat) beds (rails) in flat knitting machines. Tricot flat knitting machines have slides and thread guides that move on flat needle beds. The slide and thread guides move from one side of the machine to the other on the needle beds. The sled carries the lock (steel) mechanisms on it. Yarn guides (shuttles) allow the yarn to be laid on knitting needles. The yarns are fed directly from the bobbins to the knitting needles by negative yarn transmission.
S.283. Briefly explain the features of the warp knitting machine?
C.283. It is a knitting technique that is carried out by depositing yarns wound on beams in warp knitting machines, just like weaving warp, on needles that move collectively, as one yarn per needle. Warp knitting; It is the fastest fabric making technique in which especially nylon, polyester, acetate, viscose continuous filament yarns and to some extent cotton and wool yarns are used. Each thread forms a loop on a needle. The loops formed on the needles are connected with each other by lateral movements.
S.284. Classify knitting machines according to knitting techniques?
C.284.
Q.285. What is the name of the knitting machine below according to the knitting technique?
C.285.Flat knitting machine
S.286. What is the name of the knitting machine below according to the knitting technique?
C.286.Circular knitting machine
P.287. What is the name of the knitting machine below according to the knitting technique?
C.287. Warp knitting machine
P.288. What is the name of the knitting machine below according to the knitting technique?
C.288. Sock knitting machine
Q.289. What is the machine fineness in knitting machines, how is it found, please explain?
C.289. Machine Fineness In knitting machines, machine fineness is expressed as machine number in some parts of the market. In general, the expression is used incorrectly. Since machine number means machine fineness, knitting machines vary according to machine fineness. The thickness of the machine is equal to the number of needles in 1" (1 inch). 1 inch is 2,54 cm (25,4 mm). 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 machines, fein is indicated with the letter "E" and on flat knitting machines, gauge is indicated with 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 it decreases, the number of needles in 2,54 cm decreases.
Q.290. How is the right loop, please explain?
C.290. If the body of the loop is visible above the head it is called right loop or straight loop. The right loop is also expressed with the initial letter (R) of the English word right, which means right.
P.291. How about the left loop, explain?
C.291. If the head of the loop is visible above the body it is called left loop or reverse loop. In fact, the left loop is the image of the right loop on the reverse side of the fabric. Left loop is also expressed with the initial letter (L) of the word Left, which means left in English. The surface image of the left loop is wave-shaped
Q.292. The following image is the surface image of which loop?
C.292. It is the surface view of the right loop.
P.293. The following image is the surface image of which loop?
C.293. It is the surface view of the right loop.
Q.294. How are the loop structures in warp knitting compared to the loop structures in weft knitting, in which direction they connect and how many are divided, what are their names?
C.294. Loop Structures in Warp Knitting Loop structures in warp knitting are tighter and different than those in weft knitting. The loop appearances in warp knitting are expressed as open loops and closed loops in the direction of loop travel at loop connection points. In warp knitting, the loops connect in the longitudinal direction.
Q.295. How is the open loop in warp knitting, please explain?
C.295. Open loop In warp knitting, if the loops move in the same direction as the loop movement direction and form the next loop, this loop image is called open loop.
p.296. Explain how closed loop is in warp knitting?
C.296. If the loops move in the opposite direction of the loop movement and form the next loop in warp knitting, this loop image is called closed loop.
P.297. What is the hanger, which is the knitting element used in the weft knitting system machines, please explain?
C.297. It is a knitting element used in hanger weft knitting system machines. It is the knitting element formed by the yarn hanging on the needle hook with the half movement of the needle. The basic knitting element is used together with the loop. It provides the formation of different knitted surface images by using it with loops and skipping at different rates. It is a knit element that reduces fabric flexibility in both the transverse and longitudinal directions.
Q.298. What is the name of the surface views seen below?
C.298.A: R loop surface view, B: L loop surface view, C: Suspended knit surface view, D: Skipped knit surface view
Q.299. What is the following weave structure?
C.299. It is a single jersey (Jerse) Knit Structure.
p.300. What is the knitting structure below?
C.300. It is Rib Knitting Structure.
Q.301.Write the names of the needles seen below?
C.301. (a) Flexible point needle (b) Hook (tongue) needle (c) Slide needle
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