The structure of a warp knit loop is very different from that of a weft knit loop. … This part of the structure is called an overlap. The second part is the length of yarn connecting each formed loop with the next succeeding loop, which is called an underlap, shown in green.
What is overlap and Underlap in knitting?
Underlap is the line segment connecting two loops knitted by the same warp yarn. Overlap is a semicircle and is formed when yarns lap before the needle. … When forming a new loop, the warp yarn goes through the former loop from the technical back and then overlaps to form the loop arc on the technical face.
What is swinging and Shogging?
The swinging and shogging motion act at right angle to each other in order to form overlap and underlap . 4 . The swinging motion of guides takes place either from front of the needles to back or back of the needles to front . it is in arc and it occur between adjacent needles .
The pins pass through all the tracks and chains, and the ends fit into grooves in the serrated flanges of the pattern drum so that as the drum turns, the chain links are advanced in unison in correct timing relationship.
What is open lap and closed lap?
CLOSED LAP An overlap followed by an underlap in opposite direction. OPEN LAPS AN OVERLAP FOLLOWED BY AN UNDERLAP IN THE SAME DIRECTION ONLY OVERLAP NO UNDERLAPS. LAYING-IN Only underlaps no overlaps.
How warp knitting is done?
Warp knitting is a family of knitting methods in which the yarn zigzags along the length of the fabric; i.e., following adjacent columns, or wales, of knitting, rather than a single row, or course. For comparison, knitting across the width of the fabric is called weft knitting.
What is weft and warp knitting?
Weft and warp knitting are two different knitting techniques that result in various types of fabrics. The main way to distinguish the two types is that weft knitting has the yarn run back and forth while warp runs the yarn up. and down. This difference can create two entirely different end products.
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What is weft knitting used for?
It is used to produce most garments, such as T-shirts, tights and jumpers. Warp knit – Produced using an industrial machine, each loop is created from a separate yarn and the loops created interlock in a vertical direction. It is firmer, lies flatter, doesn’t fray when cut and keeps its shape well.
What is the difference between warp knitting and weft knitting?
Warp knitting differs from weft knitting, basically in that each needle loops has its own thread. … In warp knitting the needles produce parallel rows of loops simultaneously that are interlocked in a zigzag pattern, while in weft knitting the needles produces loops in the widthwise direction of the fabric.
Which needle used in warp knitting?
The two types of warp knitting are raschel, made with latch needles, and tricot, using bearded needles.
What are knitting elements?
There are three basic elements of knitting,such as 1. Needle 2. Cam 3. Sinker The Needles: The needles are most important stitch forming elements.
What is the characteristic of warp knit?
In comparison with weft-knit structures, warp knits are typically run-resistant and are closer, flatter and less elastic. The two common warp-knit fabrics are tricot and raschel (Fig.
What are the main differences between tricot and raschel knitted fabrics?
Raschel machines knit up to 1 500 denier yarn, whereas Tricot machines knit up to 240 denier hard yarn (for spandex 1 000 versus 140 denier respectively). In Raschel machines, the links move half a course, whereas in Tricot machines the links move one course.