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Knitting machines are devices used by pros to make knitted fabrics. We can distinguish them according to the diameter of the needle cylinder in circular knitting machines.

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Different diameter of knitting machines - FYI Tester

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Knitting machines are devices used by pros to make knitted fabrics. We can distinguish them according to the diameter.

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Double and single jersey knitting machine

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Double and single jersey knitting machine

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Single and double knitted fabrics are made by different types of knitting machines. This article introduces the differences between the two machines.

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We can divide the knitting machine into two types by the side of the products. One is single jersey knitting machine, the other is double jersey knitting machine.

What is single jersey knitting machine

There is a single 'cylinder' of needles in single jersey machines .They can produce plain fabrics.

Plain is the simplest type of structure practiced since the inception of knitting technology. It can be done in hand knitting as well as machine knitting (flat and circular). We can use plain in a variety of different garments that require stretch, such as blouses, t-shirts, tops and casual dresses.

Plain fabrics in single jersey knitting machine

What is double jersey knitting machine

Two sets of needles are there in the double jersey machine. This extra set of needles allows the production of fabrics that are twice as thick as single jersey fabrics. Rib, interlock are the two fabrics that knitted by double jersey knitting machine.

Rib double jersey machine

In this machine the two sets of needles one on cylinder and one on dial are placed at right angles with each other. The cylinder being in vertical position and the dial in horizontal position. Allow the two set of needles to be at right angles, which in turn results in vertical movement of needles on cylinder and horizontal movement of needle on dial. These two different movements makes the rib pattern which can be recognized by checking the face and back loops as they run along to the coarse successively . But all the loops of a wale is same.

Rib knit fabrics are reversible with distinct vertical ribs on both sides, produced by alternating knit and purl stitches. We are often use them for cuffs, neckbands and waistbands, more generally, any edge that should be form-fitting. The raw materials of Rib Knit Fabrics are Cotton, cotton blends, wool or Acrylic.

rib fabrics

Interlock double jersey machine

This type of double jersey machines, the needles on the cylinder and the dial are placed opposite and alternatively. Interlock machine uses two types of latch needles instead only one type .

Interlock fabric belongs to rib knit construction. Similar to a jersey knit except both front and back of the fabric look identical. Double knit construction makes this a thicker knit fabric.Usually, we use Interlock Knit Fabrics for the production of t-shirts, polos and dresses.

interlock fabrics

The difference between the two machines

The arrangement of the needle rules

Single jersey circular knitting machines only have vertical needles. But double jersey circular knitting machines have horizontal and vertical needles.

The method of knitting

The two machines also knit differently. Single jersey knitting machine has only one direction in knitting, double jersey knitting machine has two directions in knitting. Moreover, the two directions are perpendicular.

Whether a sinker is required

The single jersey knitting machine needs sinkers to produce fabric. Sinker is an important element in loop formation in single jersey knitting. But the sinkers are irrelevant for double jersey knitting.

The fabric knitted by single jersey circular knitting machine is thinner than the double-side machine.

Production

The fabric production of single jersey knitting machine is higher than the other one.

DW0910 and DW0910S series knitting machine belong to single jersey knitting machine.For more information about the machines ,please send email to [email protected]

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Difference between double and single jersey knitting machine - FYI Tester

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We can divide the knitting machine into two types by the side of the products. One is single jersey knitting machine, the other is double jersey knitting machine. There is a single 'cylinder' of needles in single jersey machines .They can produce plain fabrics.

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Wrap and weft knitting fabric are produced by different knitting machines. To know more information about the knitting machines, you can click following link.

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We can usually distinguish warp knitting machines from weft knitting machines by the type of fabric that the machine produced. The wrap knitting machine produces wrap fabrics, and the other produces weft fabrics.

What is wrap knitting machine

The warp knitting machine includes following mechanism: braiding structure, comb bar traverse mechanism, let-off mechanism, pulling and coiling mechanism and driving mechanism.

The main loop forming parts of warp knitting machine are knitting needles, yarn guide needles, sinkers and pressure plate (used for crochet machine). The knitting needles are arranged in a row on a needle bed and move with it. Guide needles are mounted on strips. Stripping comb consists of a guide needle mounted on a strip. The warp yarn passes through the hole of the guide needle, moves with the stripping comb and pads on the needle. Through the mutual movement of the knitting needle, the sinkers and other circular machine parts. Then the wrap yarn can be knitted into the fabric.

Wrap knitting machine

We often use warp knitting machine to knit curtain, tablecloth, bedspread, blanket, lace, women's inner coat, fishing net, packaging bags and other complex warp knitting fabrics.

What is weft knitting machine

General structure of weft knitting machine:

1. Yarn feeding mechanism: The yarn feeding mechanism has another name, feeding mechanism. It include yarn frame, yarn storage device (weft storage), feeding mouth, feeding plate, yarn ring bracket and other components.

2. Knitting mechanism: We can also call the loop forming mechanism the knitting mechanism, and its main parts are syringes, knitting needles, sinkers, triangular device and yarn guide device, etc. These parts cooperate with each other to form the loop movement.

3. Pulling and coiling structure: The function of the pulling and coiling structure is to pull the machine knitted fabric out of the knitting area and wind (or fold) it into a certain coil form.

4. The driving mechanism: The driving mechanism is the mechanism that makes all parts of the machine move.

5. Auxiliary mechanism: The auxiliary device helps us to ensure the normal operation of knitting. Auxiliary devices of weft knitting machine usually include not only fault stop device, brake device, automatic refueling device. But also cleaning and dust removal device, cloth expander, switch device and so on.

Weft knitting machine

Weft knitted fabric not only has soft texture, good crease resistance and air permeability. But also has greater extensibility and elasticity, suitable for underwear, tights and sportswear.

Difference between wrap and weft knitting machine

The elongation of the fabric

Warp knitting has limited elongation, usually a little in the transverse direction and almost no in the longitudinal direction. Weft knitting has good elongation in both the longitudinal and transverse directions.

Fabric disassembly

Warp knitting fabric doesn't come apart easily. On the contrary, weft knitting fabric comes apart easily.

The efficiency of production

Warp knitting machine can only knit flat fabrics and semi-finished products. Weft knitting machine can produce flat and cylindrical fabric rolls, where we can use it for garments, garment pieces and formed fabrics.

Production

Warp knitting machine can only be produced in batches. However, for the other machine, we only use it in small batches.

Intuitive difference

Front and back lines are the same is weft knitting fabric, vertical is warp knitting fabric.

Our company produces two kinds of knitting machine: DW0910 and DW0910S. Both of them are belong to weft knitting machine. For more information about these, please send email to [email protected] .

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Warp knitting machine and weft knitting machine - FYI Tester

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We can usually distinguish warp knitting machines from weft knitting machines by the type of fabric that the machine produced. The wrap knitting machine produces wrap fabrics, and the other produces weft fabrics. The warp knitting machine includes following mechanism: braiding structure, comb bar traverse mechanism, let-off mechanism, pulling and coiling mechanism and driving mechanism.

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Do you know how to judge a knitting machie is circular or flat?And what are differences between them?The following article will tell you.

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Flat knitting machine and circular knitting machine - FYI Tester

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Both flat and circular knitting machine are weft knitting machines. The biggest difference between them is the position of the knit

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Small knitting machine is also known as dyeing test knitting machine. Here is  the knitting principle of small knitting machine.

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The knitting principle of small knitting machine

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Small knitting machine is also known as dyeing test knitting machine. The previous article introduced the definition of the dyeing test knitting machine . And here I will tell you the knitting principle of small knitting machine. The top hook and the latch needle form the knitting needles.