How is the SEAMLESS CIRCULAR MACHINE made and how does it work?

Seamless machines are born in Italy from a technological evolution of circular hosiery machines.

The process obtained by these machines is in fact a knitted fabric in tubular form. This can be used in the package as it is, to obtain garments without seams on the sides, or cut flat.


Top of the SEAMLESS machine

Unlike the classic fabric, made up of two elements (weft and warp) that intertwine with each other, in the knitted fabric there is only one element that works on itself, that is, imagining each rank with the previous and the following.

Large diameter circular machines characterized by high production are also used.

The basic processing can undergo numerous modifications, in order to obtain weaves, effects and designs, depending on the different setting of the process parameters (modification of the selection of the needles, of the stitching cycle).

In circular knitting machines in the weft, the needles, arranged on a circumference, move individually and are able to automatically take the thread (knitted stitching).

The threads transversely flow into the needles like the weft in traditional weaving.

electronic elements for active control of the yarn tension

The circular knitting machine consists of the following parts:

• The Basement; it constitutes the supporting structure of the entire machine.

• Fronture; the machines can be single-sided or double-sided. Double-sided machines are disk-shaped, meanwhile, single-side machines are cylinder-shaped.

• Mesh system; it is a mobile part equipped with cams to determine the up and down movements of the needles. The circular shape of the needle beds allows to place many meshing systems on the same machine.

• Wire feeding system; the feeding bobbins are placed on the upper frame of the machine or on a lateral creel; before reaching the needles, the thread follows a rather long path through tension regulators and stopping devices in case of thread breakage.

• Fabric pulling system; the draft is given by a pair or a set of rollers, after which the fabric is rolled up on a special disk.

textile development of the tube in the cylinder

Main advantages of SEAMLESS technology:

– Less seams and less punctures of the fabrics that constitute breaking points

– Lower energy costs

– Personalized production and indelible jacquard design

– Easier sampling and adjustment of the garments

– Ability to switch from one thread to another without stitching

– Extreme elasticity

– Improved breathability due to the intimate coupling of two or more technical yarns

– Possibility to make warp-proof holes

– Evolution of infinite application.

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