Classification of warp knitting machines

Classification of warp knitting machines
There are many kinds of warp knitting machines, which are generally classified according to their structural features, uses and additional devices. They can be mainly divided into Trikot warp knitting machines, raschel warp knitting machines and special type warp knitting machines (crochet machines, Sewing machine, pipe knitting machine, etc.) three categories. The first two categories are widely used. At present, the needle type (composite needle) has become the mainstream, and most of the modern warp knitting machines are equipped with groove needles; the needles still have certain applications, which are more common in double needle bed warp knitting machines; It has not been used on modern warp knitting machines and has been replaced by groove needles. Although it is possible to manufacture a warp knitting machine for a circular needle bed, the actual production is basically a flat needle bed warp knitting machine.

Tricho
The characteristics of the Tricot warp knitting machine are as shown on the right, and the angle β between the fabric pulling direction 1 and the needle plane 2 is in the range of 90°-115°. Generally speaking, the number of combs of the Tricho warp knitting machine is small, most of them use compound needles, the machine number is higher (common E24-E32, up to E44), and the machine speed is also high (up to 4000r) /min), the width of the needle bed is usually between 3300~6600mm (130~260 inches).
Although the Trikot warp knitting machine has two types of single needle bed and double needle bed, the vast majority are the former. Single-needle bed Trico-type warp knitting machines are available in common type (2-4 bar), multi-comb (generally 9 bar), elastic fabric type, terry type, full-width weft type.

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