How to cut corduroy? Principle of corduroy cutting
How to cut corduroy? The principle of corduroy cut pile. Corduroy fabric is a kind of cut pile fabric. The weft floating line is cut by a blade, and then it is opened, dyed, shaped, and carded. After that, the piles stand up on the longitudinal surface of the fabric to form a strip-shaped pile covering. .
Notes on cutting corduroy fabrics:
1. Polyester and nylon corduroy are mostly woven on water-jet looms. After unloading the machine, the gray fabric is wet. The ones containing water must be dried before cutting!
2. The thicker the corduroy, such as 2.5 strips of corduroy and 4.5 strips of straight corduroy, the gaps between the corduroy are wider and easier to cut. The thinner the strips, such as cut velvet with more than 21 strips, especially with spandex stretch corduroy. The requirements for blades and guide pins are relatively high, and they usually need to be replaced with new ones or imported. There will be many problems with velvet cutting, such as cutting velvet strips, cutting the base fabric, not cutting it, etc.
Commonly used terms for corduroy fabric cutting: full opening, partial knife
1. Full opening: refers to the cutting position of the blade in the middle of the weft floating line, and the thickness of each corduroy strip is the same, that is, Talk about straight corduroy!
2. Offset knife: The offset knife is relative to the full opening. The offset knife is the difference in the cutting position of the blade. The width of the floating length of the weft yarn is cut according to a certain proportion. Common ones are: 37 openings, 28 openings, and 46 openings. Open
The finished product is thick and thin strips of corduroy, also called double-length corduroy strips, and large and small strips of corduroy!
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