There are many reasons for the fabric rungs. Raw material selection, spinning, weaving, dyeing and finishing processes may cause fabric rungs. For example, in the selection of raw materials, when yarns produced using raw materials with different indicators such as color, maturity, fineness, whiteness, and residual sulfur content are mixed and woven into the same fabric, there may be a cloth crossbar. ; In the process of weaving, if there is inconsistent yarn tension, wrong yarn arrangement sequence, wrong yarn count, mixed weaving of yarns from different manufacturers, the same manufacturer has many reasons for the cloth crosspiece, raw material selection, spinning , Weaving, dyeing and finishing processes may cause the fabric rung. For example, in terms of raw material selection, when yarns produced using raw materials with different indicators such as color, maturity, fineness, whiteness, and residual sulfur content are mixed and woven onto the same fabric, there may be a horizontal plane. In the process of weaving, if there is inconsistent yarn tension, wrong yarn arrangement sequence, mixed yarn of different manufacturers with the wrong yarn count, mixed yarn of different batches of the same manufacturer, stitch wear, needle triangle wear, Problems such as sinker wear, sinker triangle wear, irregular fabric pulling force, and needle cylinders not concentric with the dial can also cause fabric rails; during the dyeing and finishing process, if the dye is not compatible properly, the dyeing technique is not good. Reasonable, inconsistent squeezing pressure, temperature difference in different positions in the oven, unstable running speed of dyeing machine, wrinkles in the fabric during dyeing, improper dye selection, uneven moisture regain on the fabric before dyeing, etc. The uneven surface of the dyeing will cause the cloth surface to produce rungs. Therefore, when a spinning enterprise obtains a fabric sample of a customer & #39;s complaint, first of all, it is necessary to preliminarily judge the possibility that the cause of the fabric surface is related to the yarn of the company. If it is confirmed that the reason for the cloth surface is not related to the company & #39;s yarn, it is necessary to take out accurate evidence and explain it clearly to the customer to avoid & quot;injustice & quot; and unnecessary economic losses; if the cloth is analyzed and verified The noodle rails are indeed caused by our company & #39;s yarns, so we must take corresponding measures according to the problems on the yarns to avoid the problems from happening again.
1 Preliminary judgment of the possibility that the cloth rail is related to the company & #39;s yarn
Standardni izvor svjetla možete koristiti za usporedbu metode svjetlosti u boji ili metodu otkrivanja razlike u boji da biste na početku utvrdili je li uzrok platnene pregrade povezan s pređom koju proizvodi naša tvrtka.
(1) Ako su platnene šine redovite, možete ukloniti petlju pređe koja je očiglednija na platnenim šinama; ako platnene šine nisu pravilne, odaberite na površini platna - horizontalno Tamo gdje je zupčanica očiglednija, uklonite grupu susednih pređa (obično ne manje od 30) na uobičajenom i poprečnom mjestu.
(2) Unscrew the yarn produced by our company (if it is interwoven with yarns or filaments of other companies or other varieties, you only need to process the yarn produced by our company). On a piece of cardboard, the yarn on the cardboard is required to be tightly wound, uniform in thickness and smooth in surface.
(3) Put the wrapped cardboard into the standard light source color matching light box, and compare under the color matching light. If the yarns on these cardboards have no obvious color difference between each other, it is definitely not caused by the yarn. Cross rails; if the yarns on these cardboards have color differences, the cloth cross rails may be related to the yarn, indicating that the yarn is dyed unevenly or the color is inconsistent, then the cloth cross rails and the company & #39;s yarns need to be Confirm the relevance.
(4) Ako postoji mjerač razlike u boji, možete upotrijebiti i mjerač razlike u boji da biste otkrili razliku u boji (- E vrijednost) između prediva na svakom kartonu kako biste utvrdili postoji li očita razlika u boji u predivi prema veličini vrijednosti 4E.
2 Confirmation of the correlation between the fabric rail and the company & #39;s yarn
Ako pređa na kartonu vidi razliku ispod odgovarajuće žarulje u boji - ili postoji razlika u boji otkrivena pomoću mjerača razlike u boji, ne može se utvrditi da je platnena šina uzrokovana pređom, jer iako težina same pređe: količina je neujednačena. Razlika u omjeru, omjeru miješanja, jednolikosti miješanja vlakana, uvijanje, pletenicu i drugo perje utjecati će na efekt bojenja pređe, što će rezultirati krpama u križanju. To će uzrokovati razliku u boji pređe, pa je potrebno dodatno potvrditi relevantne faktore koji proizvode krzne prečke, kako bi se konačno utvrdilo je li odgovornost za razliku u boji pređe kompanija za proizvodnju vlakana, tisak i preduzeće za bojenje ili preduzeće za proizvodnju pređe.
Postoje dva načina da se potvrdi uzrok krvarenja na površini tkanine: - počevši od najsumnjivijih faktora i drugo, počevši od faktora koje je najlakše provjeriti i isključiti.
Prednosti počevši od najvećih sumnjivih faktora su ciljanost, snažna pertencija, kratko vrijeme i visoka efikasnost. Nedostatak je taj što zahtijeva da inspektor ima bogato praktično iskustvo, može brzo eliminirati različite faktore interferencije i odrediti maksimalnu mogućnost stvaranja letvica. razlog.
Prednost započinjanja s najlakšim za provjeru i uklanjanje faktora je ta što je prvo prvo ukloniti, a zatim isključiti jedan po jedan. Pogodan je za rad inspektora koji imaju malo iskustva u analiziranju šina. Nedostaci su slaba fleksibilnost, dugotrajna potrošnja i niska efikasnost.
