Aurora (calendered, striped)
⑴Form: The cloth surface shows regular or irregular dots, strips or blocks of light.
⑵Cause:
① The pressing roller cloth is not wrapped flatly, the pressing roller cloth is damaged, and the blanket is wrinkled, causing regular aurora.
② Yarn or other debris is wrapped in the pressure roller cloth, and the friction with the cloth surface produces aurora.
③ During shaping and finishing, the width of the air outlet is close to the median width, resulting in aurora prints on the edge of the fabric.
④ During drying and finishing, the pressing cloth is too heavy, and the friction with the fabric produces irregular warp aurora.
⑶ Prevention method:
① When finishing the carpet, you must wait until the carpet runs smoothly before driving.
② When drying and finishing, press the fabric straight as the standard.
③When setting and finishing, the door width at the exit should be 1~1.5cm larger than the median door width, which is more necessary for the shaping of filament fabrics.
④ Check whether the pressure roller cloth is flat before driving. The damaged pressure roller cloth should be replaced in time.
⑤ Check whether there are small hardened impurities in the pressure roller cloth before driving. If there are any, they should be removed in time.
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