Problems in elastic belt production (2)

　　I. color of Yin and Yang -- causes: color difference of raw materials; Uneven head; The steel buckle is unevenly threaded

　　Preventive measures: to replace the fluff or change the pan head is not used; Press down the head of the pan; Position the weft needle in the middle of the opening.

　　Second, jump needle -- cause: the pin bar is not blocked; The weft needle is out of position with the knitting needle

　　Preventive measures: the shift needle rod position by the moving needle; Place the weft needle and weave in place so that all the weft can be finished

　　Three, easy to dirty belt processing -- cause: brown silk piece is too dirty; All tape axes are too dirty; All areas with yarn are not clean enough

　　Preventive measures: accessories room collar facial tissue and powder pen, the palm silk piece to wipe clean; Scrubbing all overpasses clean; Scrub all areas where the yarn passes and touches

　　4. Waviness on both sides -- causes: uneven wearing of steel buckle, small yarn on both sides and much yarn in the middle; The steel buckle is too small

　　Preventive measures: select the appropriate steel buckle, according to the normal wear law; Wear a little steel buckle, not too big or too little

　　Five, line -- formation reason: the bottom yarn thick veil; The steel thread is not right, the bottom yarn is not covered; Steel buckle selection is too thin, each empty thread too much.

　　Preventive measures: the thicker bottom yarn to the edge, or do not change, add another; Select the appropriate steel buckle, 1 or 2 groups of piercing method; In general, try to choose 1 group or 2 groups of puncture method, do not choose 3 groups or more of the puncture method.