Sewing machine bag sewing process and design requirements:
The longitudinal seams of the bag must be firm, straight and not less than three, and the looped seams of the bags of the baghouse must be firm and not less than two. The looped seam of the dust removal bag must be strong and not Less than two. The looped seam of the bag of the dust bag is allowed to be a single thread, but it must be sewn more than two turns. The deviation of the length of the bag under the dust bag is ±10mm, and the stitches around the dust bag must be evenly stitched. Must not be less than 15 needles/10cm, transversal needle code is not less than 12 needles/10cm; sewing bags should not have loopholes, damage defects; the diameter of bags larger than 200mm, length greater than 5000mm should be done tensile test, the elongation should be Meet the requirements.
Other hard requirements:
a) Continuous jumpers are not allowed and jumpers within 1m of stitches do not exceed 1 stitch, 1 stitch, 1 stitch;
b) no float line;
c) It is not allowed to lose lanes continuously and there should be no more than 1 lane drop within 1m.