Stitching: Different thicknesses, different tensions in the stitching part of the thread, and uneven amounts of thread being drawn out may also lead to stitching
2021-11
1. The straight needle is too low making the straight needle loops too large and making the loops intertwine, reposition them according to the straight needle height positioning criteria.
2. The tongue of the needle plate is too narrow, making it easy to splice the straight needle loops. Replace the needle plate with a new one.
3. The lower part of the curved needle is too narrow and too round, which also makes it easy to detach the straight needle loops on the curved needle from each other, making the loops intertwine and creating a flowery needle. Replace the bent needle with a new one.
4. Straight and curved needles do not work well together. Adjust the fit position of the straight and curved needles according to the standard.
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