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Reasons and treatment methods of common faults of intelligent sewing machine
Needle stitch appears on the sewing machine:
1. If the straight needle is too low, the stitches of the straight needle are too large, so that the stitches are intertwined with each other, and repositioned according to the standard for the height of the straight needle;
2. The tongue of the needle plate is too narrow. The intelligent sewing machine makes the straight needle coil easy to be closed, and replace the new needle plate;
3. The bottom of the looper is too narrow and round, and it is also easy to make the straight needle coils on the looper not separate, so that the loops are interwoven with each other to produce a flower needle, replace the new looper;
4. The coordination between the straight needle and the curved needle is poor. Adjust the position of the needle and the curved needle according to the standard.

Broken needle appears on the intelligent sewing machine:
1. The pressure of the presser foot is too low, and the needle is broken due to poor feeding. Increase the pressure of the presser foot appropriately. The sewing machine accessories make the feeding normal;
2. When the curved needle and the straight needle touch, adjust the matching position of the curved needle and the straight needle according to the standard;
3. When the stretch needle and the straight needle touch, adjust the matching position of the stretch needle and the straight needle according to the standard;
4. Improper coordination between the straight needle and the needle guard bar For the sewing machine, adjust the coordination between the needle and the needle guard bar according to the standard;
5. The tip of the looper is round and bald, replace with a new looper;
6. The needle bar and the needle bar sleeve are too worn, so that the needle bar and the needle bar sleeve are loosely coordinated. The sewing machine is installed, and the needle bar and the needle bar sleeve are replaced;
7. The needle hole on the needle board is too small, update the needle board with a large needle hole or change the needle of a small machine;
8. The parts are loose, check the coordination and wear between the parts of the hook mechanism, adjust the size according to the standard, and replace the parts with serious wear