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1. It may be that the position of the sewing machine needle and the hole of the needle plate does not match. When the needle is pierced, the position is not aligned with the hole of the needle plate and the needle is broken. If this is the case, it is necessary to adjust the position of the needle plate and the tooth frame so that the needle is in the center of the hole of the needle plate
2. Another situation is that the needle is too thin and the material is too thick. The needle is easy to bend when piercing the material, so it cannot match the hole of the needle plate and the needle is broken. If this is the case, it is necessary to change a thick needle to make it thicker. material.
3. If feeding the material too early or too late is not synchronized with the operation of the machine and the needle, it will also cause the needle to break. The height of the bar is based on the scale of the needle bar.