When you throw it into reverse, the needle may be pulled into the hook in such a way that the thread is caught between the needle and the hook and breaks. That’s just one possibility. You may also have needle strikes to the hook or needle plate catching your thread and breaking it.
What can cause the thread to break?
Here are different causes for thread breakage, along with solutions:
- Improper threading. …
- Incorrect or damaged needle. …
- Bad thread. …
- Old Thread. …
- Upper tension is too tight. …
- Bobbin tension is too tight. …
- Burrs on the hook assembly. …
- Burrs on the needle plate.
Why does my thread keep fraying and breaking?
The most common reason why thread shreds, frays, or breaks at the needle is because the eye is too small to accommodate the thread, causing stress and friction, which results in shredding or breaking the top thread.
What is the remedy when the upper thread breaks?
Remedies: Check the threading order and thread correctly. Adjust the tension disc. Replace blunt or bent needles.
What thread tension should I use?
The dial settings run from 0 to 9, so 4.5 is generally the ‘default’ position for normal straight-stitch sewing. This should be suitable for most fabrics. If you are doing a zig-zag stitch, or another stitch that has width, then you may find that the bobbin thread is pulled through to the top.
What tension should I use for cotton?
Cotton requires a moderate tension setting, usually between three and four.
What is the cause of lower or under thread breaks?
Causes of Lower Thread Breaking
The bobbin is improperly threaded in the bobbin case. Thread tension is too tight. Thread is wound unevenly on bobbin and/or the bobbin is wound too full. Spring on bobbin case is worn to a sharp groove.
Why does black embroidery thread keep breaking?
Make sure to have your embroidery machine tensions set properly. Having the tension too high pulls too tight on your thread, leading it to break. Test and adjust the tension on your machine regularly and as needed. Machine your machine for burrs, or any knicks or scratches on any of the metal parts of the machine.