You asked: Why does my thread keep breaking when sewing?

Why is the thread breaking while I sew?

The upper thread tension could be set too tight. Set the tension to the best thread tension setting or less. Make sure the spool of thread is installed correctly using the correct size spool cap for the size of spool. … Check that the bobbin is wound so that it about 80% full and that the thread is evenly wound.

What tension should I use for cotton?

Cotton requires a moderate tension setting, usually between three and four.

Which thread breaks easily and why?

Dark thread tends to break more easily than light. The thread’s composition can cause the breakage; cotton, rayon, some trilobal polyester and other weaker fiber threads tend to break or fray more frequently.

What tension should I use for thin fabric?

Use size 70/10 for really thin cotton like voile, size 80/12 for light to medium weight cotton, and 90/14 for thick cotton like denim.

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.

How do I know if my bobbin tension is correct?

The thread should unwind just slightly and the bobbin case should drop an inch or two. If the thread unwinds without resistance and the case slips to the floor, your bobbin tension is too loose. If the bobbin case doesn’t budge, your bobbin tension is too tight.

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