Thread breaks constantly.
The problem is that when you sew the elastic to the underwear the needle has to sometimes go thru the rubber in the elastic so the tread gets tangle up.try these solutions 1-take a piece of wax and rub it on the elastic that will allow the needle to go thru the fabric 2-or a bar of soap do the same 3-take a piece of wooly cloth and wet it with machine oil and set it under the tread on top of sewing machine make sure that the tread gets wet with the oil that will allow the needle to slide by the rubber in the elastic.
SOURCE: Bobbin thread breaks
Make sure your bobbin thread is turning clockwise as it sits in the bobbin case. There is a screw on the outside of the bobbin case you can turn with your thumb slightly to adjust tension. If you dangle the case from the thread and give it a light ****, it should move down slightly when doing so-an indicator of good bobbin tension.
SOURCE: Upper Thread Breaks!!!
Hi, here are some reasons why the thread is breaking :-)
Hope this helps.
SOURCE: Thread frays and breaks when sewing and embroidering.
Make sure that the machine is threaded correctly, that the needle is in
properly, that the bobbin case and bobbin are both inserted correctly
and that you are not using old thread.
Make sure that there is a new needle in the machine and loosen the top
tension about a number
You need to carefully re-thread the machine.
.
SOURCE: Shirring fabric?
When putting your shirring elastic on the bobbin, don't thread the elastic through the bobbin holder,adjust the stitch length longer,and loosen the tension, other wise if you want to put it through the bobbin holder you have to loosen the tension screw on the bobbin holder, and then you have to adjust it back for ordinary sewing,
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