How do you put a bobbin in?

What is the purpose of a bobbin on a sewing machine?

A bobbin is the part of a sewing machine on which the lower thread is wound. The machine makes a stitch by catching the bottom thread, from the bobbin, with the top thread, from the needle.

Are all Singer Bobbins the same?

Use only bobbins that are the same class/style as those that come with your machine – don’t substitute! SINGER® branded bobbins are recommended for best results. … The thread that is wound too loosely can cause machine jamming. The thread that is wound too tightly can distort or break the bobbin.

When should I replace my bobbin case?

As long as you take good care of your bobbin case, it will perform well. However, eventually, it will cease to sew smoothly and will need to be replaced. Sometimes people think they only need to replace certain parts of the bobbin case, like the tension spring or the tension screw.

Why is my thread bunching underneath?

A: Looping on the underside, or back of the fabric, means the top tension is too loose compared to the bobbin tension, so the bobbin thread is pulling too much top thread underneath. By tightening the top tension, the loops will stop, but the added tension may cause breakage, especially with sensitive threads.

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Does bobbin direction matter?

Make sure the bobbin thread unrolls in the correct direction when installing the bobbin into the bobbin case. … If the thread unrolls in the wrong direction, the needle may break or the thread tension will be incorrect. Use a bobbin that has been correctly wound with thread.

Why is my bobbin thread not catching?

Check the upper thread. – Check to see if your upper tension is too tight. … – Your thread could be caught on something between the needle and your spool of thread if so, your thread will be too tight for the needle to pick up the bobbin thread. – Make sure that the upper thread is threaded properly.