What is wrong with my sewing machine bobbin?

There are several culprits for this ranging from a dull needle, improper threading or tension. The tension in both your upper and bobbin threads need to be even. The bobbin could also be placed incorrectly. More than likely, you forgot to put the bobbin back correctly while cleaning your machine.

Why is my bottom bobbin thread bunching up?

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.

Why is my bottom bobbin not catching?

If it is not in the correct position, the needle will not go down and pick-up your bobbin thread. … Also, make sure your bobbin is in correctly (not backwards) and that the upper tension disks of your machine are threaded correctly. Make sure the presser foot is up when seating the thread through the upper tension.

What am I doing wrong with my bobbin?

My Bobbin Moves Slowly Or Gets Stuck



It’s very common to have problems sewing caused by the bobbin case not moving freely or getting stuck, causing jamming or skipped stitches. … It can also occur if the bobbin thread is not attached correctly, the thread has formed a knot or a problem with the bobbin case.

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Why is my sewing machine Birdnesting?

The main source of birdnesting or looping is improperly inserted or threaded bobbin or running the embroidery machine with no bobbin. … A tight bobbin tension, together with highly loose needle thread tension, can cause birdnesting. Flagging occurs when the hoop bounces up and down during sewing.

What tension should my sewing machine be on?

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.

How do I fix bobbin thread bunching up?

How to Fix Bobbin Thread Bunching and Other Threading Problems

  1. Thread the Machine Properly. Re-thread the upper part of the sewing machine making sure the thread is passing through every single thread guide on its way to the needle. …
  2. Change the Needle. …
  3. Inspect the Bobbin. …
  4. Clean the Machine.

How do you fix the bobbin tension on a Singer sewing machine?

Place a small screwdriver on the head of the screw on the side of the bobbin case. Turn very slightly clockwise to increase the tension on the Singer bobbin. Turn slightly counterclockwise to decrease the bobbin tension.

How do you fix common sewing machine problems?

HERE are 10 most common trouble areas of a sewing machine:

  1. Change the Needle. …
  2. Clean the Machine. …
  3. Check the Top Threading. …
  4. Quality Thread. …
  5. Bobbin thread not in the bobbin tension. …
  6. Not having your machine cleaned annually. …
  7. Wrong bobbin. …
  8. Needle not high enough.
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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.

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