If your sewing machine thread is not properly threaded, the bobbin thread won’t be pulled up into the fabric the way it needs to be. Occasionally the upper thread can catch on a moving part or get stuck, which impedes the easy flow of thread through the needle, creating a tangle.
How do I keep my bobbins from tangling?
How to Fix Bobbin Thread Bunching and Other Threading Problems
- 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. …
- Change the Needle. …
- Inspect the Bobbin. …
- Clean the Machine.
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. … In this case, it might be necessary to loosen both the bobbin tension AND the top tension.
Why does my lower bobbin keep jamming?
Make sure your bobbin thread is wound evenly on the bobbin. If the thread is wound uneven make sure the bobbin thread is through the bobbin thread winding thread guide when you start to wind your bobbin. … If the bobbin case has been inserted incorrectly into the outer rotary hook your machine will jam.
Why does my sewing machine keep jamming underneath?
The reason for the problem could be lint, dust and other debris getting stuck in their mechanism. The solution: Stop work, lift the presser foot and thoroughly clean the fee dogs from any debris. Also, make sure that they are lifted up in a raised position allowing for a proper grip of the fabric.
Why is my thread wrapping around the bobbin?
Some of the main reasons your thread could be wrapping around the bobbin include lack of proper maintenance, causing a buildup of lint and debris, improperly threading the machine, using the wrong needle, or using a different thread weight that is not recommended.
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.
Why does my sewing machine keep bird nesting?
Bird nests occur when thread bunches up underneath the needle plate, causing broken threads, skipped stitches, or uneven tension. This is typically caused by the top thread not being threaded correctly or a sewing machine tension issue.
Why is my sewing machine bunching thread?
What should I do if I experience thread bunching? As “thread bunching” occurs on the underside of the fabric, some people think it is due to the lower thread. They check whether the bobbin is sitting correctly in the bobbin case or even replace the bobbin. … On many models, the upper thread tension is set automatically.
What part of sewing machine needs to be changed when the fabric is jamming?
Next, remove all the jammed thread; this may require removing the bobbin, the throat plate, and any other parts to release any jammed threads and get the machine sewing again. Before you start sewing again, check your sewing machine needle.
How do you fix a lower bobbin tension?
To tighten your bobbin tension, turn the tiny screw on the bobbin case a smidgen clockwise. To loosen bobbin tension, turn the screw counterclockwise. A quarter turn or less is a good place to start.
Why does the thread on my sewing machine knot up under the material?
If the thread has knots, is not smooth, is uneven, or is loose on the bobbin, then it has not been threaded correctly. If your machine uses a bobbin case, follow your sewing machine’s instructions to remove the bobbin from the case and re-thread it. … Be sure that you have the bobbin thread engaged in the bobbin tension.