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.
Is a bobbin case necessary?
The top thread will go across the top of the bobbin case, which is why it is so important to use the correct bobbin. If the bobbin is too tall (see my previous post), the thread will catch and seize the machine. In machines with an automatic thread cutter, the bobbin case also helps keep threads in place to cut.
Why is my bobbin case loose?
Stuck bobbin case
In many cases, a bobbin case gets stuck because of burrs that get inside the bobbin case. You will also need to open the bottom plate of your machine and check if anything is stuck. At times, the bobbin can get stuck in such a way that you cannot easily pull it out to check what the problem is.
What does the bobbin case do on a sewing machine?
A sewing machine bobbin case has important functions relating to thread tension. It gently and securely nestles the bobbin so that the machine can unravel the thread without damaging movements.
Can you sew without a bobbin case?
Can you use a sewing machine without a bobbin? You can’t sew without a bobbin, as the machine requires two spools in order to operate properly. Therefore, you will need to add the bobbin thread in addition to your needle thread.
What happens if you use the wrong bobbin?
The short answer is YES! Filling a sewing machine bobbin too tightly can make a plastic bobbin bulge or stretch the thread if you are using a metal bobbin. This may be hard to see but can cause all kinds of problems. Plastic bobbins can become compressed in the center causing the bobbin to distort.
What can I use instead of a bobbin?
There are machines that sew without a bobbin – they are called sergers, overlockers, chain stitch machines, and the thread for the underside of the fabric feeds off of a moving “looper” (a hinged hook with guides for the thread).
Are metal or plastic bobbins better?
The rule of thumb for bobbins is that metal ones are for metal bobbin cases and plastic ones are for plastic bobbin cases. If you try to place a metal bobbin in a plastic bobbin case you may see that the bobbin case wears out a lot faster than it is supposed to.
When should I use bobbin thread?
Bobbin thread is a lightweight thread for machine embroidery or machine basting. When bobbin thread is used for machine embroidery, it allows the back of the embroidery design to be much less dense than the front of the design. This is especially helpful when you are embroidering lightweight fabric.
How do you fix 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.
How do I fix bobbin thread bunching up?
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.
Is the bobbin case supposed to move?
THe bobbin will move a bit as you sew but don’t expect it to spin wildly. Seems counterintuitive, but that’s how they do it. Now about “raising the bobbin thread”. It means the bobbin thread needs to come up through the little hole under the presser foot.
Does the bobbin case move?
The part underneath it moves, but the case itself isn’t moving, so the bobbin thread isn’t catching onto the top thread.
How does the bottom bobbin work?
According to Vocabulary.com, “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.” … The bobbin feeds the thread through the machine to help secure a stitch.