Where is the bobbin tension?

Asked by: Dr. Estel Ortiz DDS
Score: 5/5 (53 votes)

Bobbin tension (as I understand it) is a small amount of pressure on the thread in the bobbin case created between the 2 parts of the case. One of these parts is a small flat bobbin case spring/plate/disk (I don't know the name of the other part though).

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Regarding this, How do you adjust the tension on a bobbin?

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.

Hereof, What number should bobbin tension be?. Proper bobbin tension is essential to good embroidery. If tension is too tight, unwanted bobbin thread may begin to show on top of your garment and you may begin to experience frequent thread breaks which wastes time and money. Bobbin tensions should be 18 to 22 grams (up to 25 grams when embroidering caps).

Keeping this in mind, What happens if bobbin tension is too loose?

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 thread bunching underneath?

Your Thread Tension Is Too Tight

Make sure that you are using the same weight thread in both your bobbin and upper thread. If you don't, your tension can be uneven and cause you to get bunched-up thread under your fabric. ... If your tension is too tight, it can pull your thread and break it.

40 related questions found

Why is my sewing machine jamming underneath?

However certain you are that the problem with the machine is most likely due to a huge tangled mess of thread in the bobbin underneath the fabric, the most common reason for the jamming is usually the lack of sufficient tension in the upper thread.

What tension should my sewing machine be on?

As the bobbin thread tension is factory-set and wouldn't usually be adjusted for normal sewing. So we'll be talking only about the top thread tension since that's where you'd usually make the adjustments. The dial settings run from 0 to 9, so 4.5 is generally the 'default' position for normal straight-stitch sewing.

How do I know if my sewing machine has the right tension?

What is Perfect Sewing Machine Tension? Perfect sewing machine tension occurs when the top and bottom threads are perfectly balanced. That means you shouldn't see any little loops on either the top or bottom of your fabric and the stitching should look even on both sides.

Why is the tension on my sewing machine wrong?

When sewing fabrics together problems can occur when the thread tension is not correct, the needle or bobbin is not inserted properly, or the machine is not threaded correctly. ... Check you have chosen the right needle size and thread to suit the fabric type and weight.

When should I change sewing machine tension?

Don't hesitate to make tension adjustments because they're often necessary.
  1. Sewing Machine Tension.
  2. Balanced Machine Stitches.
  3. If Bobbin Thread Is Visible on Top of the Piece Being Sewn.
  4. If Needle Thread Is Visible on the Bottom Side of the Piece Being Sewn.

What tension should I use for thick fabric?

For thick upholstery fabric, use upholstery weight thread with a size 16/100 or 18/110 sharp needle. If you're sewing denim or canvas, try heavy duty thread with a denim needle size 90/14.

When should you tighten bobbin tension?

If the tension isn't perfect, fix it by adjusting the bobbin spring; tighter if the bobbin thread shows on the upper layer, and looser if the needle thread shows on the underlayer. Make another test seam, and examine the stitches, repeating until the stitch is balanced.

What tension should Jeans be set at?

Tension is ideal up to 6, but is too high after that and pulls the top stitch into a flat line. Regular thread, bobbin thread view. The bobbin stitches clear up around 6 but don't improve much after that.

What tension should my brother sewing machine be on?

The tension dial should be set between 2 to 6.

How do I fix bobbin thread bunching?

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.

Why is my thread 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.

How do I stop my sewing machine from bunching up?

A good cleaning may solve your bunching woes (check your manual for guidelines on cleaning and maintenance; your machine may also need to be oiled). To prevent stitch glitches, be sure to frequently dust underneath the throat plate and along the thread path, and to periodically clean and oil your machine.

What tension should my Singer sewing machine be on?

The target figure should be around 30 to 40g. (1-1/4 to 1-1/2 oz) but it does not have to be too precise. However most people don't have a spring balance handy, so alternatively you can tie a weight of the correct amount onto the thread and then jerk the bobbin gently upwards.

What width should my sewing machine be on?

A straight stitch has no width so it makes sense to set the dial at "0". However, each machine varies so you will want to set the Stitch Width dial at the position where the needle is centered over the stitch plate. This will give you the most accurate seam allowance.