How tight should bobbin tension?

How much tension should a bobbin have?

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).

Do I need to adjust bobbin tension?

Bobbin thread tension has been correctly set at the factory.

The bobbin tension can become looser even if you haven’t changed the setting yourself. Sometimes it’s still necessary to loosen or tighten the bobbin tension. You can change the front loading bobbin tension easily. But with drop-in bobbins – it’s not so easy.

When should I adjust the 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.

Why is my thread bunching underneath?

Your Thread Tension Is Too Tight

Sewing machine manufacturers suggest that you don’t mess with your bobbin thread tension too much, but you should adjust your upper thread tension if you keep getting bunched up thread underneath your fabric. If your tension is too tight, it can pull your thread and break it.

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What is sewing machine 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.