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 top stitch so tight?
If the bobbin thread was incorrectly threaded, the upper thread may be too tight. … If the upper thread was incorrectly threaded, the upper thread may be too loose. 4. To increase the upper tension – increase the tension setting or turn the knob to the right.
Why is the top stitch on my sewing machine loose?
Probable Causes: – Top or bobbin thread is not set correctly. – Make sure that you are using a bobbin designed for this machine. …
Why is my stitch loose?
The machine is not correctly threaded
If the machine is threaded wrong, not only does it make the thread breaks easier, but is also more likely to create loose stitches. Check the threading to see if the thread has passed through the entire thread guides, the take-up lever and the eye of the needle.
What number should tension be on sewing machine?
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 you tell if your bobbin tension is off?
The thread should unwind just slightly and the bobbin case should drop an inch or two. If the thread unwinds without resistance and the case slips to the floor, your bobbin tension is too loose. If the bobbin case doesn’t budge, your bobbin tension is too tight.
How do you fix sewing tension?
18 March 2020
- 1) Check the spool is the right way up. The simplest solution is often the best one. …
- 2) Remove any spool stickers. …
- 3) Check all guides are threaded. …
- 4) Check the spool thread isn’t caught on the bobbin winder guide. …
- 5) Check the bobbin is inserted correctly. …
- 6) Adjust the spool tension dial.
Why does my top stitch look wrong?
Poor sewing machine tension on a machine-sewn seam can result in an unstable seam, puckering, or just plain unattractive stitching. Perfect machine stitches interlock smoothly and look the same on both sides of the fabric. If you see small loops on the right or wrong side, the thread tension isn’t correct.
What tightens or loosens the flow of the thread?
You’ve probably noticed the tension regulator on your sewing machine. It’s usually a dial with the numbers 3, 4, and 5 highlighted or circled. This regulator tightens, or loosens, the tension discs that the thread passes down through before it goes up and through the looper.
What tension should I use for cotton?
Cotton requires a moderate tension setting, usually between three and four.
Why does my thread keep pulling out of the needle?
The upper thread was not threaded correctly. The spool is not installed correctly, the spool cap is too big for the spool being used, or the thread has come out of the needle bar thread guide. Rethread ensuring that the spool is installed correctly and using a spool cap that matches your spool size.
How do you adjust thread tension?
Changing Bobbin Tension
Turning the screw a tiny bit counterclockwise will loosen the bobbin tension; turning it clockwise will tighten the tension. Some quilters keep two bobbin cases on hand, leaving one as-is from the factory and using the other when they need to make adjustments.