When adjusted to a higher number turned clockwise , the discs move closer together, increasing the amount of pressure. The two threads should interlock in the centre of the layers of fabric being sewn together see diagram. Then draw a picture showing the position of the bobbin screw, like the example below, to use as a reference if you need to record a change in bobbin settings for special threads. Correct Embroidery Thread Tension When your tensions are correct, you will see three fairly evenly divided sections on the back of your lettering or embroidery in each segment. A bobbin tension gauge can be most helpful.
If the bobbin case does not move at all, the tension is too tight. When you are trying to experiment with the tension in your sewing machine, thread it with different colored threads preferably contrasting colours, so that you can see the problem clearly on top and on the bobbin and use a scrap muslin fabric. If you enjoyed this article and found it helpful, please let me know by clicking this button - thank you! Keep increasing the tension until no needle thread is visible on the backing. When you move the tension dial and reaches the optimum tension this is the result. Adjust the thread tension while test sewing on a piece of scrap fabric that is the same as that used in your project. These often go dry and sometimes need to be replaced.
Sewing machine tension problems arise when we use one thread in the needle and a different thread in the bobbin. Return the tension to the original setting. Tighten left needle thread tension dial until close, firm loops form on the underside. I'm a vintage loving, chocoholic, cat kissing, bookwarm, foodie, who likes to make pretty things. Slow down your hand speed.
This is especially true with the cardboard sided bobbins. I'm using E thread with size 18 needle, the material is two layers of denier cordura. The machine gets used to one type of thread and when you make a change you start to have problems. The gold thread image in the center is showing that the top tension is too loose. Adjust each dial separately to determine which thread needs to be loosened. Make another test seam, and examine the stitches, repeating until the stitch is balanced. Please note this form is used for feedback only.