You should see a small screw on the flat/closed side of the bobbin case. Turning the screw a tiny bit counterclockwise will loosen the bobbin tension; turning it clockwise will tighten the tension.
How do I adjust the tension on my sewing machine?
To increase your top tension if it’s too loose, turn your knob so that the numbers are increasing. Try ½ to 1 number higher, then test the stitches on a piece of scrap fabric. Continue until it looks even on both sides and you can no longer see the bobbin thread on the right side of the fabric.
What part of the sewing machine controls tension on the top thread?
A thread tension dial is used to control the tension on the top thread. 12. Thread take-up lever: During sewing, the top thread passes through the thread take-up lever.
Why is the tension wrong on my sewing machine?
Needles, threads, and fabrics: Different thread sizes and types on top and in the bobbin can throw off basic tension settings. A needle that’s too large or small for the thread can also unbalance your stitches, because the size of the hole adds to or reduces the total top tension.
What will you do if there is a problem with the stitch tension as the thread passes through the machine?
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.
How do I know if my bobbin tension is correct?
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.
What is the order of threading the upper part of sewing machine?
To set up the upper thread for your machine, first place a spool of thread on your machine’s thread pin (also called a spool pin or spool holder). Thread through the thread guide. Pull the thread to the left of your machine and thread it through the thread guide. Pull the thread through the U-shaped guide.
What are the different parts of the sewing machine where the upper thread passes through?
Anatomy of the Sewing Machine
The spool thread comes from the top of the machine and goes through the upper thread guide, while the bobbin thread is under the needle and goes through the bobbin thread guide.
What holds the upper thread on a sewing machine?
Sewing Machine Parts Review Activity
|7: This is what you put the upper thread on. It holds your spool in place while sewing and is on the top of your sewing machine.||spool pin & cap|
|8: This is where the bobbin sits when you are sewing.||bobbin case|
What thread tension should I use for cotton?
Cotton requires a moderate tension setting, usually between three and four.
Why does the thread bunch up underneath?
Your Thread Tails Are Too Short
If the thread tails that come out of your bobbin are shorter than two inches, they may get sucked into your sewing machine when you begin to sew. This can cause thread bunching underneath your fabric.
What pulls the thread from the spool?
Take-up lever- pulls thread from the spool. Thread cutter- a place to cut the thread(s) without using scissors. Thread guides- holds the thread in place on the sewing machine.