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Jul 30, 2014 - Turn the thread tension dial to select an appropriate thread tension. The appropriate thread tension differs according to the type of fabric and thread being used. ... If the upper threading and lower threading are incorrect, the thread tension cannot be adjusted correctly, even by turning the thread tension dial.
Incorrectly threaded machine: Did you use all thread guides? Did you thread with the presser foot down,which would keep the thread from slipping fully between tension discs? Is thread unwinding freely from the spool, or catching on the spool's slash? Are you using a bobbin as a spool (which can interfere with the thread ...
Nov 2, 2008 - When the bobbin thread shows on the right side, the needle tension is too tight or the bobbin thread, too loose, as shown in the middle drawing at right. When the needle thread shows on the wrong side, the needle tension is too loose or the bobbin thread, too tight, as shown in the bottom drawing at right.
I've seen many sewers make the mistake of using the same tension setting for all their sewing projects and then they wonder why the finish isn't perfect. The fact is, the wrong tension is a sewing disaster. It can ruin your sewing project and literally give you a tension headache. Knowing how to troubleshoot your tension ...
Jul 12, 2016 - Uploaded by Professor Pincushion
Learn how to correct thread tension so that your stitches come out perfect no matter the type of fabric you're ...
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. Threading instructions for sewing machines and overlockers are included in the machine's manual and should be consulted before you start sewing ...
Could be a multitude of things. Use only good quality thread--no old or bargain bin threads. Try a different brand of thread--some machines prefer certain brands over others. The needle and thread should be compatible--ie needle eye shouldn't be too small for thread weight. Burr catching the thread and breaking it. Upper tension too tight.
Remove the upper thread, RAISE the presser foot and rethread from the beginning. Verify the thread is not looped incorrectly in the thread path, like around a thread guide or around the spool pin. Is the thread snagging on the thread spool itself? Do you see the thread tightening as you sew and eventually it breaks? This indicates it is catching somewhere between the needle and spool. Is it shredding at the needle eye? This indicates the needle eye is not suitable for the thread being used.
Watch where the thread is breaking. This will sometimes give you a clue where the problem exists.
Breaking thread? Presumably the top thread? AVOID old or bargain bin threads. The upper tension is too tight or the thread is not properly seated in the tension disk, the needle is defective or the needle, needle eye/scarf is not the best choice for the fabric/thread being used, there may be a snag in the bobbin area that is catching the thread. Make sure the thread is not catching on the spool's thread notch.
Top thread breaking is usually because the tension is too tight or the thread is catching somewhere in the thread path from the spool to the needle. Also check that the needle doesn't have a burr on it somewhere, or is blunt.
Thread snarls underneath the fabric is usually caused by top thread tension issues. You will need to rethread top and bottom and CHECK that the thread is in tension correctly. So lower the pressure foot and pull the top thread just before the needle - does it feel hard to pull? If not, then the thread is not in tension. Rethread top again, checking the tension dial is set to 5 and the thread is correctly pulled between the tension discs. And always hold the two thread tails at the back of the sewing area as you start each new seam to avoid these being pulled down into the bobbin area and getting jammed up.
So, rethread, test sew and get the top tension sorted, a nice straight stitch happening, then try the buttonholing sequence again.
1. Do you mean that there are knots in the bobbin thread?
2. Is the bottom thread in your stitching looping and knotting.
If yes to 1. you need to rewind your bobbin fresh, and keep slight tension on the thread reel that you are winding it from. Put the handle of your scissors into the top of the reel to apply a gentle pressure while winding. Keep your eye on the bobbin as it winds and give it a nudge with a finger tip to ensure it winds the bobbin evenly top, middle and bottom.
If yes to 2, then you need to check your bobbin threading, is the thread even under tension. Is the bobbin tension set correctly. Break out your manual and revisit this to ensure it is set correctly.
Try re-threading, make sure the presser lifer is up so the tension discs are open and the thread will go into them. It sounds like you may have missed either the upper tension discs or the take up lever.
A drop of oil on the hook wouldn't hurt if you haven't oiled in awhile.