Top looks fine, but underneath looks like a rat's nest. Is it the needle not turned to the right or is there something I am just missing altogether. I am really lost with this and frustrated beyond belief. Any help would be appreciated. I have the Juki tl98 mounted on a bee line quilting frame and have had very little success. Please help!!!
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Re: Thread looping underneath quilt
Your problem is the top thread. Make sure you lift the presser lever BEFORE you thread the machine. After threading the machine, just before you thread the needle, lower the presser foot, and test the top tension by pulling down on the thead. If there is little or no tension, adjust the top tension to a higher number, say from 3 to 5, or from 5 to 7, and test the tension again. If you fail to increase the tension by above procedure, look for cotton that might be stuck in the tension blades and remove it. Hope this will help you
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Although there could be several reasons, this is generally called bird nesting or thread nesting. It is usually a result of loose upper tension, mis-threading, or possibly a needle/thread/fabric incompatibility.
#1--when you thread, make sure you ALWAYS raise the presser foot so the thread seats in the tension disk. And, be sure to change the needle often...
You do not have the tension on your machine set correctly. That is leaving the bobbin thread too loose, hence the loops you are seeing. What kind of machine do you have? I can tell you where the tension is located. Also, tell me what kind of fabric you are trying to sew. FIRST JUST SET IT BACK TO THE FACTORY DEFAULT. When you are moving the machine it is easy to accidentally hit the tension and change it. Here is a picture of what a tension knob looks like. Good luck.
YOur top thread is looping, right? Re-thread your top thread, making sure you floss it into the tension system. When you drop the pressed foot it should offer tension to the thread. Right? When you have underside loops it would indicate too much thread, right? So either the tension is too low OR something is jerking on the top thread causing a loop.
1. The needle is not inserted correctly
Remove needle & reinsert needle( flat side towards the back of machine)
2. The needle is damaged
replace with new needle
3. The wrong size needle is being used
Choose a needle to suit the thread & fabric
4. The foot not attached correctly
Check & attach correctly
bird nesting problems
Try these suggestions
1. Change needle
2. Rethread the machine--top --make sure to use every thread guide
3. Take the bobbin out --make sure it is inserted correctly into the bobbin
Case, & make sure the bobbin is turned the correct way
4. make sure the thread has not come off the thread take up lever
5. Clean under the needle plate & in the bobbin area for lint or threads
The needle thread breaks
1. the needle thread is not threaded properly
2. The needle thread tension is to tight
3. The needle is bent or blunt
4. The needle is incorrectly inserted
5. The needle thread & the bobbin thread are not set under the presser foot when starting to sew
6. the threads were not drawn to the rear after sewing
7. The thread is either to heavy or to fine for the needle
Try a different needle. Use a quilting or topstitch or even a metallic needle - one that has a larger scarf than normal. The scarf is the groove at the back of the needle where the thread goes while the stitch is being formed. Quilting threads often need more "room" there. I have been told that the Inspira quilting needles are good because they have a thread groove on the front and the back of the needle. Not tried them personally but might be worthwhile for you to consider.
For the looping, you could fiddle with your tensions a little either loosening the bobbin tension or tightening the top, or both. Only ever do this in very small increments. But the good news is that even the "professional" quilters do not have perfect quilt backs - just have a look at them at quilt shows! Pam M.
Make sure the bobbin thread "clicks" into the tension slot. However, thread nests underneath are usually caused by the top thread, not the bobbin. Make sure your thread is seating itself in the top tension disks. To do this, put the spool on the machine, pull off about 12 or 15 inches of thread, then hold this thread down with one finger on your right hand as you take the thread tail through the threading path with your left hand. When you get to the needle, tug the thread (still holding it down up top) to be sure it seats in the tensions disks. You must also have the presser foot UP while you do this to ensure that the tension disks are open. Watch the first thread guide after the spool as you sew to make sure the thread is not jumping out of there (a common problem with Des1 machines, fixed with SEs - no comfort to you and me!). I have put a small piece of tape across there with the end turned back on itself so no sticky bit is going to catch on the thread.