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Bobbin issues the bobbin thread is bunching up

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Check whether it is bobbin thread or the top thread accumulating under the fabric. Generally, if thread problems exist "under" the fabric, it is a top thread issue. If the problems exist "above" the fabric, it is a bobbin issue.

Sounds like a thread nesting (bird nesting) problem where the top thread is globbing under the fabric. Usually, this is caused by misthreading (confirm the thread path), the thread not seated in the tension disk (ALWAYS RAISE the presser foot when threading!), or very loose top thread tension.

Remove the thread. Raise the presser foot and rethread from the beginning. Check that the thread path is correct. Set the upper tension at the midway point between high & low numbers (this is the beginning point for tension and will most likely need to be tweaked for your particular machine).

Sewing Machine Thread Bunching Up Here Why

What causes Bird Nests Superior Threads

Birds nest under the fabric big loops of thread top side looks good...

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Posted on Dec 11, 2016

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When I sew I have thread bunching up underneath the fabric, I've changed needle size, thread, bobbins and cleaned out around the bobbin holder. I'm frustrated and out of ideas.


Susan--
Easy peasy, once you know the problem and how to fix it. It's called "bird nesting" or "thread nesting" or what I refer to as thread "barfs."

Install a brand new needle.
Remove all the thread from the machine.
**ALWAYS RAISE** the presser foot and rethread the top thread.
Verify the top thread path is correct.
Install and thread the bobbin case, make sure it is correct.
Set the top tension to the midway point.

Now retest your machine. Birds nests gone? You may need to tweak the top tension because the factory standard changes due to age and use.

FWIW, problems appearing under the fabric are an issue of the top thread. Thread problems appearing on top of the fabric is a bobbin issue.

What causes Bird Nests Superior Threads

Birds nest under the fabric big loops of thread top side looks good...

WHY IS THREAD BUNCHING UNDERNEATH MY FABRIC

Mar 25, 2017 | Sewing Machines

3 Answers

Thread bunches up into a knotted mess on bottom. Bobbin doesn't sit flat inside the bobbin case but spins with a tilt, lower on the left and higher on the right. Bobbin touches plastic cover plate.


Usually, thread bunching under the fabric is an upper tension issue. Be sure to ALWAYS RAISE the presser foot when threading the upper thread.

With the bobbin case operating at a tilt, there is something mechanically wrong with the machine. It may be best to take it for service.

..

Aug 30, 2016 | Singer 4411 Heavy Duty Sewing Machine

2 Answers

I have a singer prelude sewing machine - the thread started binding from the bobbin up - there were about 50 threads pierced through my test patch.


what you describe is thread bunching and is typical of the needle thread tension being too loose
adjust that right up, run a test sew and go from there

Aug 07, 2016 | Singer Sewing Machines

2 Answers

I'm having trouble properly threading my Elna 1010. Could you please help? The bobbin thread keeps bunching up and breaking


bunching of thread under the material is an indication of insufficient tension of the needle thread
increase the needle tension until the threads meet at the center of the materialbeing sewn

Jul 26, 2016 | Elna Sewing Machines

1 Answer

Thread on my consew 225 keeps balling the thread on the bottbottom


Sounds like bird nesting. The upper thread accumulates under the fabric creating a series of loops and knots.

First: Install a brand new needle and make sure it is installed facing the correct direction. (A new needle is the least expensive fix for most sewing machine issues.)

Second: Remove the thread. RAISE the presser foot and rethread from the beginning. Make sure it is threaded correctly (consult the owner's manual).

Third: Pull up the bobbin thread through the fabric and gently hold the thread tails in your left hand while slowly taking the first couple of stitches.

How and Why to Bring up the Bobbin Thread

Sewing Machine Thread Bunching Up Here Why

https://answers.yahoo.com/question/index?qid=20100303212248AAnRUQA

Why Do Get Bunched Up Thread Under My Fabric

WHY IS THREAD BUNCHING UNDERNEATH MY FABRIC

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Feb 06, 2016 | Consew Sewing Machines

2 Answers

Thread jams when I sew.


Hi
Try changing the needle.
if not check your tension and make sure its not to slack

Jul 15, 2015 | Sewing Machines

2 Answers

Thread bunches up when replacing thread on bobbin


If the thread is bunching or tangling when winding a bobbin, check that you have properly threaded the winder. Especially make sure you are running the thread through the bobbin tension assembly.

Aug 21, 2014 | Singer 5050 Mechanical Sewing Machine

1 Answer

Thread bunching and bobbin winder quit


This sounds a lot like you've forgotten to lower the presser foot. (this leaves the tension discs open and causes serious issues below the material.) Double check that and if still having issues post again.

Nov 03, 2012 | Brother SE-270D Computerized Sewing...

1 Answer

When i sew the bobbin thread bunches up. what to do?


remove the thread and bobbin.
take out your manual and follow the exact instructions for threading and inserting bobbin.

If this does not help check the tension on the top(the number should be about mid way).
If it is too low it will bunch up on the bottom.

Nov 12, 2011 | Brother LS-1217 Mechanical Sewing Machine

3 Answers

Thread catching and bunching up in bobbin latch while sewing


I had the same problem where the thread was getting all bunched up on the underside. I took everything out and followed the manual concerning threading, then manually moved my right wheel to see if it would get bunched up. It took awhile, but I finally got it sew correctly again. I;m still not sure what was wrong with it. I have a singer 7470.

Mar 23, 2009 | Singer 132QRFB Mechanical Sewing Machine

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