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How do I fix the bottom bobbin thread

After sewing on fabric, I am able to pull the bottom thread easily out of fabric, therefore, the top thread falls out. The top thread looks very nice. I have cleaned bobbin case, rethreaded top and bottom and changed the needle with no luck correcting problem.

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  • Sewing Machines Master
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THE BOTTOM AND TOP THREADS ARE IN A TUG OF WAR. WHEN THE TOP IS TOO LOOSE THE BOBBIN WILL BE PULLING HARDER THAN THE TOP THREAD SO A GREAT DEAL MORE THREAD WILL END UP ON THE BOTTOM. TO CORRECT THIS YOU INCREASE THE TOP THREAD TENSION. IF THE TOP THREAD IS PULLING HARDER THAN THE BOTTOM THEN A GREAT DEAL MORE BOBBIN THREAD WILL END UP ON THE TOP. TO CORRECT THIS YOU WOULD LOWER THE TENSION ON TOP.

Posted on Dec 12, 2014

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Just as there is a tension dial adjustment screw that works on the needle thread tension, there is also an adjustment screw for the bobbin thread tension.

Posted on Dec 13, 2014

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1 Answer

Brother SE400 :When I pull on the fabric's sewn part one of the threads slides back and forth. I can then pull on one of the threads-it slides out and the other thread is easily lifted up. How to fix?


Your stitches may be too far apart. But, most likely the issue is that the tensions are not correct. If one thread lays in a smooth straight line on the fabric, the other thread tension is too loose, ie the bobbin thread lays on the fabric and the top thread is going all the way through the fabric and shows on the bobbin side, then the top tension needs to be tightened. The tensions are correct when both threads meet in the middle of the fabric.

Sep 14, 2017 | Brother Sewing Machines

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The tension my machine seems wrong. When I sew the stitching at the bottom of the material is right but the sewing on the top seems loose.


Tighten the top tension. However, if the bobbin thread is actually pulling up on the top of the fabric, the bobbin tension is too loose. Both top and bobbin threads should pull enough against each other that they meet in the middle of the fabric without causing puckering.

Another thing to remember. ALWAYS RAISE the presser foot when threading the top thread!

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Jul 15, 2017 | Sewing Machines

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Fixing the problem of birdnesting


Birdnesting is a common but very frustrating problem that can be resolved easily once you know where the problem originates. Remember, if the birdnesting occurs on the underside of the fabric, the problem originates with the upper thread. If it shows on the top of the fabric, the problem is the bobbin.

Very often, the machine is not threaded correctly. Remove all the thread from the machine. Check there are no loose threads or lint stuck anywhere in the machine. Oil as instructed in the manual.

Install a brand new needle! The needle should be suitable for the thread and fabric you are using. All About Needles

ALWAYS RAISE the presser foot and rethread the upper thread. Verify the path is correct.

Check that the bobbin is installed and threaded properly.

Pull the bobbin thread to the top of the fabric.
How and Why to Bring up the Bobbin Thread

Set the upper tension to the midway point.

While holding both thread tails lightly in your left hand, begin sewing slowly.

sewing machine birdnesting Google Search

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Oct 27, 2016 | Sewing Machines

1 Answer

Brother Sq9185 sewing machine, the thread on bottom just pulls out, when free motion quilting? how do I fix this


Sounds like the upper tension needs to be tightened, or the bobbin thread needs to be loosened. At any rate, the tension is correct when the two threads meet in the middle of the fabric for general sewing.

For free motion quilting, the tension should be adjusted so that the bobbin thread does not show on the top of the fabric, however, it should not lay in a straight line like it sounds like it may appear currently. What you are currently producing is a gathering stitch where the bobbin thread can be easily pulled.

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Nov 16, 2015 | Generic Brother 130-Stitch Sewing and...

2 Answers

Why isbobbin stitch on top weird how do i fix


sorry but the bottom stitch does not move but the top one does . if you want straight stitch the machine setting has to be changed to straight .

May 22, 2015 | Sewing Machines

4 Answers

Trying to sew zigzag but the bobbin thread is showing up on top


1. Try to loosen the top tension first.
2. If this doesn't work remove the bobbin and tighten the bobbin.
3. The purpose of this is to have the top and bottom tension even. This is similar to a tug of war. Whichever way is stronger is where the knot will be going. You want the knot in the middle of the fabric.
4. Test your top tension by leaving the foot up. Pull the thread through back and forth. It should be easy. If it isn't you will need to adjust the tension mechanism.

There is a tension set document added to help you.
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25699235-atjq0avj50lhlou12xfzw2eu-3-2.jpg

May 16, 2015 | Husqvarna Viking Emerald 116 Sewing...

2 Answers

I have a JC penny sewing machine model # 6912 and my bobbin thread keeps tangling up can you help me


check the upper thread tension as it is not pulling the bottom thread through

May 07, 2015 | Sewing Machines

1 Answer

Bobbin thread not sewing tight


try adjusting the top thread tension one number or letter higher
sewing on a scrap piece of fabric till the stitch looks normal.

Jan 17, 2013 | New Home 2014LE Mechanical Sewing Machine

1 Answer

Singer 301a...sews on top of fabric nicely...bottom is just loose loops of thread...it's like the bobbin is not sewing...I put 2 different colors in to see...top is perfect...on bottom of fabric I see the...


This is a tension adjustment problem. It's good to use two different colors of thread, like you did. From your description, the top thread (needle thread) tension needs to be tighter. As you tighten the tension of the top thread, you'll see that the top thread pulls the bobbin thread up into the fabric so it's no longer laying loose on the bottom of the fabric.

You'll need to have the pressure foot down when you tighten the tension. Tighten it a little, sew a practice seam, check to see what the stitch looks like. Tighten it a little more, sew, check, etc etc--until both top and bottom look the same--you shouldn't see much (if any) of the bobbin thread color on top of the fabric or the top thread color on the underside.

Let me know how this works for you, ok?


Robbie

Jan 25, 2010 | Singer Sewing Machines

1 Answer

Bobbin on a Viking #1+ sewing machine


Could be the bobbin case tension is too tight--are you using a thicker thread than usual? Also, check to make sure that it is the correct bobbin for your machine--several are very similar but if not exact, will not sew properly. Also, if the thread is not evenly wound on the bobbin, there would be problems. Check to make sure the bobbin thread is threaded through the bobbin tension. It may help to tighten the top tension, but if the bobbin case tension is too tight, adjusting the top tension will not completely resolve the problem. The tension is correct when the top and bobbin threads meet in the middle of the fabric--this means that whenever you start a different project, you may need to re-adjust the tension.

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Learn the Ins and Outs of Troubleshooting Sewing Machine Tension

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