Question about Singer 5050 Mechanical Sewing Machine

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I have a singer CG 500 C. When switching to a different fabric or thread, the bobbin thread begins to get loose and bunched underneath the fabric. I have adjusted the tension to have it get better for a few stitches and then fall apart again. I am working with a satin fabric and a fine thread and small needle configuration. I tried both smaller and larger needles to have it do the same thing.

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Your threading might be the problem, follow the advise in your manual for your fabric. or go to singerco.com & see what they advise in your model or another one for tensions on satin. You may need a walking foot to do the job, You can take a scrap piece of fabric and try using tissue paper under your fabric to stop the slippage, then tear it away. We did that when I was learning to sew, and it worked. Good luck.

Posted on Sep 12, 2010

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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

1 Answer

I need elp with tension on singer cg550


You didn't explain the symptoms. Is the thread bunching, looping, knotting under the fabric? Is the bobbin thread rising to the top of the fabric?

If it is bunching under the fabric, it is probably what is called thread nesting or bird nesting. There are several fixes, sometimes more than one fix is required to resolve the issue.

Be sure to clean under the needle plate, around the bobbin, and the feed dogs. If the machine has instructions for oiling, follow the directions using a fresh, good quality sewing machine oil and apply only 1-2 drops each spot.

Install a brand new needle. Make sure you are using a needle compatible with the thread and fabric being used. All About Needles
Best practice is to use the same thread in both the upper and bobbin. Also, avoid old or bargain bin thread. Spend an extra couple of dollars to reduce frustration and increase success with your machine. If you wish, you may use two different colors of thread to test so you can easily determine what is happening with the tension.

Remove the thread from the machine. RAISE the presser foot and rethread from the beginning--the thread needs to be seated firmly in the tension disk. Verify that the correct thread path is followed (consult the owner's manual).

Set the upper tension to the midway point between high & low numbers (this is the factory standard and is a good place to start, but every machine is different and may need adjustment).

Confirm that the bobbin is installed in the bobbin case (turning the correct direction) and that the bobbin case is threaded properly.

Before beginning to stitch, hand rotate the handwheel one rotation and pull the bobbin thread to the top of the fabric. Then, gently hold the thread tails in the left hand and slowly begin to stitch.

Test.

If thread is bunching, looping under the fabric, the upper tension is too loose. Tighten it and retest. On most machines, the lower the tension number, the looser the tension.

If the bobbin thread is rising to the top of the fabric, the upper tension is too tight. Loosen the upper tension and retest.

Keep adjusting and testing until it is where you want it. Generally, tension is correct when both threads (upper & bobbin) meet in the middle of the fabric. FWIW, tension is static and should be tested and readjusted every time a new project is begun. The needle, thread, and fabric will affect the tension, so it is important to get comfortable adjusting the tension.

Also found the following reviews. Appears that some users have had tension issues with their CG550.

Amazon com Customer Reviews Singer CG 550 10 Stitch Commercial Grade...

..

Mar 17, 2016 | Singer CG550 Mechanical Sewing Machine

1 Answer

Cotton is loose/looping under material?


Sounds like bird nesting.
The #1 thing is to install a brand new needle (old, worn, nicked, or bent needles can create a lot of havoc).

Remove all the thread from the machine. RAISE the presser foot and rethread from the beginning verifying that it is threaded correctly. Make sure the bobbin is loaded and threaded in the bobbin case properly.

WHY IS THREAD BUNCHING UNDERNEATH MY FABRIC

Why Do Get Bunched Up Thread Under My Fabric

8 Tips to Fix Birdnesting in Embroidery
...

Jan 28, 2016 | Sewing Machines

1 Answer

The thread on the bottom bunches up all down at the bottom than bunches up


Usually problems like this are caused by improper bobbin winding and installation, incorrect tension, the wrong needle for project, or simply not grasping the threads and gently pulling them backwards when you start a seam.

1. Make sure you are threading the machine correctly.
2. Check your tension.
3. Check the bobbin, make sure it's wound properly and that you don't have the bobbin in upside down.
4. Check for bits of fluff and thread in the bobbin race area.
5. Change your needle, they wear out, get bent, dull... etc. You should have several different types on hand at all times.
6. Grasp both the threads gently and pull slightly backwards when you begin a seam. this will assure that your bobbin thread doesn't get all bunched up under the fabric.
7. Always test tension, needles etc., on a scrap piece of fabric before you begin sewing your project.

:o) Smile... sewing is fun... remember?

Mar 04, 2011 | Singer 3116 Simple

1 Answer

THREAD GET BUNCHED UP UNDERNEATH THE FABRIC, THE STICHES SEEM TO BE INCOMPLETE THE TOP LOOKS GOOD THAN I TURN IT OVER AND THE THEAD IS BUNCHED AND LONG LOOPS OF THREAD ARE LEFT. THANKS LOU


Hi Lou! This sounds like a tension problem--the tension on the top thread is too loose. Try using different color threads on the top and bobbin, then carefully rethread everything. Stitch a couple of inches and check the underside. If the top stitches look fine and the bottom ones are loose and loopy, and with the pressure foot down, tighten the tension. Move the knob or dial (whichever you have) just a little bit. Sew a couple of inches more, and recheck. Continue to sew and recheck, gradually tightening the tension, until you see little if any bobbin thread on the top or top thread on the underside of the fabric.

Let me know if this helps, ok?


Robbie

Jan 27, 2010 | Singer Sewing Machines

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my wife's hd110 singer machine is not keeping tension. what can I do/ look at to try and help this

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1 Answer

Excess bobbin thread under the fabric


I know you hate to hear this but you are probably threading it incorrectly. Make sure that the presser foot is in the up position when you thread the machine. This ensures that the tension discs are open and the thread makes it in between the disc.

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