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When I sew, I get huge loops of thread on the underside of my fabric.

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  • 46 Answers

Large loose loops are a sure sign that it is not receiving any top tension. Re thread and be very deliberate going through the top tension mach. Check your book for the thread path if you have it.

Posted on Jul 28, 2009

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Posted on Jan 02, 2017

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SOURCE: I think the bobbin tension is off - I have large

It sounds crazy but if you have loops on the underside of your fabric it means your upper thread is not properly threaded (and vice versa for loops on the top of your fabric). So re-thread your top thread, change to a new needle if you've been sewing with it for a months and you should be good to go. Let me know if you need any more help.

Posted on Aug 24, 2010

Testimonial: "thanks for the suggestion. My sister-in-law suggested trying a new bobbin and rethreading - which together worked."

  • 30 Answers

SOURCE: Pfaff machine -sews with thread

This is usualy a thread tension problem. Adjust the upper thread tension first. If tightening the upper thread tension doesn't work, then adjust the bobbin holder (lower thread tension) check with the user manual for your specific machine for the correct procedure.

Posted on May 18, 2011

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1 Answer

Pfaff Creative 2 loops on underside of fabric


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...

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...

https://lindeegembroidery.com/common-causes-of-birdnests

...

Nov 12, 2016 | PfaFF Sewing Machines

1 Answer

When I sew, the stitching is loose with large loops on the underside of the fabric making the bobbin thread slide out easily. How do I fix that?


Lift the pressue foot off the fabric. Hold the thread spool with one hand and lightly pull the thread hanging out the back of the needle. This should seat the tread into your top tension discs properly. Now try sewing again. If it still throws loops, you either do not have your machine threaded correctly or your tension on top is set to zero.

Sep 01, 2014 | Bernina Sewing Machines

1 Answer

Machine starts to sew then upper thread knots up on underside of fabric


Do each of these steps one at a time and then test a seam on scrap fabric of the same type.

1. Make sure you thread the machine correctly with the feed dog lever in the up position. (this opens the tension discs, allowing the thread to seat correctly)

2. Make sure your needle and thread are the correct size for the fabric and that you've oriented the needle correctly and have it fully seated into the needle bar.

3. When beginning to sew a seam, always grasp both threads and hold them as you begin to sew.

4. Loops on the bottom of the fabric means that the upper tension is too loose. Tighten the upper tension a little at a time until loops disappear.

Good luck.

Sep 22, 2012 | Brother XL-2610

1 Answer

Back thread loose and loopy - tension


If you have the instruction manual, you might read the chapter which describes the proper adjustment for threads and fabrics.
If you do not have one, try to find it on eBay. It is the huge source of everything.

Feb 20, 2012 | Juki MO-644D Mechanical Sewing Machine

1 Answer

I think the bobbin tension is off - I have large thread loops on the underside of the fabric when I sew


It sounds crazy but if you have loops on the underside of your fabric it means your upper thread is not properly threaded (and vice versa for loops on the top of your fabric). So re-thread your top thread, change to a new needle if you've been sewing with it for a months and you should be good to go. Let me know if you need any more help.

Aug 23, 2010 | Singer Sewing Machines

1 Answer

Needle thread tension- huge loops


Put the tension settings back to the mfg's suggested setting.

Re-thread the machine with the presser foot up and there will be no more loops.

Mar 03, 2010 | Elna Sewing Machines

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

5932 knotting every other inch


Try oiling the hook if you haven't recently.
Check you needle plate and hook for damage, they may need to be buffed or sanded smooth.
Check your upper tension discs for lint and double check your upper thread path (proper threading).
There are other things like hook timing, needle clearance or broken check spring that may be wrong but you need a technician for those things.
best of luck!

Jan 28, 2009 | Singer 5050 Mechanical Sewing Machine

1 Answer

Bernina 1008 sewing machine making huge clumps of loops on underside of fabric. have tried moving screw on bobbin in two opposite directions without a sign of improvement.


Hi: You have threaded the machine incorrectly. Rethread the machine with the presser foot up to the needle, pull the thread (loose) and drop the presser foot while pulling thread, thread should get tighter, then thread needle and machine will work fine. Make sure the top tension is set at where you normally have it, probably about #4 or #5

Jan 08, 2009 | Bernina 1008

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