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My bottom thread is bunching/snagging and getting stuck not allowing the material to continue feeding through the machine. I am quilting so it is a thicker stack of fabric that I am attempting to pass through.

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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bargainbox
  • 1388 Answers

SOURCE: Thread bunches on bottom of fabric

Ensure that all is clean and free of lint and jams, this is the most likely cause....now for tension troubleshooting .......

This solution is for tension problems...if you cannot form any sort of stitch, the issue is quite different, so please let me know if you need a different problem solved.....

It is quite long, but just work through each section in order.
The "knotting up" can reveal a lot. If you have loose threads on one side or the other, the tension on the opposite side will be the culprit.

QUICK SUMMARY FIRST:
Ensure sharp new needle,
Thread guides and Bobbin are Clean & Clear of lint
Set Top Tesion to 4 ....then....
Balance Bobbin to suit.

TOP THREAD TENSION:
If the looping threads are on the underside as you sew, it is the top tension. Top tension ought to be between 4 & 6 (this variation to allow for the different weights of fabric in your
projects).

IS YOUR NEEDLE SHARP ?
If you are using a needle that has seen quite a deal of work, or you suspect it may be blunt, change it for a new one !

TOP TENSION & GUIDES:
Make sure that when you thread the machine the presser foot is up so the thread goes between the discs and not to one side, top tension between 4 and 6, and that you have threaded through all the guides, including the last one, usually on the needle arm, just above the needle clamp.

It may be there is lint trapped between the discs, this will keep them slightly apart and reduce the actual tension, sometimes dramatically.

If tensions appear correct, and the thread is definitely in the channel between the discs, but still too loose and looping, try raising presser foot and remove your thread.

Now, with a 2" (50mm) wide strip piece of fabric 8 - 10" (20 - 25cm) moistened with methylated or denatured spirit, gently insert the fabric strip and clean between the discs with
a see saw / to and fro action.

In the worst cases, gentle use of a needle to pick & remove the jam may be necessary, but be very gentle and make sure the tension is set at Zero and the presser foot is raised, (to
disengage tension plates).... do not gouge or score the plates, they need a polished surface to work correctly.

BOBBIN TENSION:
Far less common, but if the loose threads are on the top, it is bobbin tension that is loose, it too may have lint in the spring and be giving a "false" tension.

I would not recommend fiddling with bobbin tension without good reason, it may end up with missing small screws and spring pieces, however, you can take the needle plate off to clean
the hook race area (where bobbin case sits)

...this is just good housekeeping, my wife does this every time she replaces the bobbin....

just take it out and clean the bobbin case and the fixed metal hook race with a small brush to remove lint. If there is a significant amount of lint, use a vacuum and small brush to get the worst.

Then wipe all this area with a cloth or cotton bud (Q tip) moistened (not soaked) with methylated spirit, especially if there appears to be fine dirty deposits....oil and lint combine to conspire against you.

If it seems likely that you ......really ....do .....actually .....need .....to adjust the bobbin case, first check there is no lint trapped in the metal spring where the thread is tensioned.

TOP LOADER:
Drop-in Bobbin case will look similar to this image with the tension screw in the middle of the metalwork....

4c76dc1.jpg ...the other screw at one end is holding it all together, so beware....it is not a tragedy to undo the whole lot and clean it, but very gingerly and lay the bits out in sequence and orientation, or you risk tearing your hair out !

FINISHING UP
GETTING THE BALANCE RIGHT:
When you are certain there's no trapped lint in top tension or bobbin, set the top tension to 4 and the bobbin tension to a point where you just begin to feel resistance.

Try using good quality thread of contrasting colours so you can more easily spot the changes.

Set your zigzag to one width less than maximum (eg. 5 of 6 ...or... 4 of 5 etc) and sew a sample for a few inches and check the result.... adjust the bobbin tension screw very little at
a time, perhaps 1/16 of a turn.

You may find you are playing with this balance for some little while and if you are putting the needleplate on and off each time begin to think it cannot be correct to do this.....BUT....it is,
and eventually, you do get a "feel" for the correct tension and then it happens quite quickly.....as a user you won't be doing it very often unless there is lint built up (or are there small hands at work around the house !?!?!)

OTHER ISSUES:
If you live near the ocean as we do, salt air can play havoc with metalwork inside and out, so to help minimise this, keep a few small packets of dessicant (silica gel) in your machine
case....no case ? then make some sort of cover !

Same applies in any damp or humid environment, keep your machine dry and dust free.

Budget for a proper full service every couple of years (more often if heavily used) and if you don't use your machine for a few years, be aware that old oil will dry out and combining with
dust and form a "clag" like glue (another reason for some sort of cover, even a teatowel !)

FINALLY, A WORD ON THREAD:
If it is worth spending the time, energy and money on making something that you would like to give lasting enjoyment......use quality thread, .......it may seem to cost a little more at the
time, but the results, ease of use and added longevity will be worth the extra, and as a bonus, your tension troubles may be fewer and further between, because there is a more consistant diameter with good thread, and less compensating to be done by your tension plates and less thread breaks !

If you want any more help with this, just post back here, or, drop a line through the "Contact Us" page at

www.bargainbox.com.au

Posted on May 10, 2008

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  • 1 Answer

SOURCE: Bicor vx1005 ...thread keeps bunching

i need needle threder lever

Posted on Aug 10, 2008

SewExpress
  • 41 Answers

SOURCE: bobbin thread/feed dog eating fabric

This is a very common problem with really lightweight fabric and can often be cured (if doing straight stitching) by using a straight stitch needle plate and foot. The wider needle plate and foot openings on newer machines give the machine/thread a wider area to pull the fabric into the machine. By using a straight stitch plate/foot you remove the wide opening, eliminating the majority of the problem.

Also - try using a specially coated needle (Teflon or other non-stick finish). The thread feeds more smoothly through the needle and the needle more smoothly through the fabric, causing less drag into the needle plate opening.

Hope this helps. Don't hesitate to respond to this if you have further specific questions. We're always happy to help

Happy stitching,
Kim & Linnette
www.sewingexpressions.com

Posted on Dec 03, 2008

RickE1
  • 202 Answers

SOURCE: Thread is bunching underneath fabric

Needle in correct? Be sure your bobbin is not in upside down and turning the wrong way. Possibly the hook that the bobbicase fits in/on has been hit by a needle and caused a burr that is catching the thread as it comes around. The burr would have to be polished off or hook replaced. The machine could be slightly out of time also.

Posted on Feb 11, 2009

  • 26 Answers

SOURCE: Thread bunching up on bottom of fabric

with all the stuff you say I think that you should try what I do clean it with canned air. Then change the needle you may have a burred or bent needle. and when you clean the machine make sure to use a qtip with oil on it and swab the bobbin holder it may have broken needle piece stuck in it. if after that is done it still not working then adjust the tension taking care to note the positions first.make sure you change only one at a time and put it aback if it doesn't fix the problem and try another position. you may need to try the specialneedle for the fabric (stretchy or jean type)

Posted on Mar 08, 2009

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Singer model no 9022 feeder feet does not move material thread bunges under material


Check that the stitch length is set high enough that the feed dogs will actually advance the fabric. Setting the stitch length too low will cause the machine to basically sew in place.

Also, check that the feed dogs have not been "dropped" to allow darning or free motion quilting. Dropping the feed dogs lowers them so they will not rise above the needleplate and will not grip nor move the fabric.

If your machine is mechanical (not computerized), it may need a good cleaning and oiling. If the old oil has solidified, it could be preventing the feed dogs from moving like they should.

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On a baby lock 6300, it's threaded correctly but when running, the track (feed system)under the foot won't pull the material through. What can I check? There are no repair shops anywhere in my area.


1. It most likely is the foot pressure not set properly. With thick material it needs to be less and with thin material it is opposite. Just test a piece of like fabric that is rags.
2. Make sure that you clean out any thread under the plate as good as you can.
3. Check your tensions. The top should be around four. The bobbin tension has to be even with the top tension. (like tug of war) However, when you thread the top do it with the foot up to check for snags. Snags are a serious problem and cause the material from moving. Good Luck.

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Why won't my singer simple feed the material and the thread jams up on top?


For feeding the material, check that the feed dogs are in the "up" position and not set for darning or free motion quilting.

For the thread jam:
Clean the bobbin area of any lint, threads, or debris.
Be sure to clean the feed dogs and under the needleplate.
Install a brand new needle.
Remove the thread from the machine.
ALWAYS RAISE the presser foot when threading.
Rethread the machine from the beginning.
Verify the thread path is correct.
Set the upper tension to the midway point
Retest the machine.

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Jun 09, 2016 | Singer Sewing Machines

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Why do stitches bunch when using walking foot on 3 layers of quilting fabric?


make sure that the thread tensions are correct for the thickness of material
remember that only the bottom foot walks and draws the material through so it may need a help and be pulled as it sews.
I find that women in sewing shops just love to talk about problems and how they can help so find a shop and discuss any problems with them

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1 Answer

Trying to quilt on my Hinterberg. First the thread kept breaking. Made some tension adjustments, now I am skipping stitches


possible problems
1) too thick for the feed dog to move the fabric forward need; lighter tension
2) are the upper and lower threads the same kind of thread?
3) is the thread feeding properly from above? sometimes the spool can snag the thread causing the tension to jump and skip stitches

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1 Answer

Thread bunchingup on bottom of material on singer


Hello,
Here are some solutions to try.

* Re-thread your machine
It may be threaded incorrectly.

* Raise your feed dogs If your machine has this feature.

* When you start to sew a seam, hold the upper and bobbin thread tails back and out of the way as you sew your first couple of stitches. This will keep them from getting caught in your machine.

I hope this helps.

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Just bought a brand new Pfaff Quilt Expression 4.0 and the top thread keeps getting shredded and breaking while doing free motion quilting. I've checked threading diagrams, changed to four different...


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1 Answer

Thread getting stuck in the bottom.


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