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Thread gets frayed and breaks

We had it into the shop, they said the part that hooks the thread had a burr. at first it was fine but now its doing it again.

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  • Sewing Machines Master
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Can that part that is causing the problem be replaced?

Posted on May 13, 2017

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My machine keeps on breaking the thread


You don't state which thread is breaking, so will assume it is the top thread.

AVOID using old or bargain bin thread!

Remove the thread.
Install a brand new needle.
ALWAYS RAISE the presser foot and rethread from the beginning.
Verify the thread path is correct.
Set the top tension to the midway point (this may need to be tweaked for your individual machine).

If it still breaks, then the thread may be catching somewhere, perhaps on the needle plate or in the bobbin area. When a needle deflects, it will sometimes strike somewhere and cause a burr or rough spot. That rough spot will then catch the thread and cause it to break or shred.

Wrap your index finger with a fine piece of scrap fabric like chiffon, nylon knit, or silk. Then run your finger around the surface (top & bottom) of the needle plate and in the bobbin area. If the fabric catches, there is a burr. Also check the hook/shuttle as this where a lot of burrs are located. If it is a small burr, it can be smoothed with a fine emery board or emery cloth. It the burr is large, the part may need to be replaced.

Sewing Machine Problem 1 Thread Breakage

Sewing Machine Thread Keeps Breaking

http://www.servicethread.com/blog/stop-industrial-sewing-thread-breaks

Apr 15, 2017 | Sewing Machines

1 Answer

Juki Lu-562 breaking, fraying thread. The tread will fray and eventually break a lot. Is there anything else besides a different size needle or burrs on the foot plate for foot feed?


Be sure that you are using only fresh, good quality thread. Old or bargain bin thread will fray easily. Does the thread have little hairs (fibers) sticking out? If so, get rid of it. Try a different type of thread, ie polyester thread. (FWIW, Coats & Clark used by a stand-by, but it is a lesser-quality thread these days.) Be sure to use the same thread in the bobbin--polyester thread will tend to cut cotton. Try flipping the thread spool over so it feeds off in the opposite direction. Make sure the machine's bobbin area is clean of any lint or debris. The tension may be too tight. The thread may be mis-threaded or the thread is restricted somewhere, ie wrapped around a thread guide or the spool pin. Be sure the thread is running through the thread guide immediately above the needle. Remove the thread and rethread from the beginning. You might try a different type of needle, ie top-stitch needle. Top-stitch needles have a larger scarf that will protect the thread as it pierces the fabric multiple times before forming a stitch. A Top-stitch or Metafil needle has a larger eye to accommodate bigger thread. Are you sewing unusually coarse fabric? It is abrasive and could be causing the excessive fraying.

If the fraying continues, there may still be a burr somewhere.

Fraying Breaking Madeira

What Causes My Thread to Shred

All About Needles

Mar 13, 2017 | Juki Sewing Machines

1 Answer

How do I stop top thread from breaking


Breaking thread usually results from mis-threading or tension too tight. Install a brand new needle. Try a different brand of thread (AVOID old or bargain bin threads!). Set the tension at the midway point between high & low number.

Does it sew fine for a couple of inches and then pop? Watch the thread, does it get tight between the spool and needle before it breaks? If so, the thread is hanging up somewhere--is there a nick or slot on the thread spool itself that is catching the thread?

Remove the thread completely and re-thread from the beginning. When threading, ALWAYS RAISE the presser foot so the thread will seat in the tension disk. Verify that the thread path is correct and that nothing has been threaded out or order or missed. Check that the thread is not snagging on a burr or nick.

Confirm that the correct needle is being used for the thread and fabric, ie the thread is too thick for the needle's eye. Usually, the symptom is shredded or frayed thread at the needle eye.
All About Needles

There could also be a burr snagging the thread at the needle plate or around the bobbin area. Wrap a finger with fine fabric (old hosier, chiffon, silk) and run your finger around the needle plate and bobbin area. If it snags, you know where to look. If it's a small burr, it can be smoothed (gently!) with a fine emery board or sand paper. If it is a large burr, it should be taken to a technician or a replacement part installed.

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Dec 11, 2016 | Sewing Machines

1 Answer

Kenmore mini ultra The top thread breaks off from needle after a few stitches. The bobbin seems to Be catching the top thread. Thank you. ??


If the top thread sews a few inches and then breaks, something is catching the top thread and holding it until it breaks. Usually, this will happen when using the old style thread cones with the slit in the edge to keep the thread from raveling off the spool. To prevent the thread from hanging up, turn the thread spool over so the slit is at the top instead of the bottom. Sometimes top thread breaks will happen if the thread becomes looped around the thread spool pin.

Remove the thread, ALWAYS RAISE the presser foot and then rethread the upper thread. Verify that the thread path is correct and that the thread has not looped around a guide.

If the thread is fraying at the needle eye, the needle/thread are not compatible. Also, the tension may be too high.

Check that the upper tension disk is clean--no gunk buildup or thread pieces stuck.

If the thread is actually breaking when it penetrates the needle plate hole, there may be a burr or nick somewhere below that is catching the upper thread. You can wrap your finger with a piece of fine fabric, like an old pair of hosier, fine knit fabric, etc. and running your finger around in the bobbin area, under the needle plate. If you get snags, then you have a burr or nick. If it is small, you can sometimes smooth it with a fine emery board. If it is a large burr, you may need to purchase a replacement part.


Why Does My Top Thread Keep Breaking Sewing Machine

Sewing Machine Problem 1 Thread Breakage

Sewing Machine Thread Keeps Breaking

...

Sep 05, 2016 | Kenmore Sewing Machines

1 Answer

Thread break and fray


If the thread is fraying and then breaking, it usually has something to do with the the type of thread or fabric, the needle, the needleplate, or the hook.

Install a brand new needle. Check that the needle is compatible with the thread and fabric--also that the needle eye is not too small for the thread. If the fabric is somewhat abrasive or tightly woven, it could be causing the thread to fray. Try a needle with a larger groove that will protect the thread. It may involve some experimentation to find the right equation. Use only good quality thread--No old or bargain bin thread! Changing type of thread will sometimes solve the issue.

All About Needles

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0ahUKEwjgqZ3IrqDNAhURS2MKHRbRCiQQFggnMAE&url=http%3A%2F%2Fwww.schmetzneedles.com%2Flearning%2Fpdf%2Fschmetz-needle-chart.pdf&usg=AFQjCNHTR52AmqwzvyCjbXmD5Ch52Va5_Q

Check around and under the needleplate and the hook area for any burrs, nicks, or sharp bits that may be catching the thread.

ALWAYS RAISE the presser foot when threading. Rethread from the beginning--check that the thread path is correct.

Check that the thread tension is not too tight.

...


Jun 11, 2016 | Sewing Machines

1 Answer

Machine. Skips stitches and the thread breaks in the top tension.


First, install a brand new needle. Confirm that you are using the correct needle for the thread and fabric being stitched, ie the needle eye could be too small for the thread, the fabric is coarse or sticky causing the thread to wear/fray causing breakage, the needle is blunt or bent, a ball point needle is being used on woven fabric or vice versa...
All About Needles

Second, remove the thread from the machine. Always RAISE the presser foot and rethread from the beginning--make sure the correct thread pathway is followed (consult the manual).

Verify that the tension is not set too tight. The tension is correct when both upper and bobbin threads meet in the middle of the fabric without any puckering of the fabric.

Use good quality thread--avoid old or bargain bin variety. And, use the same thread for the upper and bobbin. Some thread brands may work better than others in your machine. You may need to experiment to find ones that work best.

What to Do If Your Sewing Machine Is Skipping Stitches

Basic Maintenance Tension Skipped Stitches

10 reasons for skipped stitches

There is also the possibility that there is a nick or burr somewhere that is catching the thread. You can wrap your index finger with old hosiery (or similar fine fabric) and rub around the thread path, in the bobbin/hook area, needle plate, etc. A small burr can be smoothed with a fine emery board. A big burr may require replacement of the part or service by a technician.


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Apr 23, 2016 | Sewing Machines

1 Answer

Thread Breaks


tilt machine on bed and run you finger around the hook checking for burrs. use emeory paper to remove any burrs. rub around the hook not across!! your thread could be cheap and not bonded, it may be splitting when the hook grabs it. also loosen the tension on the bobbin case so u will not need so much tension on top. is your take up spring in the right position with just a little tension?

Apr 27, 2013 | Juki DDL-8700

1 Answer

Why does my needle thread break


too much tension on top or a burr on needle. Whenever thread breaks its usually the needle is bad. also check hook with finger for burrs caused by the needle. burrs will cut the thread right away. use emery paper and rub in direction of hook till smooth.

Feb 05, 2013 | Juki Sewing Machines

1 Answer

Thread breakage on Juki TL-2000Qi


There are a few reasons the top thread may break.
- Check the needle plate for damage around the needle hole. Polish any burrs with fine sand paper or a needle file.
Check the hook for damage. If the hook is damaged it can cause the thread to break as it comes off the tip. Be very careful if you must remove burrs from the hook. Changing the shape of the hook tip will cause skipping problems.
Check that the top tension is not too high. The top tension should be set at a medium number
Burrs on the needle plate
Burrs on the hook assembly
Bobbin tension is too tight


Jan 16, 2012 | Sewing Machines

2 Answers

Top thread keeps breaking


I don't know for sure, but I have found that a dull needle will cause the thread to break. We have fixed many machines just by changing the needle. Try it, it may fix the problem.

Apr 08, 2007 | Baby Lock Ellure

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