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How to adjust bobbin tension on Sophia

I have adjusted the knob from 3 to 9 and the thread still or loose under the fabric

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  • Husqvarna Expert
  • 371 Answers

Check for lint and loose threads in both tension disks and bobbin case.

Posted on Oct 16, 2014

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: sudden knotting under fabric

I have an Elna 2005 machine and had a similar but opposite problem whereby the tension up top was too tight - thread wouldn't pull smoothly. I found adjusting the feed dog lever slightly helped the stitches a lot, even though the needle tension up top is no better. Hope that helps! :-s

Posted on Oct 29, 2007

  • 97 Answers

SOURCE: thread or bobbin tension

Thread tension. Beware of adjusting the bobbin screw. Pfaffs maintain their tensions just fine without adjusting the bobbin tension, unless you're using some crazy thick or fine thread. If you must change your bobbin tension, you would be well-advised to buy an extra bobbin case, because re-calibrating your tensions after changing them can be less than fun.

Increase your top tension, and your looping should cease. I normally keep my tension around 4.5. Also make sure you're using a good quality thread, and that there's nothing in the upper tension assemblies. Sometimes a tiny piece of debris can keep the top tension from applying enough tension, so turning the machine off and blowing some canned air in there can help as well.

Good luck,

-R

Posted on Mar 11, 2009

  • 25 Answers

SOURCE: thread caught in hook race

There should be a small screw on the side of your bobbin case adjust it little by little until you get the correct tension.

Posted on Jun 15, 2009

  • 20 Answers

SOURCE: bottom thread too loose; tried

Check for correct bottom thread tension.
It's provided by a flat spring on the bobbin holder.
When the bobbin is correctly installed, pulling on the thread
should meet with slight resistance, and the bobbin should spin without
trying to jump out of the bobbin holder.

Posted on Dec 18, 2010

bargainbox
  • 1388 Answers

SOURCE: Thread loops noted on underside of sewn fabric.

Try the 5 page tutorial....HERE

Posted on Jan 02, 2012

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The tension on my machine is off.I don't know which thread to adjust.bobbin or top thread. on fabric top stitch seems ok,bottom stitch bunches up and is loose.How do I readjust the tensions?


If the thread problem appears under the fabric, it is a top thread issue.

If the thread problem appears on the top of the fabric, the bobbin thread is the issue.

Perhaps the upper thread is not seated completely in the tension disk. Remove the upper thread from the machine, ALWAYS RAISE the presser foot, then rethread from the beginning. Make sure the thread path is correct. Test your stitch.

If the thread is still looping under the fabric, the upper tension is too loose. Set the upper tension to the midway point. Test and adjust the tension until it is where you want it. Preferred tension is when both threads meet in the middle of the fabric.

sewing machine tension Google Search


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Oct 29, 2016 | Sewing Machines

1 Answer

Straight stitch. Top is fine loose on bottomadjusting top tension does not help how to adjust bottom tension?


Usually, if there are loose threads under the fabric, it is the top thread that is too loose. Check your sewing sample closely--you can even test with two different color threads to help distinguish which thread is which. Loose top thread will generally be pulled DOWN and show under the fabric. Loose bobbin thread will be pulled UP and show on the top of the fabric. The ideal tension is when both threads MEET in the middle of the fabric.

First, remove the thread from the machine. Install a brand new needle. Always Raise the Presser Foot and thread the upper thread, making certain the thread path is correct.

Check that the bobbin thread is threaded correctly and turning the proper direction in the bobbin case.

Set the upper tension to the midway point and sew a retest. A tweaking of upper tension may be necessary to get it where it should be. Generally, upper tension should make the majority of adjustments needed for tension correction. Bobbin tension is one of the last tension adjustments to make as it is very sensitive and can go awry very quickly.

If, in fact, the bobbin tension is off, the tension skrew on the bobbin case is where the adjustment is made. Before making any bobbin tension adjustments, mark where the skrew slot is located on the bobbin case with a permanent marker. This will allow you to reverse your changes if necessary. Be CAREFUL as TINY changes make HUGE differences in tension. Make only 1/8th turn adjustment, then retest before making another adjustment.

Remember that tension testing and readjustment are a necessity when sewing. The same tension that will work with light weight thread and fine fabric will most likely not work when using heavy thread on drapery fabric. Get comfortable with making tension adjustments to get the ideal tension for each project.

Understanding Thread Tension Threads

Oh You Crafty Gal Sewing Lesson 10 How to Fix Tension on Your Sewing...

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=14&ved=0ahUKEwilg-3t2vHMAhVJDlIKHXnsBWYQFgheMA0&url=http%3A%2F%2Fwww.ca.uky.edu%2FHES%2Ffcs%2FFACTSHTS%2FCT-MMB-213.pdf&usg=AFQjCNE4QlGk1Fvt8K2UGCRCfzMpGS-A2Q&cad=rja

How to Adjust the Tension on Sewing Machine

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May 24, 2016 | Sewing Machines

1 Answer

Is it possible to change the foot pressure.is it also possible


Some machines do have a presser foot pressure adjustment. Since you didn't provide a make/model, we're not able to assist further. You'll have to consult your owner's manual.

The upper tension is usually totally adjustable. As a matter of fact, the upper tension is the first place to adjust tension. Just be sure to RAISE the presser foot when threading the upper thread so it will seat in the tension disk. If the upper thread is showing under the fabric, it is too loose. If the bobbin thread is pulling to the top of the fabric, the upper tension is too tight. Tension will change with needle, thread, and fabric, so before beginning a new project, always test on a scrap piece of the fabric first. The tension is correct when the upper thread and bobbin thread meet in the middle of the fabric.

As a sewist, you should become comfortable with adjusting the upper tension as needed.

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Apr 01, 2016 | Sewing Machines

2 Answers

Why is the bobbin thread bunching up?


if your saying that your bobbin thread is balling up under the platen plate , this is a sure sign that your top thread tension is not correct and there isn't enough tension to pull the bobbin thread up from below

Mar 24, 2016 | Sewing Machines

2 Answers

How do you set the bottom tension and/or where is the thread clamp


Be very careful adjusting the tension on the bobbin case. Generally, most tension issues are regulated using the upper tension adjustment unless the bobbin case is broken or someone has attempted to adjust it incorrectly. In any event, adjustments to the bobbin case should be made ONLY 1/8 of a turn at a time--then do a test stitch. Before making any changes, mark with a permanent marker where the screwdriver slot meets the bobbin case in the event you have to return it to the original position.

If the top thread is looping or knotting under the fabric (bird nesting), the upper thread is too loose or it is threaded incorrectly.

If the top thread is pulling the bobbin thread to the top of the fabric, the upper tension is too tight.

Tension is ideal when both threads meeting in the middle of the fabric.

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Dec 11, 2015 | Sewing Machines

2 Answers

Top thread too tight. Bobbin thread too loose. Bobbin thread bunches up underneath material. The feeder teeth can not feed material through


first thing first - thread inside bobbin should be tightly wound in. Insert bobbin into bobbin case and thread through slot and under the spring. Spring has small screw which regulates the tension. Hold the thread like yo-yo and jerk a little down-up. It should drop just a little (not run down) - that is usually required bottom thread tension,
if not, regulate with the screw. Set top thread tension 3 and sew. If still looping under, increase the top tension higher till the looping disappears. .

Nov 03, 2015 | Sewing Machines

1 Answer

How do I adjust tension on a Necchi Lydia 510 sewing machine?


loops under fabric means top tension needs to be tightened
try cleaning the top tension dial with some unwaxed dental floss and see if that helps. if it doesn't then the tension dial may need to be replaced
also check to make sure the spool of thread is not getting caught on the spool holder
also try a new needle--one that is correct for the fabric being sewed

Feb 10, 2015 | Necchi Sewing Machines

3 Answers

Loose bobbin tension


the bobbin tension is set by that small spring plate that you pull the thread under after you put the bobbin back in the carrier / holder
a very small turn of that screw makes a big difference ob the tension unlike the needle thread tension
mostly the problem ( you never bothered to mention the symptom ) is bird nesting under the fabric which is the needle thread tension not tight enough

Jul 06, 2017 | Brother SE-270D Computerized Sewing...

2 Answers

My Bernina Bernette 65 has a problem with the thread bunching up every 10-15 stiches on the bottom. Some of the thread stitches on the bottom of the fabric are in a straight line, and then the thread will...


try a new needle--one that is for the fabric being sewed
then try to adjust the top thread tension again, if the stitches remain loose and the tension won't adjust then the tension knob needs to be checked to see if there is something wrong with it.
also check to make sure the bobbin is inserted correctly into the bobbin case, if the bobbin is not turned the right way in the bobbin case the sewing machine will not stitch correctly.

Aug 05, 2013 | Bernina BERNETTE 65 Mechanical Sewing...

1 Answer

Top thread bunching under fabric when sewing


tension could be too loose. start with bobbin tension- should allow thread to pass with SLIGHT resistance. then adjust top tension at about 2-3 to start.

Jun 01, 2010 | Singer 8280 Mechanical Sewing Machine

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