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I have a Bernina Artista 180, new needle, great thread quality, new bobbin perfectly winded but the stitches are stille messing up. upper tension is on 4, normally this would work perfectly but now I see the upper thread pulled under the fabric by the bobbin thread. I already tightened thread tension without result. I changed bobbin tension without result. the machine is supposed to control tension automaticallly. I am sewing on basic cotton to test, but still bad results. the machine has been serviced a month ago, nothing is trapped in the bobbin case as far as I can see, but it makes more noise than normal, also the fabric is aspired into the bobbin case when fast stitching; oil is ok. I am desperate!!! thanks for any advise!

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2 Answers

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  • Expert
  • 241 Answers

I like your detailed description it really helps. A simple check of the upper tension is to install a size 80 needle and with the presser foot down pull the thread diagonally backwards and to the right. The needle should flex about an 1/8 to 1/4 inch. This will confirm your upper tension is ok. On the lower tension a resaonable starting place is done with a scale at 21 grams. In place of this use a wooden clothes pin with 3 pennies super glued to it as a weight.
It may not be a tension problem as you can see in the video clip.

Posted on Oct 13, 2013

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  • Sewing Machines Master
  • 7,365 Answers

Is the needle inserted correctly?
is the needle in backwards?
is it the right needle for the fabric being sewed?
has the top thread come off the thread take up lever?
is the bobbin turned the right way in the bobbin holder?
if none of these suggestion help, then I suggest taking the machine to a different repair person ...

Posted on Oct 13, 2013

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Posted on Jan 02, 2017

bargainbox
  • 1388 Answers

SOURCE: bobbin tension

If the looping is happening on the underside, it is your top tension that is to blame, conversely looping on top is bobbin tension.........take a look HERE for detail on cleaning lint buildup.

Top tension should be set around the middle of the range, usually 4 - 6.

I would not advise playing with bobbin tensions, however, you can take the needle plate off to clean the hook race area (where bobbin case sits) ...this is 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 appears to be fine dirty deposits, a cloth or cotton bud (Q tip) moistened (not soaked) with methylated spirit will do the trick.

Bargainbox

Posted on Jan 27, 2008

SewTechWayne
  • 186 Answers

SOURCE: 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!

Posted on Jan 31, 2009

  • 1 Answer

SOURCE: janome straight stitch loose

I don't know if this is the right answer for any of you, but thought I'd put my 2 cents worth in. Often this can be the bobbin in backwards. It needs to unwind a certain way depending on the machine. I've heard a phrase for this: Mind your p's and q's which means some wind off to the right like a q, others to the left like a p. Mine has to unwind one way then be slipped backwards into a little slot or it does that loose bottom thread looping and bunching someone here mentioned. It seems everytime I get that problem I rethread the top thread 100 times before it clicks again and I remember it could be the bobbin thread. Either your manual will tell you the correct way, or you could experiment and try one or the other. Once you figure out whether you're a p or a q, mark it on your machien somewhere to remind yourself.

Good Luck and Happy Sewing!

Posted on Apr 04, 2009

  • 1 Answer

SOURCE: Juki DDL-8700--top & bobbin thread won't hold together for stitch

What bobbins do I use on a Juki DDL-8300

Posted on Mar 11, 2011

bugoy31
  • 1238 Answers

SOURCE: Stitch tension problem - bobbin

Good day!

please try this simple tips:

Good day!

A sewing machine operator can often help themselves when their machine does not operate properly.
Here are some simple instructions, which if properly used can save time and mechanics service calls.
TROUBLE;UPPER THREAD KEEPS BREAKING;
This could be trouble;================Do this;
1.Top tension to tight================loosen tension 1 turn
2.Machine improperly threaded=========check threading
3.Thread twisted on guide post========"
4.Thread twisted out of tension======="
5.Take up spring bent or broken=======Check action of spring
6.Thread jumped off pull off finger===Check threading
7.Needle bent or burred===============new needle
8.Bad cone of thread==================try another cone
TROUBLE;LOWER THREAD KEEPS BREAKING;
1.Bobbin tensionspring to tight=======Loosen tension slightly
2.Bobbin threaded wrong===============check threading
3.Bobbin wound to tight or uneven=====try new bobbin
4.lint or thread on bobbin case=======clean inside case
5.Lint or thread inside hook==========clean inside hook
6.Bobbin case nicked bent or burred===check/change case
TROUBLE;MACHINE STARTED SKIPPING STITCHES;
1.Needle bent or burred===============change
2.Needle set in crooked===============Check
3.Thread jumped off take up spring====check threading
4.Thread jumped off pull off finger===check threading
TROUBLE STITCHES SHOWING LOOPS;
1.Forming loops on top of cloth=======Tighten bobbin tension
======================================or loosen top tension.
2.forming loops on bottom of cloth====Tighten top tension
3.Bobbin placed in case incorrectly===remove and replace
4.Bobbin thread slipped from under====check threading of
tension===============================bobbin case
5.Lint or thread in top tension=======clean between tension discs


Thank you and good luck.

Posted on Jun 17, 2011

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1 Answer

I have Bernia 180. The bottom thread is puckering. Top thread is perfect. I cannot find help in manual. Please help


Check that the bobbin is inserted turning the proper direction in the bobbin case and that the thread is threaded correctly through the tension control on the bobbin case.

Make sure the upper thread is threaded correctly. The factory standard upper tension setting is midway between high & lower number although this may need to be tweaked for your particular machine.

If the machine is still pulling the bobbin thread too tight, you can try tightening the upper thread tension. If it still isn't resolved, you may need to loosen the bobbin tension.

You might also want to check the presser foot pressure on your machine. That generally needs adjustment when changing from thicker to thinner fabric and vice versa.

Manual: BERNINA artista 180 Support BERNINA

Bobbin Tension How and Why Tension is Adjusted

Understanding Bobbin Tension

Understanding Thread Tension Threads

How can properly adjust my tension

Sewing Lesson 10 How to Fix Tension on Your Sewing Machine

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1 Answer

Bernina artista 180 is stitching totally Irelevant stitches to the button touched. is it a motherboard problem?


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2 Answers

Bernina artista 180 bottom stitch bunching


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pull on the thread and you should have a reasonable resistance to pulling the thread
adjust the tension until you get that then thread the needle
while you may be using the tension settings if there is a problem in the tension plates area , the tension will not get high enough regardless of the indicated setting
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May 25, 2017 | Sewing Machines

1 Answer

Singer 301 won't stitch properly, thread bunching up on underside


Likely that it is a lower tension issue
Bottom tension is controlled by the bobbin case. First, ensure that the thread is wound tight onto the bobbin (should not be spongy when you push your fingernail into into it) Looking at the open side of the bobbin case, insert the bobbin into the bobbin case (so the thread winds off in a clockwise direction) and feed under the 'tension finger'. If you now hold the end of the thread, suspending the bobbin and case from it, the assembly should not drag any more thread out of the bobbin case. If it does, the small screw on the tension finger needs to be tightened slightly. If the assembly does not drag out any more thread, give the thread a little upwards tug. The assembly should slide down a little.If it does not slide, the tension finger is too tight - loosen it a little.
Insert a NEW needle, make sure the top thread is correctly threaded and tension is set at the 'normal' setting (as per book) ..... .... try sewing a sample. Note: using 'cheap' thread will cause all sorts of tension issues as well as fluff up your machine fast - avoid it!
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Oct 12, 2013 | Bernina Artista 180

1 Answer

What causes the bottom stitch to look like it's catching the material when I sew?


try changing the needle--flat side to the back of the machine
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if you do not have a manual check with bernina customer service about one
or
sewing partsonline.com
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1 Answer

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1 Answer

Unbalanced lower tension when using BSR free motion quilting


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Apr 05, 2009 | Bernina Artista 180

1 Answer

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check the tension spring in teh bobbin case
replace teh bobbin case
check for fluff or dirt between teh tension plates of teh tension unit - a piece of paper rubbed between them will help
take it to another dealer!

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2 Answers

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