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Tension dial not adjusting tension

I have tried all tension adjustments with this machine, still loopy stitches in back and bottom thread shows on top

Posted by Anonymous on

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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talk2ginny
  • 34 Answers

SOURCE: thread breaking on Simplicity Denim Star

Hi, when your thread breaks or frays right before in goes through the eye of the needle:

  1. Change your needle - after awhile, the eye can wear down and cause your thread to break or fray, eventhough it looks like the thread isn't even going through the needle. When you change your needle, make sure to install a needle that is compatible with the thread you are using (see below).
  2. If your thread still frays or breaks, make sure you've threaded your machine correctly. Most machines have a hook or bar right above the needle that your thread need to pass thru before you put the thread thru the eye of your needle. Sometimes that spot above the needle is really hard to get to, and sometimes the thread slips out. Always a good idea to double check. If you are still having problems, the needle you are using is probably the wrong size.
There are lots of needles on the market, and lots of threads. You need to make sure your needle is compatible with the thread you use for each project.

The most common needles are size 80 and 90 universal needles, which are fine for most sewing projects. But if you are using a specialty thread, you need to use a needle that is designed to work with that particular thread. For example, top stitching needles have a larger eye than a universal needle, because top stitching thread is thicker than sewing thread. The same is true for metallic thread - needles made for metallic thread an eye designed to allow the thread to pass thru without fraying. Further, if you using fine thread, you need a small needle.

FYI - unfortunately, thread sizes do not correspond directly with needle sizes. Small needle numbers indicate a needle with a small eye. But the smaller the thread size, the larger the thread. For example, size 50 thread is very fine and would usually be used with a size 70 needle. Size 30 thread is fairly thick and would probably be used with a size 90 top stitch needle.

Hope this helps, and remember, you should always change your needle after about 10 hours of sewing, no matter what size needle you are using. If you have more questions, please post again. Thanks, Ginny

Posted on Jan 31, 2009

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SOURCE: I need to set the tension on my simplicity denim star sw210 machine, how do I do that? It seems that the top stitch is good but the bottom stitch looks really loose.

try adjusting the top thread tension one number higher till it looks better

Posted on Mar 21, 2012

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2 Answers

Model 525B. Why is bottom stitch loopy and the hand wheel and needle jam?


try a new needle

try adjusting the top thread tension to see if that helps the bottom loopy stitch

Jan 10, 2016 | Janome Sewing Machines

Tip

How to adjust the tension on your sewing machine


Few things are more frustrating than not being able to get the tension on your sewing machine balanced. Here are a few tips on how to do it:
1. Make it a habit to thread your machine with the pressure foot UP. This disengages the tension disks so the thread is able to slip easily between them.
2. Always adjust your machine's tension with the pressure foot DOWN. If it's up, although the numbers on the tension dial may move, the tension settings on the disks don't.
3. Remember that the numbers on the tension disks are relative. Generally, "3" is a good place to start, but it's only a number. Increase the numbers to tighten the tension, decrease them to loosen it.
4. Use different color threads in the top and in the bobbin to make changes easier to see.
5. Sew a few inches, stop, and examine the stitches. Adjust the tension just a little, stitch a bit more, then examine again. Repeat as needed until there is no (or very little) of the top thread showing on the bottom fabric and no (or very little) of the bobbin thread showing on top.
But how do you know which way to adjust the dial?
This is where a lot of the confusion seems to come from, because it 'seams' backwards! Look carefully on the bottom, the bobbin side. If you're using the same color threads both on top and in the bobbin, it can be hard to see, but usually what you'll see if you have 'loopy' threads on the bottom, is that the loops are actually the top thread and that the bobbin thread is laying on top of the fabric. Using different color threads makes this obvious.
What's happening is that the top tension is too loose, so it's not pulling the bobbin thread up into the fabric.
There's a tendency to see the loops on the bottom and think the bobbin tension needs adjusting, but the real problem is with the top tension. (There is a bobbin tension adjustment but you shouldn't have to mess with that very often, if at all.)
I've posted a couple of photos at www.robbiesews.blogspot.com so you can see what I mean by balanced tension.
Happy Sewing!


on Mar 10, 2010 | Sewing Machines

2 Answers

How to adjust the bobbin tension.


According to the manual, you should not need to adjust the bobbin tension (and I located other sites which stated the bobbin tension cannot be adjusted on this machine). Apparently, all the tension adjustment is accomplished through the upper thread::
"EN Thread Tension Upper thread tension Basic thread tension setting: "4". (1) To increase the tension, turn the dial to the next number up. To reduce the tension, turn the dial to the next number down. A. Normal thread tension for straight stitch sewing. B. Thread tension too loose for straight stitch sewing. Turn dial to higher number. C. Thread tension too tight for straight stitch sewing. Turn dial to lower number. D. Normal thread tension for zig zag and decorative sewing. Correct thread tension is when a small amount of the upper thread appears on the bottom side of fabric. Lower thread tension The bobbin tension has been set correctly at the factory, so you do not need to adjust it. Please note: - Proper tension setting is important for strong seams. - There is no single tension setting appropriate for all stitch functions, thread or fabric. - A balanced tension (identical stitches both top and bottom) is usually only desirable for straight stitch construction sewing. - 90% of all sewing will be between "3" and "5". - For zig zag and decorative sewing stitch functions, thread tension should generally be less than for straight stitch sewing. - For all decorative sewing you will always obtain a nicer stitch and less fabric puckering when the upper thread appears on the bottom side of your fabric. 1 A B C 22 D"

Doing further research, I found this statement on a machine review site:
"After reading reviews online from where I've bought my drop-in bobbin machines, I think many of the negative reviews are due to the bobbin thread coming up without laying across the bobbin. It can cause the stitches to look very sloppy and no amount of tension adjusting can fix the stitches."

There are several machine review sites wherein 4423 owners stated their disappointment in the 4423's performance. Some said the machine failed almost immediately and others said the machines developed problems when sewing heavy fabric.

Apr 26, 2015 | Singer 4423 Sewing Machine

2 Answers

Over locker loopy bottom stitch


Loopy on bottom means the top tensions need to be adjusted. "All on 3 means nothing" These are tension knobs and are not required to be on the same number.

In the mean time rethread the machine with a different color on each spool This will help you determine which thread is the offender. sew the same type of material this thread set up... tighten the corresponding tension dial. Once you get a good stitch, Lift the food, cut all the threads near the spools and tie off new thread/spools and pull the thread through to the needle. Once it is all threaded again test your stitch with the same fabric again.

Oct 02, 2013 | Sewing Machines

1 Answer

The bottom stitch is very loose. I've tried tightening and loosening the screw and the problem remains...HELP!


The bottom stitch is affected by the TOP thread tension :) First go back and make sure your bobbin tension is correct since you adjusted it. It should drop slightly when held suspended by danging it by the thread. If it reels out to the floor it is too loose. If it doesn't drop at all it is too tight.

Now that you have that adjusted look at your top tension. If it is loopy on the bottom side of the stitch the TOP tension is too loose. Increase the top tension.

Now take some scrap material and set machine to a wide zig zag, medium length stitch and sew a bit. Compare the top and the bottom sides of the stitch. They should look identical. Remember the TOP side effects the bottom and the BOTTOM tension effects the top side. Adjust accordingly until they look identical with no loose threads or loops and no puckering (puckering means it's too tight).

May 03, 2011 | Brother LX3125 Sewing Machine

1 Answer

The bottom stitches are not sewing correctly. I have tried threading the top and the bobbin over and over but still I have troubles. Is this a timing problem?


If your bottom stitches are loose or loopy, it's probably because the upper tension is too loose. Make sure you adjust the tension with the pressure foot down and turn the dial just a bit at a time.

Good luck!

Robbie

Aug 09, 2010 | Husqvarna Viking 1

2 Answers

Tension problem


Set the top tension as recommended by the mfg - this is usually between 3 - 6.

Now re-thread the machine with the presser foot up and see if this doesn't eliminated the loopy stitches.

What appears to be an issue with the bobbin may actually be the top thread was not seated into the tension during threading and the tension cannot control the flow of thread to the needle and you get a loopy stitch.

Keep the bobbin case clean as built-up lint can cause stitching problems.

Feb 20, 2010 | Brother LS-2125 Mechanical Sewing Machine

1 Answer

The top thread is really loopy on the underside of the fabric, sometimes it misses a stitch, sometimes, the upper thread breaks, and it often gets so tangled underneath that the machine won't feed.


Your tension is way too loose on top or too tight on the bobbin. Try adjusting the top tension one number at a time until you get it right. (Only adjust the bobbin tension as a last resort). Also you could have different thickness of thread in the bobbin than on the top or are sewing a very heavy fabric. Try adjusting the tension with same thread in both bobbin and top and use a normal weight fabric until you find the right tension to get you back to a normal stitch before going to a heavier fabric or thread.

Nov 19, 2009 | Craft Master 4300 Mechanical Sewing...

1 Answer

Can't adjust the tension on old singer!


increase top thread tension slowly till u get similar stitches on both sides

Nov 03, 2009 | Singer Sewing Machines

1 Answer

Sewing machine Brother xl-5301


When the bottom stitches are loopy it is the top tension which is wrong. I suspect that it is not threaded correctly for it to be this bad. If you have a tension dial make sure that the thread is properly between the disk. Try the top tension on 4-that is an "average" normal setting. Gradually turn it up as needed. A good way to test tension is to use 2 contrasting colours-red and white are good. You will see at a glance where the problem lies and how well you are correcting it with adjustments. You should barely see a trace of the top colour coming through. Rethread the machine top and bottom with 2 colours-set dial to no 4 and go from there.

Jun 13, 2009 | Brother XL-2600

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