Question about Sewing Machines

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Slide out is going out crooked. When we adjust tension on cables. It rolls up loose on spindle when we pull it in. Please let me know what were doing wrong .thank you

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  • Master
  • 359 Answers

What kind of machine is this? Is this some kind of commercial sewing machine? There are no cable adjustments on any of the machines I am aware of.

Posted on Apr 12, 2015

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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

bargainbox
  • 1388 Answers

SOURCE: how do I know which tension to adjust?

Are you sure that a stitch is being created each time, or is it missing some....

On a scrap, sew a zigzag to ensure that at least the stitches are being formed, if not, or missing some, look to timing.

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 !

FRONT LOADER:
....this is a bobbin case from a front loading machine and works in a very similar fashion to the top loader with drop in bobbin, again, if you dismantle it, take care so you can put it all
back properly.
165ca5c.jpg 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 Feb 24, 2008

  • 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

  • 2 Answers

SOURCE: sears Kenmore sewing machine model number 15358 tension issues

#14 needle is way big for cotton napkin scrap. a #10 is good for most lightweight fabric. #14 is for sewing denim or levis, like that.

the tension problems on almost all machines regardless of price usually fall on the upper tension. the lower bobbin tension is factory set and it's rare you should ever need to mess with it.

if you have a drop in bobbin (top loading), tighten the adjustment screw all the way and then back it off 1/4 turn. if your machine uses a shuttle bobbin, tighten the adjustment screw all the way and then back it off in 1/4-turn increments until you can hold it in the air like a yo-yo and cause to bobbin case to fall slightly dipping your hand.

A dull needle and stitch length will also mess up your stitch. The idea is to narrow the problem down to one thing and one thing only -- UPPER THREAD TENSION.

So, if you have the right size needle for the job, with the right thread, and if your stitch length selection is correct (usually between 2 and 3 or 8-to-10 stitches per inch, the problem should be with your upper thread tension.

An easy way to fix this then is to remember: Loops on top, upper tension drop. Loops below, upper tension grow. If you get loops on top of your work, lower (drop) your upper thread tension to a lower number. If you get loops on the bottom, raise the upper thread tension.

Different stitches on the same machine will require different upper thread tension settings. Don't be afraid of it. Just remember the pneumonic: loops on top, tension drop, loops below, tension grow -- referring to upper thread tension.

have fun :)

Posted on Apr 02, 2010

  • 139 Answers

SOURCE: bobbin tension is too loose

"Birdnesting" occurs when there is no tension on the needle thread to pull the bobbin thread. This is easily corrected by rethreading the machine, following the threading path carefully and making sure the thread is fully engaged in the tension mechanism.

Posted on Apr 16, 2010

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1 Answer

Top tension suddenly loose in embroidery. Have rethreaded x 10


Make sure the bobbin case is seated properly without turning around. If you look there is a lever that holds it down on the left side. On the right side you will notice a holder that can be adjusted to tighten or loosen the movement of the bobbin. Leave a small amount of movement though because thread has to slide between areas.
The adjustment of the top tension is normal at four. Try to take a slight pull on this and pay attention to the feel of the pull. This is the amount of pull that the bobbin case should have the tension set. It is similar to a tug of war. The objective is to set the top and bottom tensions equally.

Jun 02, 2017 | Sewing Machines

7 Answers

TIming Consew 210


I am not sure about this particular machine but in most machines there will be a nob on the front loose low numbers like 0 1 -2 work well on number 3. If the nob is not on the front check and see if it is on the side.

Aug 27, 2008 | Consew Sewing Machines

Tip

Setting Sewing Machine Tensions


When you sew you want a nice sturdy seam, one that won't pull apart or leave gaps or cause puckering. To get this it's important to have the tensions set correctly. Many seamstresses get confused about how to set their tension. It's a fairly simple process once you understand a few basic things.

BASIC LAW OF TENSION to form the stitch: The UPPER thread tension changes the look on the UNDERSIDE of a seam while the BOBBIN tension, the bottom tension effects the appearance of the TOP SIDE of the seam. That is quite opposite of what most people think. Basically what you want is for the top and bobbin tensions to equal so that the stitch forms half way between the two.

If you can see threads from the bottom side of the stitch showing on the TOP side of the seam, like the graphic below, then either the BOBBIN tension is too loose or the TOP tension is too tight.

If there are loops on the bottom side of the seam, like the illustration below, then the TOP thread tension is too loose, or the BOBBIN tension is too tight. Typically the TOP tension is too loose.

If there is puckering on the top side then most likely the TOP tension is too tight, though it may also be the the BOBBIN tension is way too loose.

So how can we tell which it is? The best way its to begin by taking a scrap piece of the fabric you will be sewing on, or at least the same type of fabric, picking the widest zigzag stitch possible with a medium to long length of stitch and sew several inches. Now examine the seam remembering which is the top and which is the bottom. If it does not look identical on both sides then one of the tension settings is wrong. (it is also possible that the needle is the wrong type but for the moment let's assume it's the tension).

If there's a problem with the stitch you can use the above rules to figure out which tension is off. However, as the top and bottom tensions work together let's begin by going through a basic check-off list.

First examine the threading of the upper thread and make sure it is correctly following the path and isn't catching on something. This is really important when you think you've looked through everything and just can't 'see' the problem. Taking the time to go through these steps can save you a lot of pulled hair!

Next pull out the bobbin and examine it in it's case. Are the threads would around it evenly or are they all jumbled and crisscrossed? Jumbled up is a BAD thing. Try a different bobbin that is wound correctly. Now examine if the thread is coming out of the proper place, through the tension slot. Pull on the thread to see if there's total resistant. If so, something isn't right. But it can also be a problem if there is no resistance so let's now do this test.

Suspend the bobbin in it's case by the thread. Let it dangle there is space, still holding it by the thread as if it was a yoyo. It should dangle there with a little slipping, the length of thread between it and your fingers getting a bit longer. If it hits the floor there's no resistance! You have NO tension. That is BAD. Now, while still dangling it gently flick your wrist like you're holding a yoyo and wanting it to drop down a little bit, which is exactly what it should do if the tension is correct. If it doesn't release any thread at all, doesn't drop down a bit then the tension is too tight. Most bobbin tensions are adjusted by turning the little screw on the casing next to where the thread comes out. (Make sure that the bobbin turns in the case the right direction too which is the same direction of the slot!)

If the bobbin drops a lot it is too loose and you will need to tighten it a bit. Remember that a gentle flick should allow more thread to come out but not reel out. There should be some resistance.

Now that we have the bobbin correctly adjusted place it back in the machine and sew another test seam and examine it. By using the rules at the beginning of this tip determine if the upper tension is just right, too loose or too tight. Adjust the upper thread tension accordingly, first raising the pressure foot then turning the dial or however your machine adjusts tension. The higher the number the tighter the tension and vice-versa.

So that you know what the upper tension should feel like pull on the thread at a point BEFORE it goes through the needle first. Pulling after it goes through the needle puts a bit more tension on the thread and I want you to feel the tension before that point. If the tension is too tight and you pull on it after it goes through the needle it may break the needle if it's a small sized needle. You should feel some resistance. You shouldn't have to tug hard on it to pull more thread through but it also shouldn't reel out without any resistance. If the thread is breaking either the tension is very high or the thread is catching somewhere. Check the threading as well as look to see if the spool is turning freely on the spindle. Sometimes the thread will catch on the spool itself. When you buy a new spool of thread remember how the end was through a tiny slot on the side of one end? If that slot is on the bottom of the spool on the spindle it can sometimes catch the thread as it turns. Simply turn the spool upside down and re-thread the machine if needed.

Now once more do a test seam and examine it. Follow the above steps until the top and bottom of the zigzag are identical - perfect!
mszona.jpg

on Jul 01, 2011 | Sewing Machines

1 Answer

How do I adjust tension on a Janome Harmony 9102D


Sounds like you want to do a rolled hem for a handkerchief edge, I do the following to create a rolled hem on my over locker. Take out left needle and cut and remove that thread. Open front cover and slide back lever for the stitch finger in the needle plate, this finger stops the fabric rolling under thread tension normally so you need to pull it back out of engagement. Your Janome may have a similar means to select the rolled hem or you may need to remove the stitch finger with a screwdriver, it varies between models.

Thread upper looper with wooly nylon and right needle and lower looper in matching colour thread. (You can go wooly on the bottom looper but it hardly shows so I never bother.) Disengage upper blade and move the fixed lower blade to the right to trim less, then lower upper blade back into position. Now tension, needle leave alone (5)' upper looper very loose (2-3) and lower looper tighten up to 6-7 and test stitch. You want the upper looper thread to go right underneath and the lower looper thread to disappear against the needle stitch. And the fabric to roll inside the stitching. Finesse tensions on the loopers until this is right, you may need to change blade position too, depends on weight of the fabric and how it rolls. Once this is right turn stitch length down to close up stitching, 0.8 or even 0.5 if you want full coverage. Thats it. You can use differential feed if you want a fluted rolled edge, nice on knits.

Mar 02, 2015 | Janome Harmony 9102D Mechanical Sewing...

2 Answers

Bottom tension is too loose


You really need a proper set of weights and test spindle to adjust the bobbin tension, however if the bobbin tension is genuinely too loose, you can adjust it by turning the tension screw clockwise - this is the larger of the two screws on the side that are attached to the spring under-which the thread goes when it comes off the bobbin. You only need to turn the screw a little bit to make a big difference to tension, so dont overdo it.

Jan 27, 2012 | Bernina Artista 180

1 Answer

Tension is too tight on my sewing machine,,need to know the settings to go with which seam. singer 724 graduate


Hi. As a rule of thumb, once the tension is balanced on your machine, it shouldn't need adjusting. It's not something you adjust for each different type of seam or fabric (again, rule of thumb!). (Certain kinds of sewing, like free motion embroidery or when you use rayon thread, require particular tension adjustments, but for ordinary sewing, you shouldn't have to mess with the tension that often.
If the top tension is too tight, your top thread will be loose and basically just sitting on top of the fabric. You need to loosen it up so that the bobbin thread can pull the top thread down into the fabric.
Let me know if this helps, ok? I'm going to post a tip on adjusting tension so please check that out.
Happy Sewing!

Robbie

Mar 10, 2010 | Singer Sewing Machines

1 Answer

My zig zag and straight stitches are fine on the reverse but crazy on the top of the fabric. What's going on? - have tried adjusting tension but no use. I have a Brother machine


Are they crazy tight, or crazy loose? Try adjusting the bobbin tension. The bobbin holder should be just tight enough, that it will not slide under it's own weight, with a full bobbin in it. Tighten the screw until it holds, then, unscrew the screw 1/8 turn at a time, testing it each time until it just starts to slide. Then, turn it back, one adjustment (1/8 turn tighter). Next, you will have to adjust the top tension but, that's a lot easier. Also, make sure your presser foot has enough pressure on the material. If it's too loose, the material will slip back & forth along with the needle. The feeder feet must also be working properly.

Sep 01, 2009 | Euro-Pro Shark 60 - 384

1 Answer

Hi, how do I adjust bottom tension of bobbin thread on 707 model(to loose). Have adjusted tension wheel on top of machine (+/-) Thanx


hi there,

you mean bobbin tension,on figure shown13eaa16.jpg there is set up screw on the body latch of bobbins
if you can see,use small flat screw driver adjust gradually not to tight then insert thread have it pull this should be on trial and error bases because there is no numerical figure to indicate,mostly this was factory adjusted have you ever watch sewing on www.youtube.com try it type this on you internet address,then on you tube search box type
"sewing machine"there are set up slide on sewing machine intruction,have a nice day to you and don't forget to rate me thank's

Apr 10, 2009 | Sewing Machines

1 Answer

I am having trouble with my tension on my Brother Pacesetter PC-4000. The top tension is fine, however, the bottom tension is loose where it can be pulled out. Typically, I know that you adjust the top...


Go to this website page and it will help you. http://welcome.solutions.brother.com/BSC/public/eu/gb/en/faq/faqh/000000/000000/000044/faqh000044_001.html?reg=eu&c=gb&lang=en&prod=hf_inov700eeuk&Cat=52

Aug 18, 2008 | Brother PC-6000 Pacesetter

2 Answers

Rolled hem or rolled edge


You need to disengage the cutting blade by openingfirstly opening the front and left hand side covers. pull on the larger of the two silver knobs and slide the red lever towards you. I'm not sure what the tension settings are, but I'm certain you need to reduce them a fair bit to aid in the rolling effect. I only use 3 threads when doing a rolled hem.
My description isn't too detailed but I hope it helps!

Jun 11, 2008 | Janome MyLock 634D Mechanical Sewing...

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