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Top tension thread shows little balls of thread bottom thread is good what can be done

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The upper tension is too tight. The upper thread is pulling the bobbin thread up.

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Posted on Jan 03, 2017

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Posted on Jan 02, 2017

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I can't get the tension right on my Bernette 65


loosen of the top thread tension a bit and increase the bottom thread tension
that is done by screwing up the small screw that holds the flat plate of the bobbin carrier that you pull the thread through and under when you put the bobbin back in the carrier
moving that screw as little as 1/8 turn changes the tension a lot
use scrap and keep adjusting until the threads meet at the center of the materials

Jan 11, 2016 | 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

I have juki 1541industrial machine . It started sewing upside down . Instead of nice stiching on top show side it on bottom. Any ideas


This is caused by the tension between the bobbin and needle threads being out of balance. If the knots between the stitches are on the bottom side, then you need to tighten your needle thread tension a little at a time until the knot is in middle of fabric. The reverse of this is if the knots are on the top, then either your bobbin tension is too loose or your needle thread tension is too tight. If this occurs, then loosen your needle thread a little at a time to see if knot goes down in middle of fabric. If it does not, then you need to increase the tension on your bobbin thread. This done by taking bobbin case out and tighten the small screw located in the middle of the spring on the side of the case. You only need a slight, steady pull on the bobbin thread - the more you put on the bobbin, the more you are going to have to put on the needle thread.

Feb 13, 2015 | Juki Sewing Machines

1 Answer

How do you adjust the tension on a Bernina 180


There are two tension adjustments, which should be done with a proper set of weight gauges - top and bottom thread tension should be carefully balanced to get the best stitch formation. It is best that you assume the top tension is correct and adjust the bobbin tension to match. Load the bobbin with thread of one colour and put a spool of the same thread but a different colour on the top. Thread-up the machine, load the bobbin and sew-off a satin-stitch on max width zig-zag. In this configuration, there should be a very small 'bead' of the top thread showing along each side of the satin-stitch on the underside of the material. If there's excessive top showing, the bobbin tension is too high and if none, the bobbin tension is too low. To adjust the tension, remove the bobbin case and you will see a spring around the edge with two screws through it. One of the screws holds the spring in place and the other adjusts the tension - this is furthest from the edge of the spring and is in a small 'cup' in the spring itself. To reduce tension, turn the screw VERY SLIGHTLY anticlockwise and to increase it turn it clockwise. Make very slight adjustments and re-check sewing-off the satin-stitch every time until you get the required thin line of top showing down each side of the stitch on the underside. Ideally this should be done with Mettler Metrosene thread, but as we're just balancing against the top tension, it shouldn't matter too much provided you use a good thread top and bottom.

Jan 27, 2012 | Bernina Artista 180

1 Answer

I am learning free motion quilting. I either get the bobbin thread showing on top or when I lower the tension the top thread shows on the bottom. This problem seems to fluctuate also. What am I doing...


Try tightening your bobbin tension a little, and then readjust your top tension again for consistant tension. Also if your not running the machine fast enough while your moving the fabric, you might have you bobbin thread looking like a taught thread on the bottom. Make sure you use a small needle, like a #11 or a #10. The smaller the hole the needle makes, the less of the thread you will see on the opposite side. Especially if you are using contrasting colors.

May 11, 2011 | Bernina 1008

1 Answer

How do I tighten the tension on the bobin thread I am quitiing with invisible thread on the top and dark blue on the bottom, the bobin thread shows. I don't want that


you can either increase the bottom tension or reduce the top tension .. you will notice a little screw on the bobin case ... that screw adjusts the force on a small flat spring which provides the bottom tension (the thread goes under the spring when properly threaded) .. .. tighten that screw a little to increase bottom tension .. you can pull thread thru the bobin case to get a feel for how much tension you have ... you dont have to turn the screw very far to make a significant difference .. try just 1/4 of a turn at a time .. remember where it was originally set so you can put it back when you are finished with your present project .. the greater the bottom tension the less bobin thread will show at the top ... if you get the tension too high then you might see some puckering as you sew ..

Jan 03, 2010 | Sewing Machines

1 Answer

Thread ball up


Check your bobbin area. Make sure you have put the bobbin in the case with the H logo up and the thread pulls off the spool in a counter clockwise motion. Make sure the bobbin is sitting in the case and threaded through the "catch" on the bobbin case. Then leave a long piece of thread from the bottom, holding the end of the top thread, lower the needle for one revolution using the handwheel. Does the top thread catch the bobbin thread and pull it to the top? This is done without fabric. Your checking to determine if the top thread catches the bobbin thread and pulls it to the top. IIf it does not, it is most likely hook/needle timing. f it does, gently pull on the bobbin thread and determine if it pulls through with a little resistence (checking bobbin tension). Make sure you are using correct needle -- Schmitz or Inspira needles are recommended (Universal size 80 is standard). Make sure you are using Husqvarna Viking made for your machine -- original ones were green but there are some new colored ones but all have the Husqvarna logo on them. Otherwise take it to an authorized Husqvarna Viking dealer. You can find your closest dealer at the Husqvarna Viking website - http://www.husqvarnaviking.com/us Good luck

Sep 24, 2009 | Husqvarna Designer I

1 Answer

I have been using the zig zag stitch for appliques and all of a sudden the bottom thread which is a different color is showing on the top. I have rethreaded top and bottom threads, changed needles, cleaned...


it sounds like no bobbin thread tension. there should be some resistance when you pull on the bobbin thread. if there is none or too little you may have some lint or thread caught behind the bobbin case tension spring.

very carefully try and push the tip of a thin pin into the bobbin case tension spring and pick any accumulated thread or lint out.

if the bobbin case spring is clean, try tightening the bobbin tension a little at a time until your zig zag looks ok.

of-course all this is done after checking needle threading and needle for damage.

scott.

Jul 29, 2009 | Janome Sewing Machines

1 Answer

Sears Kenmore Sewing machine model 15358 Just got this machine brand new yesterday. I've gone through the manual very carefully to make sure the machine is threaded properly. It's very similiar to my old...


The tensions must match ie. top tension =bottom tension. If the material is not sewn together tightly, that means the tensions are mismatched. Sewing machines will sew whenever the top and bottom tensions are equal (be it very tight or very loose).

We usually advise the customer to not touch the bobbin case tension. When that is not changed, all tension adjustments can be made from the top tension above the needle.

It appears that one of the two tensions (top or bottom) is much tighter then the other. I would reset the tensions to how they came, if you are unfamiliar with sewing machines this may take a little bit of experimenting until you get it back to a standard quality stitch.

The other option would be bring it to a sewing tech. A good mechanic should be able to adjust the machine and your tensions to your fabric (and recommend needle size for your thread/materials) in about an hour.

Apr 15, 2009 | Kenmore 15358

2 Answers

Top color thread showing on bottom of embroidery on a Bernina Deco 330 embroidery machine


Upper tension is too loose or lower tension is too tight.This might be a good thing. It depends upon how much it is pulling the thread under. A perfect tension on embroidery is about 2/3's lower thread and 1/3 upper thread showing on the bottom.
sewman7

Jul 09, 2008 | Bernina Bernette Deco 600

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