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How do you determine if the sub tension knob is too loose on my Juki TL2010Q? My stitches are not uniform and some have a slight zig zag.

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Generally I believe that the sub tension regulates the length of the tail left after the machine cuts. Rather than adjust the sub tension, I would 'slightly' tighten the screw on the bobbin case and see if that solves the problem. If you were not having the problem before, there may be lint or tiny piece of fuzz under the spring on the bobbin case or a piece of thread hung up in your upper tension. Good Luck!

Posted on Dec 03, 2016

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2 Answers

Elna machine puckers silk on zig zag stitching, Elna 2007


Yes, because a zig zag stitch is creating a wide stitch and the tension on the thread is going to pull the fabric within the seam together, you can't seam thin fabric with a wide zig zag. It will "tunnel together". If you are using this stitch to neaten a raw edge, then try using the serpentine or three step zig zag where the needle pierces the fabric 3 times in each leg of the zig zag, this will give better results.

Jul 07, 2015 | Elna Sewing Machines

1 Answer

Have a knob that look like a seasaw under the knob


could you be looking at the zig zag indicator? try turning it and see if your machine does a zig zag stitch. There might also be a tiny knob to hold the zig zag stitch size indictor in place

Oct 07, 2014 | Sewing Machines

1 Answer

Raw edge zig zag stitch bunching underneath


When zig zagging over a raw edge, the tension on the thread will pull in the fabric, especially in lightweight cottons or even lighter organza. Its not the best edging method for very light weight fabrics. You can try using a smaller zig zag, loosening off the top tension a little bit. Or if your machine has it, use the triple zig zag or serpentine stitch, where the needle goes through the fabric three times to make up each zig stitch, this stitch is better for edging most fabrics and is my preferred stitch.

Sep 26, 2014 | Elna 3210 Mechanical Sewing Machine

1 Answer

Viking 6360 buttonhole procedure


you start with the broad zig zag stitch bar across the top
then you go down the left side using a smaller zig zag stitch
then you make the the broad zig zag stitch at the bottom
then you make the smaller zig zag stitch on the right side
all the way to the top broad zig zag stitch & your done
the right side zig zag does not go beyond the top broad zig zag
stitch

Aug 01, 2012 | Husqvarna Sewing Machines

1 Answer

Bernina activa 210 won't zigzag and has bobbin issues on straight stitch


it's very possible that the machine is slightly out of time & needs to be service at a sewing machine shop
is the fabric & thread & needle compatable with each other?
did you use every thread guide when threading the machine?
is the bobbin in correctly?
is the bobbin warped?

Mar 20, 2012 | Bernina Sewing Machines

1 Answer

The thread underneath when sewing is too loosed


Usually thread too loose on the bottom is caused by the upper tension being too loose. The top and bottom tensions work together with the top thread making the underside of the stitch seem too taunt or too loose and the bobbin thread causing the top side of the stitch to be loopy or too tight. Select a large zig zag stick and sew a couple of inches. Then examine the stitch. It should look identical on both sides. Look to see which side is drawn too tight, the zig zag being smaller on that side with threads from the bottom threads pulled through. Then adjust the two tensions so that they make a uniform, identical stitch.

Also, when the bobbin tension is right you can hold the bobbin dangling by the thread and it won't spool out to the floor but will let loose a bit with a slight flick of the wrist. Too loose it will just spool out. Too tight and it won't drop at all. When you get that set right then do the above zig zag test to see where the top tension should be set.

Mar 02, 2011 | Sewing Machines

1 Answer

Tension underside looks good, but top side the bobbin thread show


sometimes when you reset the top tension dont forget to reset the bobbin tension so try to tighten the bobbin tension

Nov 08, 2009 | Kenmore Sewing Machines

2 Answers

What are the settings for regular sewing, I do not have a manual. It has 3 knobs on the front and 1 on top? This might have something to do with my problems.


The three front dials are as follows....left to right-Stitch width, type of stitch, and stitch length. The dial on the top adjust the top tension.

For straight stitch you want 0 stitch width, straight stitch, 3 for stitch length.

For zig zag you want turn your stitch width to how wide you want the zig zag, choose zig zag stitch, and choose how close you want the stitches to be on the stitch length dial. Practice on a piece of fabric. Usually for zig zag you will want to loosen your top tension a little bit.

Aug 11, 2009 | Brother XL-5130 Mechanical Sewing Machine

2 Answers

Suddenly zig zag stitch not working?


Because it is almost a straight stitch but the needle continues to move in a zig zag fashion is reason to believe it is in a long stitch. By changing the number of stitches per inch there will be a very noticeable looking zig zag stitch.

Mar 25, 2017 | Brother XL-2610

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