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Lost manual What size needle & what tension should I use for 60%cotton/40%polyester? It's very soft, stretchy material. The threads keep tangling in the bobbin cavity. I don't think it's the machine. I've misplaced my manual and can't look up needle sizes vs. materials.

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  • heidikitty Mar 10, 2009

    Thanks. Your suggestion helped some but didn't fix the problem entirely. The threads aren't catching in the bobbin anymore but the bobbin stitch isn't right. Don't know how to describe it other than there's a "glob" of thread on the underneath side of the material. The needle also acts like it's pulling to one side. I'm afraid it may break. What am I doing wrong?

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  • I'd satisfied to sew cotton/polyester than silk fabric, match more commonly use needle for cotton is no. 14 and stich no.3

Posted on Mar 09, 2009

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Tension setting for sewing denim on brother LS 2125


Refer to 'Manuals Online', Brother sewing machine user manual. There is an excellent guide to tension settings for all fabric types. Also remember to check upper and lower thread has been wound through correctly and are using the same thread top and bottom. Ensure you have the correct needle size for denim ie 100/16 and the correct thread size ie 40-50 cotton or heavy duty polyester.

Nov 09, 2016 | Brother Sewing Machines

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Needle stitch fine. Bobbin stitch loops.


First, try a brand new needle.

Second, consider using a better quality thread. By all means, AVOID old or bargain bin threads. Coats & Clark used to be a standard, but thread quality has improved over the past few years, so you may want to check out other brands like Aurafil, Superior, Isacord, etc. Also, cotton wrapped polyester thread releases thread lint that contributes to build-up of gunk in the machine. Some sewists have noted that they experience more sewing issues when using C&C threads. However, some machines will do better with certain thread brands than others, so some experimentation may be beneficial.

Third, check the stitch on your sample again. Generally, when thread loops appear on the underside of the fabric, it is the upper thread that is the problem. If loopy threads appear on the top of the fabric, it is the bobbin thread that is the issue. You can even use a different color in the top to help distinguish which thread is the problem.

Fourth, when threading the upper thread, Always Raise the Presser Foot during the threading process so the tension disk is released and the thread can seat properly. "Bird nesting" occurs when the thread is not seated in the tension disk.
Sewing Machine Thread Bunching Up Here Why

Birds nest under the fabric big loops of thread top side looks good...

Fifth, when the upper thread appears on the underside of the fabric, the upper thread tension is too loose. If the bobbin thread appears on the top of the fabric, the tension thread is too tight (or the bobbin thread is loose). Start out with the upper tension set at the midway point and tweak it from that point. The tension is ideal when both upper and bobbin threads meet in the middle of the fabric.

Also, remember that tension is not static--a tension setting for chiffon will most likely not work on cotton or denim. Get comfortable adjusting the tension to suit the project you are sewing.

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Sewing machine is out of sycn


If the needle/hook is out of time, you will probably need to take it for service. There are web sites and videos on the internet that show how to correct timing if you want to try it yourself.

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Apr 26, 2016 | Sewing Machines

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Why is my brother ls2160 is sewing fine on cotton but not on the material I am using. Its a stretchy silky kind of material. What am i doing wrong?


You may need to use a walking foot with your machine as stretchy fabrics are hard for the feed dogs to 'grip' and pull the material through under the needle.... you will probably need to change needle as well... there should be a helpful video on YouTube that will tell u all about sewing with stretchy fabrics and how a 'walking foot' works... hope that helps.

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I would like to know how to set the machine up for polyester/spandex material


You need a ball point size 70 or a jersey 70 if you can get it. Stitch length 2.3 to 2.5. Re tension, just normal tension setting. If the machine is sewing an evenly balanced zigzag on regular cotton fabric, then tension is fine. If you find the straight stitch on your fabric pops under stretch, then try using a very small zigzag to put some flexability into the seam.

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1 Answer

The top thread is not picking up the bobbin thread. Singer Model 7422


Check your needle and make sure it is not bent, needles should be replaced after about 8 hours of sewing and that they are the right size for your project. Also use the same weight of thread, do not mix ie. cotton or polyester. Then check your threading, did some thread get tangled? Or sneak out of a guide? Hope this helps.

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I keep having problems with the stitching on my machine. 1) when you sew the stitches looks normal from the top but when you turn the material over it looks like one big tangled mess. 2)When it does...


It is usually in your top threading, make sure that your thread match in bobbin and top threads. Mixing sometimes causes a problem. Also make sure that nothing is tangled. Also, check your needle and put a new one in just to be sure, then check your manual for size of needle and what kind of project you are doing. Hope this helps.

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1 Answer

Sewing machine tension?


Hi! This might be a tension issue, but it also could be caused by the needle. For stretchy fabric you need to use a stretch needle or at the least, a ballpoint needle. (see my tip about which needle to use).


Let me know if this solves the problem, ok?


Happy Sewing!

Robbie

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1 Answer

Singer Futura CE100 Embroidery


check to be sure machine is being threaded correctly first, then when pressure foot is lowered pull thread and see if you are getting tension, if not assembly is bad

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