I have a Bernina 153QE and am freemotion quilting on it. I am using sulky blendables thread. The top looks fabulous but when I turn it over the bobbin thread is straight but the top thread is too tight on the back and forms loops. Do I need to change the bobbin tension? What tension should the top thread be?
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Re: Threadtension wrong when free motion quilting
If the thread under the fabric is loose you need to tighten the upper tension. If it's on 4, bring it to 5. If it's on 5, bring it to six and continue doing that and sewing till its perfect. You may need to decrease your lower tension if you can't get it just right.
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#26 is an embroidery foot. Why are you using an embroidery foot for free motion quilting? A #24 free motion embroidery foot will work but not the #26. Try using a darning foot that is just a smidgen shorter so there is space between it and the needleplate for you to freely move the fabric. (Adding a Supreme Slider sheet to the work surface of your machine helps make the fabric glide much smoother.) A standard presser foot is made to press the fabric against the feed dogs so the feed dogs will move the fabric. When free motion quilting, you would drop the feed dogs and move the material with your hands.
Depends which model Bernina you have (new or old style presser feet), which will work on your machine. There are also many generic darning/FMQ feet available that will work on your machine.
Hi Leann: Think about how a sewing machine works. Now think about what kind of difference an 1/8th of an inch distance would make. Yes. You will need to adjust your top tension when you do free motion work. Keep in mind that plate is not just stopping your feed dogs from working... it's holding your materials that far away from the bed of the machine... so when the thread makes a loop and tightens for the stitch it has the extra 1/8th of an inch to make up for... if the tension isn't right... you got loops. There are no "specific" settings for tensions... you learn by doing you stitch a few stitches on like materials and tighten until you see a good stitch.
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.
I don't have the BSR (Bernina Stitch Regulator) and presume you don't either. I have found that I tend to move the fabric to quickly when sewing curves and circles. I did as you did and changed tension, stitch length...everything, but nothing worked. I finally found that the best solution was to SLOW DOWN on the curves. No problem ever since. I hope this helps you. If it does, please let Fixya know by rating my solution!
I assume you are doing free motion quilting? Use the V Menu, choose the first stitch. If you are using the Q Sensor foot or the spring free motion foot, go into the Set menu, hit "More" twice then turn On for either the Q Foot or Free motion. Make sure you have Needle Down turned on (top right-hand button on the left side above the needle). You might need to loosen the top tension by one or two clicks - first screen of the Set menu, under the picture that looks like DNA. A Size 90 needle is probably best and if the quilt is difficult to move about you might like to either use the Sewing Advisor to set for Heavy fabric or lessen the upper presser foot pressure - Set menu once again, next picture after the DNA. I have never had to do this with my D1 but I know some other people have. Get back if things are not working well for you. Pam
I need more info.
>Where is your presser fooot pressure set(1-9) it should be around 4?
>How fast are you free motioning (faster is better? from 1-10 10 being full speed.
>Is your bobbin threaded correctly (I need to cover the basics.)?
>Never never use a needle smaller than a 90/14 for free motion (I know everyone's an expert...but trust me)
After all this, it's OK to tighten your tension up on top a little when free motioning and getting eyelashes/spider webs on bottom. around 6 should do it though.