Sew a trial seam on scrap fabric. The thread, the needle, the fabric, and the machine can all contribute to small challenges.You may need to rely on some trial and error until you get it just right. Some suggest that a professional sewing machine repair person make these adjustments when needed. Check the tension spring for China wholesale Labeling Machine manufacturers any debris or lint that may have collected under it and clean it out. You should feel very little resistance.Examine the stitch quality. Place it back in its carrier. Narrowing and shortening the zig zag stitch can also help. Sew a straight stich and then a medium zig zag. Is there more resistance Good.When you understand how your sewing machine tensions work, you can adjust them with confidence.Next, adjust the upper tension to equalize the lower tension. Slide the thread under the tension spring. The thread should flow smoothly. Minimize the flaws by setting tensions to keep the flaw on the underside instead of the facing side of the fabric.In those rare instances where your best efforts fail, you can always rely on your local sewing machine repair technician. Is the thread wound evenly It should be.If the upper team pulls harder than the lower team, excess threads pop up on top of the fabric.. Once you reach the needle, gently draw on the thread two or three inches.Take your bobbin out. Ignore the numbers on the tension dial, unless they are really low or really high.Be intentional and careful to insure everything is just right. If you have good tension with straight stitches, but one side of the zig zag is still not just right.Sometimes things just do not work perfectly. Now drop the presser foot, and test again. In this case you may need to disassemble the tension assembly to make the repair, or have a technician to do. Watch out for rough spots.Avoid frustration Avoid sewing on finish fabric, until you have confidence that your stitch quality is what it should be.? Begin your corrective efforts by rethreading the upper thread.? Continue making slight adjustments until your get a stitch that pleases you.? Watch out for anything that might snag the thread.? Check to make sure not lint or gunk has messed gotten stuck between the tension discs.? Remember to lift the presser foot while threading.? This usually does not require adjustment unless you change the size of thread significantly. Some of these issues can be resolved by using better thread, replacing the needle, using the right needle, or using better fabric.?? Remember, your goal is to provide the same or equal tension from the upper and lower threads.? Usually, you will see bubbles, balls, or bunches? of thread almost as soon as they stitch.? Test it to make sure there is? moderate resistance on the thread
