![]() If you wind your own bobbins, are they wound correctly? ![]() Is the outside of the rotary hook area smooth?į. Does the throat plate have any rough spots in the needle hole area?Į. Is the thread breaking on more than 1 needle (on the same head)?ĭ. How has the thread been stored? Embroidery thread should be stored in cool, dry conditions away from excessive light. How old is the thread? Old, improperly stored thread will break down and deteriorate. Is the needle going through the center of the needle throat plate? Check with your machine manual or contact your machine tech. Is the needle going through the center of the pressure foot? Check with your machine manual or contact your machine tech. Is the pressure foot nicked, burred or bent? Check with your machine manual or contact your machine tech. Check for burrs and nicks in the following areas: (Fraying)ħ. (Breaking)Īdditional Causes of Thread Breaks and FraysĦ. Is the bobbin case tension spring clear of lint? Run a business card underneath the tension plate to clear out any lint build up. Has the machine been lubricated? Be sure to follow your machine manual’s suggested lubrication schedule for your machine. Is the needle inserted properly? Is the needle eye facing forward? Is it inserted fully? (Breaking and Fraying)Ĥ. Are you using the correct size needle based on the thread you are using? A needle chart is available by clicking here (Fraying)Ĭ. Have you changed the needle recently? A damaged needle may or may not be visible to the naked eye. ![]() Is the top tension too tight? Use the 1/3 - 1/3 - 1/3 rule. Is the machine threaded properly? Try re-threading according to your machine manual. ![]() Thread frays have more to do with burrs and nicks in the thread path.ġ. Thread breaks are usually caused by tension issues, thread path interference, old thread or poor digitizing. ![]() Thread breaks and frays are separate issues. ![]()
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