Why does cotton snap on a sewing machine?

There are a few reasons that come to mind in regards to thread breakage. 1. Your tension dials may be set too tightly, try a lower setting and then doing some test stitching. 2) Your machine may not be threaded 100% correctly. read more

4) Sometimes it is nothing to do with the machine at all, the thread may just be of inferior quality or be too old. To test if this is the problem, take a length of your thread and pull it in your hands to try and break it. read more

I do some repairs for my sewing students, mostly on Singers but have done limited work on Pfaffs and this sounds as though there is a broken part internally and/or thread(s) bits caught up in several places through the inside of the machine. read more

there are so many cause due to that cotton breaking on your sewing machine. problem with the tension:- you need to completely remove the thread again set it properly. Wrong size needle for fabric:- You must be select the needle according to your fabric. read more