Winding a bobbin using a drill (Source: Pinterest) But if you don’t own a sewing machine (and hope to farm the job out to someone else), try a drill. Without a doubt, this is the fastest and easiest way we’ve found to bobbin threads. Simply grab the bobbin in the drill chuck ...
Influence of the parameters of the bobbin on the friction between the unwinding thread and the plastic sticks of the rubber bushing in the sewing machine The article provides a structural diagram and the principle of operation of a composite bobbin with an elastic sleeve and plastic sticks. An ...