This small, usually metallic or plastic element homes the bobbin, the decrease thread supply in a stitching machine manufactured by a selected firm. It matches exactly inside the machine, offering stress management and guaranteeing the bobbin thread interacts accurately with the needle thread to create stitches. Variations exist relying on the particular mannequin and its supposed use.
Correct perform of this element is essential for constant sew high quality. A broken or incorrectly put in unit can result in thread jams, skipped stitches, or uneven stress, affecting the general integrity of the sewn venture. This underscores the significance of utilizing the proper kind for the designated mannequin and sustaining it in good working order. Over time, these parts have advanced alongside stitching machine know-how, bettering thread supply and sew consistency.