Recent Blogs
Four-Motion Sewing Feed: Average Speed Calculator | FIRGELLI
See rise, advance, fall and return, and compare ideal average fabric feed from stitch length and three rates. Machine limits and timing are separate.
Sewing-machine Feed Bar Mechanism Explained: Four-Motion Feed, Parts, Diagram & Timing
How a Sewing Machine Feed Bar drives the feed dog through its 4-motion path to advance fabric — geometry, timing, troubleshooting, and a worked stitch-pitch...