The computer direct-drive synchronous column sewing machine is a column-style industrial sewing machine designed for thick materials. It’s specially developed for 3D bucket-shaped, irregular bent corners, and deep inner cavity workpieces. It comes with a servo direct-drive electronic control system and a three-synchronized feed structure for the needle bar, presser foot, and rack. It also includes full automation features like automatic thread trimming, automatic backstitch, and electrically con