Application to common sewing (ex-heavy materials)such as leather, leatherette, canvas, mattress, sofas, luggage.
1. Needle bar linkage up and bottom feed structure and presser foot alternating elevation to smooth feed.
2. Adopt big hook to save the time of bottom line changing.
3. Automatic lubrication system, maximum speed up to 2000rpm.
4. New sewing structure to ensure low tension sewing.
5.Automatic sealed lubrication in elevation axic and swing axic in presser foot. Heighten design in rear cover to avoid oil leakage.