1. This machine is specially designed for stitching various irregulary-shaped items such as concave, convex, spheroidal, tubular, bowl-like, etc. which can not be done by a conventional flat bed, needle plate platform sewing machine.
2. New type rotary take-up ensures uniform thread tensions at low tension settings.
3. Off-center axis hook has been adopted which reducing skip stitching and thread breakage considerably.
4. Hemmer & folder are optional.
5. Specially designed temporary storage for oil that convey to the bobbin. Flow of oil valve can micro-adjusted freely.
6. Elastic & lace feeding device for zig=zag sewing machine, special for sewing high quality ladies' & gentlemen's underwear.(optional)
7. Gear pump type fully automatic lubrication system ensures stable flow of oil to the hook under pressure at all speeds.
Specifications: 1. Max. speed: 3600spm. 2. Max. bight: 5.0mm. 3. Max. stitch length: 2.0mm(13spi).