mh-481 mh-481-54 mh-481 mh-481-54 the machine comes with a silicon oil lubricating ... -weight materials the appearance of the machine is restyled and it is now colored in a ... foot the thread spreader is for reverse feed stitching it also plays an important ... role during normal feed stitching helping create finished seams ... and preventing stitch skipping the machine is provided with mechanisms to enable ... upgraded sewing the machine comes with a thread spreading mechanism ... thread draw-out mechanism enable the machine to leave thread of a uniform length ... these mechanisms contribute to upgraded sewing safety stitching or reverse feed ... of preventing loose stitches or reverse feed stitching back-tacking can be ... of the stopper of the reverse feed lever either sewing method can be used ...
specifications model name feed system max sewing speed stitch length ... top-feed amount differential-feed ratio lift of the presser foot needle ... mh-481-54 mh-484 mh-484-54 mh-486-54 bottom and variable top-feed 4,500rpm main ... feed 1~4mm differential-feed 1~5.6mm max gathering stitching 1 3 ... stitch/reverse stitching by feed lever inclined crank 21.5mm 3.2mm 1 1~ ... 5mm by knee 7mm 33mm tv × 7 11 #9 21 bottom-feed 5,500rpm differential-feed 1 from ... 500rpm to the max sewing speed determined by the pulley used ... confirmation table with types of machines specification confirmation table with ... types of machines model name condensation stitch reverse ... maintenance service of the industrial sewing machines household sewing machines and ...