heavy duty union feed double needle cylinder-bed s

Special features and applications This machine with compound feeding of needle, feed dog and presser foot can prevent the slippage of materials and forms neat stitch. Adopt sliding thread take-up, improved vertical double rotating hook and forming two lines of lockstitch. The arm shaft and hook shaft are driven by synchronic tooth belt. Knob-type stitch regulator and lever type reverse feeding mechanism permit convenient operation. And install clutch safe device to prevent the damage Here are the specifications Max sewing speed: 1100 spm and maybe faster Max stitch length: 5.00mm Lift of presser foot: 15mm Working area: 170*650mm