single needle, unison feed, flatbed sewing machine

single needle, unison feed, flatbed sewing machine.(Extra-large hook) (automatic under trimming &back tacking, pneumatic presser foot lifting) (for heavy materials)(large type)

The button switch with the immobile function, utilizing the small round button B, could change the function of square button A to the touch-control switch C, easy operation.

The newly designed under trimming mechanism, applied with the close up type of lubrication, could decrease the wornout of parts &increase the working efficiency.

S.P.M.: 3500

Max.stitch length: 12mm

Lift of presser foot (knee): 20mm

Needle system : DP*17#21(#18~#23)

Needle bar stroke: 40mm

Alternating movement: 9mm

The special movement mechanism of bobbin case opener case opener (1 stitch, 1 movement stroke), with the slowdown type of closing, could lower strike-sound & avoid the wornout of parts.