Computer Controlled Straight Button Hole Machine (1790)
1.using step motor in feed mechanism and needle mechanism, the minimum incremen can reach 0.05mm to realize perfect and stitch. 2.It is possible to set sewing speed to front 5 stitch by panel to realize low speed switch on function,to avoid thread 3.With electrical contronl,For the final serval stitches when Bar tacking which can precent the thread of front the buttonhole 4.With the adjustment of tension solenoid,it is possible to meet the needle of different tesion at the parallel part and bartack part of buttonhole Refit Fittings ,Motorcycle For Brake Lever,Brake Lever,Color Brake Lever Ruian Leimeng locomotive parts Co., Ltd , https://www.leimenglocomotive.com