... vibraion when machine working.2.using 20frames machenical dobby working on machine,can joint the tucking device and electric dobby according ... which can easily using for the 52,62,72,84inch fabric working.6.using 2 cloth press beam in front,7 ... drop in and heald wires ,which can easily working on the fabric.8.powerful motor carry keep machien working 200-230 rpm ...