... controlling constant-length cutting.It adopts pneumatic,photoelectric sensor for controlling transminssion system,with photo,electric,gas together,it has ... converter timing device,auto-matic counting,stop working by alarm magnetic powdertension control,can be cutted vertically,adopt blower ... This macjine can be with 1 roll.4roll loading system. Main technical parameter modelHQJ-1100D(two roll)HQJ-1400D ...