1.automatic stop when weft yarn breaks or bobbin empties. 2.PLC control ,multi-transducer adjustment,smooth running ,low noise 1.About SBY-850x6s Plastic Circular Loom,which can check the signal by high precision sensor and feedback to control system when the weft yarn breaks or bobbin empties. 2.The cam designed with advanced plane cam mechanism,trouey link lever structure,do not need ...