Automatic   carving  pipe  machine Function: it is widely applied in forming  the decorative tracery om the surface of tubular  jewelry Features:the  best  equipment  of making decorative  tracery continuiously  on  the surface  of  hollow tubular .it can produce  different  kinds of decorative pattern  on  the surface  of  the hollow  tubular（including circular tube and hexagen sock pipe） such as screw thread，screw thread crosswire,starry sky,ect.There  are more  than 30 kinds of  pattern .Work  faster，performance  stable Power supply:AC220V 50-60HZ  
Dimension:1200*600*1630mm Diameter  of  the  processing  product:3-11mm
Guarantee: 1 year
Packing : standard wooden case，1 machine with protection and operation manual