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        Drill pipe friction welding repair machine (inner bore grinding)


         

         

        HY-6 drill pipe repairing machine is auto controlled by PLC, used in grinding upsetting transitional zone (caused by frition-welding) of the drill pipe inner bore. Compared with manual repairing machine, it can reduced labor intensity and reduce the dust harm to operator, protect the health of worker, improve working efficiency and grinding quality. 

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