System for supervising piping work

摘要

The invention relates to a method of automatically tightening up pipe joints with a tightening machine (24), which is characterized by the steps of checking where the tightening data is proper and accumulating predetermined values of tightening conditions, actual tightening data and result of checking by means of a tightening data processor (25) provided in the tightening machine (24), and accumulating the tightening data and the result of checking by a host computer (4) connected to the processor (25) by a communication means. IMAGE