Design and Application of Special Gamma Ray Testing Tool for Butt Joint of Small Diameter Tube

The fix of gamma ray source in the process of radiographic testing of commonly used small butt joint has disadvantages. Through analysis and research, a specialized tool set was designed for the gamma radiation detection of small tube butt joint, which solved the problem of how to fix the ray source in a fast, accurate, stable manner and to maintain appropriate focus, thus improving the work efficiency and work safety.