X-ray digital imaging system (dr - digital radiograph) by imaging, x-ray machine, the x-ray machine synchronous control unit, with the highest detection sensitivity of the high-tech equipment. All digital radiographic testing standard, including welding, casting, corrosion testing standards, including metal, nonmetal and composite materials testing a variety of purposes, such as widely used in aviation, spaceflight, automobile, electric power, petroleum, chemical industry, pharmacy, special inspection, etc. High reliability, long life, low failure rate, high resolution, high resolution detector humanized design software, the interface is simple, easy to operate, according to the test requirements, develop software functions X-ray real-time imaging cylinder welding seam detection Scope of application and main technical parameter 1 main application: used in cylinders and all kinds of metal materials internal welding defects, such as blow hole, shrinkage cavity, porosity, crack, weld defects, etc. 2�checked the product size: Size: 100-800 - mm diameter or less;height 600-2200 - mm or less 3�the x-ray flaw detecting closed refrigeration, has forced cooling, the flow protection, temperature protection and self protection tube temperature 40 ?? or less and the capacity to ensure that equipment work continuously. 59 "x-ray real-time imaging system (xsc9b) or varian1313 flat-panel detector.