... for the inspection of object with shape of board, axle and rod, and furcation, such as welding line, shaft, motorcycle, part, ... with shape of board, axle and rod, and furcation. The surface and near-surface bugs of some medium and small accessory can be checked ... , heavy foundry, pressing matrix, natural gas drill pipe, boiler pressure vessel, and so on.3. Technical parameters 1. Field angle: 95 ° 2 ...