| 摘要 |
PURPOSE:To enable measurement for long time under intense resistance to contamination of mesureing instrument and to detect packing ratio of flux in a welding wire including flux at high accuracy. CONSTITUTION:In the method for detecting the packing ratio of flux in manufacturing process for the welding wire including the flux, recessed groove having almost a fixed shape is formed while running a strip steel 1 in the length direction, and after packing the flux 2 in this recessed groove, by using a displacement sensor 4 for detecting distance of the material to be measured with the position of reflecting light to continuously measure the packing height of flux in the recessed groove, the packing ratio of flux is detected. As the displacement sensor, laser beam type, etc., is used. |
