| 摘要 |
PROBLEM TO BE SOLVED: To remove working burr of a large steel material efficiently and easily by fitting a working burr grinding attachment to a car body running on the upper side of a steel material. SOLUTION: A working burr removing device 45 is freely moved on a steel plate 2 by holding a handle 12 and pushing and pulling it. In the case of removing working burr 14 in the steel plate 2, grinding wheels 30, 30 of a working burr grinding attachment 13 are positioned on the upper side of the working burr 14, motors 24, 24 are driven to rotate the grinding wheels 30, 30, a handle 12 is pushed downward to lower the working burr grinding attachment 13, and working burr is removed by the grinding wheels 30, 30. At this time, a rotating motor 33 of a rotary moving device 32 is driven to rotate a support plate 16 to the right and left, so that the grinding wheels 30, 30 are moved to the right and left. |
