| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric power tool capable of automatically changing a revolving speed of an electric motor depending on work conditions.SOLUTION: An electric power tool 11 performs operations such as grinding, separation and cutting by swinging a tip tool 13, which is attached to a tool holding part 31, within a range of a predetermined angle by power of an electric motor 12. The electric power tool 11 includes a control device that indirectly detects a load of the tip tool 13 from a current value and that controls the revolving speed of the electric motor 12 to maximum and minimum revolving speeds depending on the load of the tip tool 13. |
