Centering rotary power drilling tool for removing welding spots and welding spot removing method
The invention relates to a centering rotary power drilling tool for removing welding spots and a welding spot removing method, and belongs to the technical field of handheld trepanning drilling tools. Comprising a drilling tool body which comprises a shell and a driving motor which is located in the...
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| creator | XUE HAIPENG CHEN ZHIJUN YANG KAIJIANG ZHENG QINGQING WANG BIN |
| description | The invention relates to a centering rotary power drilling tool for removing welding spots and a welding spot removing method, and belongs to the technical field of handheld trepanning drilling tools. Comprising a drilling tool body which comprises a shell and a driving motor which is located in the shell and rotates; the drill bit clamp is of a hollow pipe body structure, one end of the drill bit clamp is rotationally connected into the shell, and the drill bit clamp rotates along with the driving motor; the trepanning drill bit is of a hollow pipe body structure, and one end of the trepanning drill bit and the other end of the drill bit clamp are coaxially connected and synchronously rotate; the centering needle rod extends into the drill bit clamp and the trepanning drill bit, and a tip is arranged at the front end of the centering needle rod and linearly moves in the drill bit clamp and the trepanning drill bit; the hammering mechanism is located in the shell and connected with the rear end of the centeri |
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| subjects | BORING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS TRANSPORTING TURNING |
| title | Centering rotary power drilling tool for removing welding spots and welding spot removing method |
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