Advanced drill bit for simulating drilling method shaft sinking and manufacturing method of advanced drill bit
The invention provides an advance drill bit for simulating drilling method shaft sinking and a manufacturing method of the advance drill bit, and belongs to the technical field of advance drill bits. Comprising a drill bit body, a hobbing cutter, a slag suction pipe, an edge cutter, an arc-shaped st...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides an advance drill bit for simulating drilling method shaft sinking and a manufacturing method of the advance drill bit, and belongs to the technical field of advance drill bits. Comprising a drill bit body, a hobbing cutter, a slag suction pipe, an edge cutter, an arc-shaped structure, a balance hole, a slurry through hole, a slurry inlet hole and a slurry outlet hole, the hobbing cutter is arranged below the drill bit body, and the slag suction pipe is welded to the interior of the drill bit body; the balance hole, the slurry through hole, the slurry inlet hole, the slurry outlet hole and the edge cutter are distributed at the top and the periphery of the drill bit main body, and the front end of the drill bit main body is fixedly connected with the hobbing cutter through a right-angle corner connector and a bolt. According to the advanced drill bit for simulating drilling method shaft sinking and the manufacturing method of the advanced drill bit, the drill bit can be used for simulati |
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