The utility model relates to a tungsten carbide fine-tuning boring single-edged tool in hole machining , including blade and shank, characterized in that: the knife blade built sliding clamp, slide clamp on fixed trimming knife nut, fine tuning screw by limiting bit nuts, bushings and cutter body connection limit, the fine-tuning of the fine tuning screw nut consisting of a pair of threaded drive mechanism, the ends of the slide tool holder shank set there by tightening the locking screw fixed blade the end portion of the holder is placed. One end of the screw is provided with a fine adjustment knob is mounted between the knob and the stop nut belleville springs.
Compared with the existing fine-tuning fine boring tool, the tungsten carbide fine-tuning boring single-edged tool’s structure is compact, easy to adjust using screw drive mechanism, tungsten carbide fine-tuning boring single-edged tool hole range from φ2mm to φ150mm, each rotating dial a cell with an accuracy of 0.01mm, a large adjustment range, high adjustment accuracy.
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