Hole internal processing integrated cutter and processing technique thereof
2014
The invention discloses a hole internal processing integrated cutter and a processing technique thereof. The cutter comprises a cutter handle, a cutter body and a forming cutter blade; the cutter handle is positioned at one end of the cutter body; the forming cutter blade is positioned at the other end of the cutter body; the forming cutter blade comprises a step hole forming reamer and a groove forming knife; the groove forming knife is arranged at the outer end of the cutter body; the step hole forming reamer is positioned at the inner side of the groove forming knife; the outer diameter of the step hole forming reamer is greater than the outer diameter of the groove forming knife. The processing technique comprises the following steps of positioning a to-be-processed workpiece, enabling a to-be-processed hole to be straight up, and fixing the cutter on a machine tool spindle; processing an annular groove in a manner that the cutter moves by virtue of circular interpolation; enabling the centers of the machine tool spindle and the cutter to return to the center of the to-be-processed hole, and processing a step hole in a manner that the cutter downwards performs cutting by virtue of linear interpolation; retracting the cutter. Replacement of different cutters is not needed, the positioning times of the cutter are reduced, the processing precision is improved, the processing process is simplified, and the processing efficiency is improved.
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