New innovative designs the sharoshechnykh and diamond boring chisels with replaceable high-resistant flushing knots

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Results of researches and tests of reliable innovative designs the sharoshech-nykh and diamond boring chisels for deep drilling with quick-change flushing knots in field conditions which firmness measured by hundreds of hours exceeds firmness of other design data are given and excludes a possibility of washout of knots of nozzles.

Boring sharoshechny chisel, boring diamond chisel, washing of a face, design of flushing knot, hard-alloy wearproof nozzle, elastic sealing rings

Короткий адрес: https://sciup.org/148204673

IDR: 148204673

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