The method of application of a level detection of offloading on diamond stratum PDC is resulted, outcomes of a trial of laminas with a figurate emulsion carrier on a shearing are introduced, its advantage in comparison ...

The procedure of definition of coordinates of the power center of a diamond bit is developed. Calculations are executed and the actual arrangement of the power centers in used bits and drill heads is shown. New tools with ...

It is shown, that equipment of boring tools by inserts of the cylindrical form results in uneven equipment and uneven wear of a working part. The form of wear of a working surface repeats the form of a curve of factor ...

Dependence for definition of loading on inserts of the calibrator is received. Calibrators of a new design with the increased number of faltering blades and hydraulic ring apertures between them are developed. Resistance ...