Neftyanoe Khozyaistvo, No.9, 12-14, 1998
On the influence of rubber-steel axial bearing wear on turbodrill power output parameters
The researches have been conducted on the influence of axial rubber-steel thrust bearing wear under different pressure drops across drilling hit on turbodrill power output parameters; Presented are results of 3TSCH1-195 turbodrill tests with different degree of rubber-steel thrust bearing wear and of turbodrill, equipped with etalonic spherical bit shuft.