PDC rock bit 5 1/2 santimetero 139.7mm S1605 3 1/2 REG yo gucukura amariba y'amavuta menshi

Uduce tw’amabuye twa PDC ni indashyikirwa mu gucukura amariba y’amavuta hamwe n’uducukura twa diyama twa polycrystalline dukomeye, bigatuma tudashobora kwangirika cyane kandi tukamara igihe kirekire. Dutanga uburyo bworoshye bwo kwinjira mu buryo bworoshye cyangwa buri hagati, bikagabanya igihe cyo gucukura n’ikiguzi cyo gucukura. Bitewe n’ubudahangarwa bukomeye n’imikorere ihamye, bimenyera imiterere y’ubutaka igoye, bigatanga amariba meza kandi bigagabanya igihe cyo gucukura. Utu duce twongera ubushobozi bwo gucukura, kwizerwa, n’inyungu z’ubukungu mu bikorwa bya peteroli.