Uyilo lwanamhlanje lwePDC drill Bits njenge-matrix ifana kancinci naleyo yeminyaka embalwa eyadlulayo. Amandla okuqina kunye nokuchasana kwempembelelo kuye kwanda ubuncinane nge-33%, kwaye amandla e-cutter brazes anyuke nge-≈80%. Kwangaxeshanye, iijiyometri kunye netekhnoloji yezakhiwo ezixhasayo ziye zaphucuka, zikhokelela kwiimveliso zematrix ezinamandla nezinemveliso.
Izinto zokusika
I-PDC Cutters zenziwe kwi-carbide substrate kunye ne-diamond grit. Ubushushu obuphezulu obujikeleze i-2800 degrees kunye noxinzelelo oluphezulu malunga ne-1,000,000 yepsi yenza i-compact. I-cobalt alloy nayo isebenza njenge-catalyst yenkqubo ye-sintering. I-cobalt inceda ukudibanisa i-carbide kunye nedayimane.
Inani labasiki
Sidla ngokusebenzisa izisiki ezimbalwa kwiibhithi ezithambileyo zePDC njengoko umsiki ngamnye esusa ubunzulu obukhulu bokusika. Ukwakheka okuqinileyo, kubalulekile ukusebenzisa abasiki abaninzi ukubuyisela ubunzulu obuncinci bokusikwa.
I-PDC Drill Bits-Ubungakanani beeCutters
Kulwakhiwo oluthambileyo, sikholisa ukukhetha abasiki abakhulu kunokwakheka okuqinileyo. Ngokuqhelekileyo, uluhlu oluqhelekileyo lweesayizi lusuka kwi-8 mm ukuya kwi-19 mm nakubani na.
Sichaza ngokubanzi irekhi yokusika irekhi yokuqhelaniswa nerekhi yangasemva kunye nee-engile zehariki ezisecaleni.
● Ireki yokusika umva yi-engile evezwa bubuso bomsiki ukuya kulwakhiwo kwaye ilinganiswa ukusuka nkqo. Ii-engile zeraki ngasemva ziyahluka phakathi, ngokuqhelekileyo, 15° ukuya kuma-45°. Azitshintshi kwisuntswana ukuya kwisuntswana. Ubukhulu be-engile yokusika iraki ye-PDC drill bits ichaphazela i-Penetration Rate (ROP) kunye nokumelana nokusika ukunxiba. Njengoko i-angle ye-rake ikhula, i-ROP iyancipha, kodwa ukuxhathisa ukunxiba kuyanda njengoko umthwalo osetyenzisiweyo ngoku usasazwa kwindawo enkulu kakhulu. Abasiki bePDC abaneerakhi ezincinci zasemva bathatha ubunzulu obukhulu bokusikwa kwaye ngenxa yoko banobundlobongela, bavelisa iTorque ephezulu, kwaye baxhomekeke ekunxityweni okukhawulezileyo kunye nomngcipheko omkhulu womonakalo wempembelelo.
●Irekhi yecala lokusika ngumlinganiselo olinganayo wokuqhelaniswa nomsiki ukusuka ekhohlo ukuya ekunene. Ii-engile zeraki ezisecaleni zihlala zincinci. I-engile yeraki esecaleni inceda ukucocwa komngxuma ngokusalathisa ngomatshini ukusika kwi-annulus.
Ixesha lokuposa: Aug-10-2023