Pob zeb diamond core bit teeb tsa nto raws li koj xav tau Nmlc, Bq, Hq, Nq

Lub pob zeb diamond teeb tsa saum npoo yog tsim los ntawm ib txheej ntawm cov pob zeb diamond ntuj teeb tsa rau ntawm qhov chaw ntawm lub kaus mom me me nrog lub matrix nyuaj.
Feem ntau, cov pob zeb diamond uas teeb tsa rau saum npoo av yog siv rau kev khawb cov khoom mos mus rau cov khoom tawv. Feem ntau, cov pob zeb diamond uas teeb tsa rau saum npoo av tuaj yeem muab qhov nkag mus tau zoo.
Yuav kom xaiv tau qhov chaw zoo rau cov qauv uas tau tho qhov, peb yuav tsum xav txog cov hauv qab no: qhov loj ntawm pob zeb diamond, qib pob zeb diamond, thiab kev tsim qauv profile.

Lub hauv paus ntsiab lus ntawm kev xaiv qhov loj ntawm pob zeb diamond - cov pob zeb nyuaj dua, qhov loj ntawm pob zeb diamond yuav tsum me dua.

Cov qauv ntawm cov pob zeb core bit:
Ib nrab puag ncig: feem ntau siv rau hauv lub hauv paus nrog lub kerf tuab tsawg dua 11 hli. Nws tuaj yeem tho ntau yam formations. Lub hauv paus nrog ib nrab puag ncig profile muaj lub neej ntev, thiab tuaj yeem zam kev puas tsuaj; thaum lub kerf tuab yog tshaj 11 hli nrog ib nrab puag ncig profile tuaj yeem siv rau hauv kev tho qhov abrasive formations.
Cov qauv kauj ruam: cov ntsis kerf tuab tshaj 11 hli feem ntau muaj hom profile no. Cov ntsis nrog cov qauv kauj ruam tuaj yeem tau txais qhov nkag mus siab nrog kev ruaj khov zoo hauv kev khawb. Txawm li cas los xij, nws tsis pom zoo rau hauv cov pob zeb tawg thiab abrasive formations. Thaum cov ntsis tseem ceeb ntawm cov ntsis kerf tsawg dua 11 hli muaj cov qauv kauj ruam tuaj yeem pab txhawb kev nrawm drilling thiab muaj kev ruaj khov zoo dua.