Tus yuam sij rau kev xaiv cov PDC cutters zoo yog nyob rau hauv "kev sib phim meej". Hais ncaj qha, qhov no txhais tau tias ua kom raug qhov sib dhos ntawm cov cutter's geometric profile - txawm tias nws yog qhov tsim qauv tiaj tus rau qhov ceev tshaj plaws drilling, hom semi-spherical rau kev ruaj khov ntev, lossis qhov nrov zuj zusDaim ntawv sib xyaw ua ke ntawm daim duab peb ceg pob zeb diamond (Benz hom)rau cov qauv sib xyaw ua ke uas nyuaj heev—nrog rau qhov nyuaj ntawm cov qauv. Los ntawm qhov ntawd, koj xaiv qib pob zeb diamond uas sib npaug zoo meej ntawm tus nqi thiab kev ua haujlwm zoo.
Tom ntej no, kuv yuav kawm txog cov yam ntxwv tsis zoo uas tau teev tseg hauv cov lus qhia tshwj xeeb ntawm cov khoom, tshwj xeeb tshaj yog cov kev pauv pauv zais cia uas cov chaw tsim khoom tsis tshua hais txog ua ntej. Qhov no yog qhov uas kev xaiv los ntawm cov kws tshaj lij yeej los ua si.
Vim Li Cas Cov Duab Ntawm Lub Tshuab Txiav Thiaj Tseem Ceeb: Qhov Ua Rau Muaj Kev Tsis Ua Haujlwm Ntawm Lub Tshuab Txiav
Raws li kuv qhov kev paub dhau los hauv kev tswj cov xwm txheej khawb av hauv qhov chaw, kev xaiv cov duab txiav tsis raug feem ntau yog qhov ua rau lub qhov khawb tsis ua haujlwm sai lossis qhov nrawm ntawm kev nkag mus (ROP) tsis zoo. Cia peb tham txog cov lus tseem ceeb thiab mus ncaj qha rau qhov tseem ceeb.
Cov Cutters Flat-Top: Cov "Workhorses" rau Kev Ceev
Cov Xwm Txheej Zoo Tshaj Plaws rau Daim Ntawv Thov:Zoo tagnrho rau cov pob zeb mos mus rau nruab nrab-tawv, tsis sib txhuam xws li shale, av nkos, thiab sandstone. Yog tias qhov ua kom ROP siab tshaj plaws yog qhov tseem ceeb tshaj plaws, qhov no yog koj qhov kev xaiv mus.
Cov Yam Ntxwv Tseem Ceeb:Nws muaj ib qho chaw txiav tiaj tus thiab tawv heev—nws tus qauv tsim yog hais txog kev txiav pob zeb kom zoo.
Cov Lus Ceeb Toom:Qhov txiav ntse ntawd zoo li rab ntaj ob sab. Hauv cov qauv tawv lossis cov txheej sib xyaw, nws yooj yim tawg thiab hnav sai. Rau cov xwm txheej nyuaj no, ntau tus neeg ua haujlwm tam sim no tig mus rau daim ntawv sib xyaw pob zeb diamond triangular (Benz hom) kom yooj yim hloov kho dua.
Cov Cutters Dome/Spherical: Cov Champions Durability
Cov Xwm Txheej Zoo Tshaj Plaws rau Daim Ntawv Thov:Ua rau cov qhov av nyuaj heev—cov pob zeb tawv heev, cov pob zeb sib txhuam heev, lossis cov pob zeb uas muaj kev cuam tshuam loj xws li cov pob zeb conglomerate thiab granite. Tsis zoo li cov tshuab txiav tiaj tiaj, nws tsoo thiab tawg pob zeb es tsis yog txiav nws.
Cov Yam Ntxwv Tseem Ceeb:Muaj lub hau du thiab puag ncig uas tsis muaj ntug ntse, tsim los rau kev ua kom muaj zog dua qhov ceev.
Cov Lus Ceeb Toom:Nws cov ROP qis dua li cov tshuab txiav tiaj tiaj. Yog tias koj lub hom phiaj tseem ceeb yog kom ua kom qhov drilling ceev dua, qhov no tsis yog qhov kev xaiv zoo.
Cov Cutters Conical: Cov Hybrids Sib Npaug
Cov Xwm Txheej Zoo Tshaj Plaws rau Daim Ntawv Thov:Tus neeg ua haujlwm tau ntau yam rau cov qauv nruab nrab-nyuaj mus rau tawv. Nws ntaus qhov sib npaug zoo ntawm ROP thiab kev cuam tshuam tsis kam, ua rau nws yog ib qho ntawm cov qauv siv dav tshaj plaws hauv kev lag luam niaj hnub no.
Cov Yam Ntxwv Tseem Ceeb:Ib lub duab conical ntse uas sib xyaw ua ke qhov kev ua siab tawv ntawm cov txiav tiaj tiaj nrog lub zog ntawm cov spherical.
Daim Ntawv Sib Xyaws Pob Zeb Diamond Triangular (Benz Hom): Cov Kws Tshwj Xeeb Tsim Kho Kom Zoo
Cov Xwm Txheej Zoo Tshaj Plaws rau Daim Ntawv Thov:Tsim los rau cov pob zeb sib xyaw ua ke nrog cov txheej mos thiab tawv sib hloov, lossis cov pob zeb uas muaj qhov tawv tsis sib xws. Nws cov duab peb ceg tshwj xeeb (hu ua "Benz hom" rau nws qhov sib npaug peb sab) zoo heev hauv kev txiav pob zeb mos thiab tiv taus kev cuam tshuam hauv cov pob zeb tawv.
Cov Yam Ntxwv Tseem Ceeb:Peb lub ntug txiav sib txawv uas faib kev ntxhov siab kom sib npaug, txo qhov kev pheej hmoo ntawm kev tawg piv rau cov txiav tiaj tiaj. Tus qauv peb ceg kuj ua rau cov khib nyiab tawm mus, tiv thaiv cov ntsis pob hauv cov av nplaum nplua nuj.
Cov Lus Ceeb Toom:Qhov nyuaj ntawm kev tsim khoom ua rau nws kim dua li cov hom ib txwm muaj. Kev sib phim ntawm chamfer thiab rake angle yog qhov tseem ceeb rau kev ua kom nws ua tau zoo tshaj plaws - qhov chaw teeb tsa tsis zoo tuaj yeem ua rau nws tsis zoo.
Kev Kho Kom Zoo Nrog Chamfers thiab Rake Angles
Dhau li ntawm cov duab yooj yim, ob qho kev ntsuas me me ua rau muaj qhov sib txawv loj hauv kev ua tau zoo: chamfers thiab rake angles. Qhov no yog qhov tseeb tshwj xeeb rau cov qauv tsim tshwj xeeb xws liDaim ntawv sib xyaw ua ke ntawm daim duab peb ceg pob zeb diamond (Benz hom), qhov twg qhov kev sib phim parameter ncaj qha cuam tshuam rau lub neej ntawm ntug thiab kev ua haujlwm ntawm qhov drilling.
Cov Chamfers:Qhov me me bevel raws ntug txiav. Tsis txhob saib tsis taus qhov no - cov chamfers loj dua ua rau ntug muaj zog thiab tiv taus kev cuam tshuam, tab sis koj yuav txi me ntsis ntawm kev txiav aggressively rov qab. Rau cov ntawv sib xyaw ua ke pob zeb diamond triangular (Benz hom), 0.8-1.2 hli chamfer raug pom zoo rau feem ntau cov qauv sib xyaw kom tiv thaiv nws peb ntug txiav.
Cov ces kaum ntawm lub kaum sab xis:Lub kaum sab xis ntawm qhov chaw txiav thiab lub ntsej muag pob zeb. Lub kaum sab xis zoo ua rau muaj kev sib zog ntau dua (zoo meej rau pob zeb mos), thaum lub kaum sab xis tsis zoo ua rau muaj cov qauv ruaj khov dua (zoo tagnrho rau cov pob zeb tawv). Rau cov ntawv sib xyaw ua ke pob zeb diamond triangular (hom Benz) siv rau hauv cov pob zeb sib xyaw, lub kaum sab xis tsis zoo me ntsis (-5° txog -10°) feem ntau nyiam dua los sib npaug kev sib zog thiab kev ruaj khov.
Nov yog kuv txoj cai yooj yim: Pib nrog daim ntawv qhia txog geological kom xauv rau hauv cov duab txiav yooj yim (tiaj tus, kheej kheej, conical, lossis pob zeb diamond triangular (Benz hom) composite sheet), tom qab ntawd kho kom zoo siv chamfers thiab rake angles. Nws zoo li ua noj ua haus - koj xaiv cov khoom xyaw tseem ceeb ua ntej, tom qab ntawd kho qhov kub nrog ob qho kev ntsuas no kom tau txais qhov tshwm sim zoo meej.
Xaiv Qib thiab Qhov Zoo ntawm Lub Tshuab Txiav Uas Yog
Yog tias cov duab ntawm lub tshuab txiav txiav txim siab seb koj tuaj yeem ua cov qauv twg, qib txiav txiav qhia tias koj yuav ua tau zoo npaum li cas hauv cov qauv ntawd. Rau cov qauv tsim tshwj xeeb xws li daim ntawv sib xyaw ua ke pob zeb diamond triangular (Benz hom), kev xaiv qib tseem ceeb dua - qib pob zeb diamond subpar tuaj yeem pov tseg nws cov txiaj ntsig ntawm cov qauv.
Qhov Loj thiab Qib ntawm Pob Zeb Diamond:Pob zeb diamond loj txiav sai dua tab sis tsis yooj yim puas; pob zeb diamond me me txiav tsis zoo. Cov chaw muag khoom zoo tshaj plaws muaj ntau qib sib txawv, cia koj sib npaug tus nqi thiab kev ua tau zoo rau cov xwm txheej ua haujlwm hnyav.Daim ntawv sib xyaw ua ke ntawm daim duab peb ceg pob zeb diamond (Benz hom)siv rau hauv cov khoom sib xyaw ua ke, qib nplej nruab nrab-zoo yog qhov pom zoo kom sib npaug qhov ceev txiav thiab kev tiv thaiv kev hnav.
Kev Ruaj Ntseg Thermal:Qhov no yog "lub plawv" ntawm lub tshuab txiav PDC. Hauv cov qhov dej tob uas kub heev, cov tshuab txiav PDC txheem (uas feem ntau tiv taus txog li 750 ° C) feem ntau ua tsis tiav vim tias cov hlau catalyst ua rau pob zeb diamond graphitization. Ib txwm qhia cov tshuab txiav qib siab uas tau dhau los ntawm kev tshem tawm (leaching) - qhov no tshem tawm cov catalyst, ua rau muaj kev ruaj khov thermal mus txog 1200 ° C. Qhov no tsis tuaj yeem sib tham rau cov ntawv sib xyaw pob zeb diamond triangular (Benz hom) siv rau hauv kev ua haujlwm tob, vim tias nws cov qauv nyuaj yog qhov yooj yim dua rau kev puas tsuaj thermal.
Kev Tswj Xyuas Zoo (QC):Cov chaw tsim khoom txhim khu kev qha siv cov txheej txheem QC nruj, xws li kev sim tshuab ntsug (VTL) los ntsuas kev hnav tsis kam thiab lub zog cuam tshuam. Ua kom kev thov cov ntaub ntawv QC ua ib kauj ruam txheem hauv koj cov txheej txheem yuav khoom. Rau cov ntawv sib xyaw ua ke ntawm pob zeb diamond triangular (Benz hom), them sai sai rau cov ntaub ntawv QC ntawm kev sib npaug ntawm ntug thiab qhov tuab sib xws - qhov sib txawv me me tuaj yeem cuam tshuam rau kev ruaj khov ntawm kev khawb.
5 Cov Lus Nug Tseem Ceeb Uas Yuav Tsum Nug Cov Neeg Muag Khoom Ua Ntej Kos Npe
Tsis txhob maj nrawm rau hauv daim ntawv cog lus. Pib los ntawm kev nug cov lus nug no kom ntsuas qhov kev txawj ntse ntawm tus neeg muag khoom:
- Raws li kuv daim ntawv qhia txog kev tsim (uas suav nrog kev sib xyaw ua ke ntawm cov mos mos thiab tawv), cov duab txiav twg—xws li sebDaim ntawv sib xyaw ua ke ntawm daim duab peb ceg pob zeb diamond (Benz hom)puas tsim nyog - thiab koj puas pom zoo kom siv chamfer ua ke - thiab qhov laj thawj tom qab ntawd yog dab tsi?
- Cov khoom no muaj kev ruaj khov thermal npaum li cas, thiab nws puas tau dhau los ntawm kev kho leaching? Rau cov ntawv sib xyaw ua ke diamond triangular (Benz hom), koj yuav ua li cas kom ntseeg tau tias thermal uniformity thoob plaws peb ntug txiav?
- Koj puas muab tau cov ntaub ntawv hauv daim teb lossis cov ntaub ntawv tshawb fawb txog cov tshuab txiav no—tshwj xeeb tshaj yog cov ntawv sib xyaw ua ke ntawm daim duab peb ceg (hom Benz)—siv rau hauv cov xwm txheej zoo sib xws?
- Koj ua li cas thiaj xyuas kom meej tias muaj kev sib xws thoob plaws cov pawg ntau lawm? Rau cov ntawv sib xyaw ua ke ntawm daim duab peb ceg (Benz hom), koj muaj kev tswj xyuas zoo li cas rau kev sib npaug ntawm ntug thiab qhov tuab sib xws? Koj puas tuaj yeem qhia kuv txog koj cov txheej txheem QC?
- Yog tias peb ntsib teeb meem ua ntej lub sijhawm, koj qhov kev pabcuam kev txawj thiab kev tshuaj xyuas qhov ua tsis tiav yog dab tsi?Daim ntawv sib xyaw ua ke ntawm daim duab peb ceg pob zeb diamond (Benz hom), koj puas muaj cov cuab yeej tshwj xeeb los txheeb xyuas cov parameter tsis sib xws piv rau cov khoom tsis zoo?
Cov Txheej Txheem Tsim Khoom PDC Cutter & Kev Tshawb Fawb Txog Kev Txiav Txim Siab
Cov Ntsiab Lus Tseem Ceeb ntawm Cov Txheej Txheem
Hais yooj yim xwb, cov hmoov pob zeb diamond hluavtaws qib micron raug sintered rau ntawm lub hauv paus tungsten carbide nyob rau hauv cov xwm txheej hnyav - siab tshaj 5.5 GPa thiab kub li ntawm 1400 ° C. Cov hlau catalyst (feem ntau yog cobalt) hauv lub hauv paus yaj thiab nkag mus rau hauv txheej pob zeb diamond, forging cov bonds muaj zog ntawm cov noob pob zeb diamond. Qhov kawg yog ib txheej pob zeb diamond polycrystalline ntom ntom. Rau cov ntawv sib xyaw pob zeb diamond triangular (Benz hom), yuav tsum muaj ib kauj ruam sib tsoo precision ntxiv kom ntseeg tau tias peb sab yog symmetrical thiab lub kaum sab xis raug ua raws li qhov yuav tsum tau tsim - kauj ruam no yog qhov sib txawv tseem ceeb ntawm cov khoom zoo thiab cov khoom qis dua.
Kev Tshawb Fawb Txog Kev Tshawb Fawb
Kev Tshawb Fawb thiab Kev Txhim Kho tam sim no tsom mus rau peb qhov tseem ceeb: kev tsim cov pob zeb diamond uas tsis muaj catalyst, kev ua kom zoo dua qhov sib txuas ntawm cov khoom sib txuas (piv txwv li, cov khoom sib txuas uas tsis yog planar) los daws cov kev ntxhov siab seem los ntawm kev sib txawv ntawm thermal expansion, thiab kev koom ua ke ntawm cov khoom siv nano los txhim kho kev tawv. Rau Daim ntawv sib xyaw ua ke ntawm daim duab peb ceg pob zeb diamond (Benz hom), kev tshawb fawb uas tseem tab tom tshawb nrhiav yuav ua li cas kom txo cov nqi tsim khoom thaum tswj hwm qhov tseeb ntawm ntug, thiab yuav ua li cas kom txhim kho nws qhov kev tiv thaiv kev cuam tshuam hauv cov interbeds ultra-hard. Cov no yuav zoo li kev kawm, tab sis yav tom ntej kev dhia hauv kev ua haujlwm drilling - tshwj xeeb tshaj yog hauv cov formations nyuaj - yuav los ntawm cov kev hloov pauv ntxaws ntxaws no.
Txog Tus Sau
Kuv yog Billy, ib tug kws pab tswv yim ywj pheej txog kev siv tshuab drilling uas muaj ntau tshaj 19 xyoo hauv kev lag luam fais fab. Kuv txoj haujlwm pib ua tus kws ua haujlwm hauv thaj chaw - qhov kev paub no tau muab kev nkag siab txog kev ua haujlwm ntawm cov khoom siv hauv qhov av, tsis yog tsuas yog nws tau muag li cas ntawm cov ntawv spec. Kuv tau ua haujlwm ntau nrog cov ntawv sib xyaw ua ke ntawm pob zeb diamond triangular (Benz hom) hauv cov haujlwm nyuaj ntawm ntau lub pas dej, pab cov neeg ua haujlwm daws teeb meem kev ua haujlwm tsis zoo thiab cov teeb meem tsis ua haujlwm ntawm lub tshuab txiav.
Txij thaum ntawd los, kuv tau qhia cov neeg ua haujlwm roj thiab roj av loj txog kev txiav txim siab yuav khoom ntau lab daus las. Niaj hnub no, kuv lub hom phiaj yog qhia qhov kev txawj ntse no: Kuv txuas qhov sib txawv ntawm cov lus thov ntawm cov chaw tsim khoom thiab kev ua tau zoo hauv ntiaj teb tiag tiag, pab cov engineers thiab cov thawj coj yuav khoom ua cov kev xaiv uas txhawb nqa kev ua haujlwm zoo thiab tiv thaiv lawv cov nyiaj tau los.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-22-2025
