Fahimtar Fasaha Bayan PDC Bits
1) Halayen tsarin na PDC rawar soja
Farashin PDC sun hada da rawar jiki, PDC yankan hakora da nozzles. An kasu kashi biyu jerin: karfe jiki da matrix jiki bisa daban-daban Tsarin da masana'antu tafiyar matakai. Dukan jikin bitar na PDC mai tsauri an yi shi da matsakaicin ƙarfe na carbon kuma ana sarrafa shi ta amfani da hanyoyin masana'anta. Hana ramuka akan filin aiki na rawar rawar soja kuma a ɗaure PDC yankan haƙora zuwa kambi na rawar sojan tare da dacewa da latsawa. Ana kula da kambi na rawar rawar jiki tare da tsari mai ƙarfi (spraying tungsten carbide wear-resistant Layer, carburizing, da dai sauransu) don haɓaka juriya na zaizayar sa. Babban amfani da wannan rawar sojan shine cewa tsarin masana'antu yana da sauƙi; illar ita ce, jikin da ba ya jure wa zaizayewa kuma yankan hakora yana da wuyar tabbatarwa, don haka a halin yanzu ba kasafai ake amfani da shi ba. Babban ɓangaren matrix PDC drill bit jiki ne na ƙarfe, kuma ɓangaren ƙasa kuma shine tungsten carbide wear-resistant gami matrix, wanda aka kera kuma aka kafa ta hanyar amfani da foda karfe sintering tsari. Yi amfani da siyar mai ƙarancin zafin jiki don walda ɓangarorin yankan haƙora na PDC zuwa tsagi da aka tanada a cikin gawa. Tungsten carbide matrix yana da tsayin daka kuma yana da juriya ga yazawa. Saboda haka, matrix PDC drill bit yana da tsawon rai da babban fim, kuma a halin yanzu ana amfani da shi sosai.
2) Ka'idar aiki na PDC drill bit
PDC drill bits suna karya duwatsu ta hanyar yanke. Hakora masu kaifi da kai na iya yankewa cikin sauƙi a cikin samuwar ƙarƙashin aikin matsin hakowa, kuma su ci gaba don jujjuya dutsen a ƙarƙashin aikin juzu'i. Yawan yankan hakora na PDC da yawa suna aiki a lokaci guda, kuma dutsen da ke ƙasan rijiyar yana da filaye masu yawa kyauta, kuma dutsen yana da sauƙi a karye a ƙarƙashin juzu'i, don haka ƙarfin fashewar dutsen yana da yawa kuma saurin hakowa yana da sauri.
3) Daidaita amfani da raƙuman PDC
Matsakaicin rawar soja na PDC suna aiki mafi kyau a cikin manyan sassan sifofi masu laushi zuwa matsakaici-wuya. Ba dace da hakowa tsakuwa yadudduka da taushi da wuya strata. Yin amfani da ƙananan hawan hakowa, babban gudu da manyan hakowa na ƙaura, ƙwanƙwasa yana da tasiri mai kyau.
Kafin haƙarƙarin ya shiga cikin rijiyar, dole ne kasan rijiyar ya kasance mai tsabta don tabbatar da cewa babu wani abu da zai fado daga karfe.
Lokacin da aka fara saukar da bututun mai a cikin rijiyar, sai a yi amfani da ƙaramin matsewar hakowa da ƙananan saurin juyawa don gudanar da aikin hakowa, sannan a ci gaba da hakowa na yau da kullun bayan an kafa ƙasan rijiyar. PDC drill bit wani abu ne mai mahimmanci ba tare da wani sassa masu motsi ba kuma ya dace da hakowar turbine mai sauri.
Lokacin zabar akarfe jiki PDC rawar soja rago, akwai abubuwa da yawa da za a yi la'akari da su don tabbatar da kyakkyawan aiki. Na farko, yana da mahimmanci don kimanta ƙayyadaddun yanayin hakowa da halayen samuwar don ƙayyade ƙira da ƙira mai dacewa. Abubuwa kamar nau'in samuwar, zurfin hakowa da saurin hakowa da ake buƙata za su yi tasiri ga zaɓin madaidaicin jigon rawar PDC na ƙarfe don aikin.
Bugu da ƙari, yana da mahimmanci a yi la'akari da ƙayyadaddun kayan aiki da ingancin lokacin zabar kayan ƙarfeFarashin PDC. Sanyawa da girman kayan aikin yankan suna taka muhimmiyar rawa wajen tantance ingancin yankewa da dorewa na rawar soja. Kayan aikin yankan kayan aiki masu inganci ta amfani da fasahar PDC mai ci gaba na iya haɓaka aikin gabaɗaya da rayuwar sabis na ɗigon rawar soja, yana mai da shi saka hannun jari mai dacewa don ayyukan hakowa na dogon lokaci.
Bugu da ƙari, zane na aikin hydraulic na rawar rawar jiki ba za a iya watsi da shi ba. Ingantacciyar tsarin hydraulic yana da mahimmanci don kiyaye yanke sassa yadda ya kamata a tsafta da sanyi, musamman a cikin ƙalubalen yanayin hakowa. Tsarin hydraulic da aka ƙera da kyau yana taimakawa hana ɗan pelletizing kuma yana tabbatar da ingantaccen kawar da yankan, yana taimakawa haɓaka aikin hakowa da ɗan rai.
A takaice, ta yin la'akari da ƙayyadaddun buƙatun hakowa da zaɓin ingantattun ƙarfe-jiki PDC rawar soja tare da ƙira da fasali masu dacewa, ƙwararrun hakowa na iya haɓaka haɓakar hakowa da samun sakamako mafi girma a cikin ƙalubalen ƙira.