Hanyoyin Aiki na Roller Cone Bit.

1. Duban Ƙaddamarwa

1) Duban gani da Takardu:

- Auna da rawar jiki diamita.

- Bincika don lalacewa akan haɗin haɗin da aka yi.

- Tabbatar cewa hakora da hatimi ba su da kyau.

- Tabbatar cewa nadi ba sa yin karo da juna.

- Bincika ga fashe ko lahani a cikin kabu na walda.

2) Sanya Nozzles:

- Tabbatar da tsabtar bututun ƙarfe da gidaje yayin shigarwa. An hana guduma sosai don gujewa lalata bututun ƙarfe da zoben rufewa.

2. Bit Handling

1) Yi amfani da dacewarawar jikimasu haɗawa da kayan aiki don hana lalacewa ga zaren, nozzles, da ɗan bitar jiki.

2) Hana kayan aiki daga fadawa cikin rijiyar yayin sarrafawa.

3) A shafa mai mai.

4) Bi matakan da aka ba da shawarar juzu'i yayin taro:

- 17 1/2" bit: Roller Cone: 46.1—54.2 KN·m; PDC: 65.5—71.9 KN·m.

- 12 1/4" bit: Roller Cone: 37.9—43.3 KN·m; PDC: 50.3—57.5 KN·m.

-8 1/2" bitMazugi: 16.3-21.7 KN·m; PDC: 17-26.4 KN·m.

3. Hakowa da Buɗe Ramin

1) Sarrafa saurin raguwa ta hanyar mai hana busawa, shugaban casing, sassan diamita da aka rage, kafadu, da takalman casing.

2) A hankali buɗe ramin ta hanyar raguwar sassan diamita, tare da taka tsantsan lokacin amfani da raƙuman PDC; dole ne a fara yin famfo kafin buɗe ramin.

3) Tabbatar da saukowa mai santsi don guje wa matsi.

4) Ƙarshen haɗin gwiwa ɗaya ko tsayawa ya kamata ya kasance yana da yawan gudu don buɗe ramin zuwa kasan rijiyar.

3. To Kasan Bincike

1) Yayin da kuke kusanci ƙasan rijiyar, kula da matsa lamba da juzu'i; ƙara nuna lamba tare da kasa ko tara yashi.

2) Idan yashi ya kasance, ɗaga kirtani na rawar soja kuma a jujjuya a babban adadin ruwa don tabbatar da tsaftace ƙasa.

3) Bayan tsaftacewa, matsar da zaren rawar soja sama da ƙasa.

4) Don hakowa mara ƙarfi, yi aiki da 8 1/2 "bit a 17 KN da 12 1/4" a 25 KN, tare da saurin 40-60 RPM.

5) Don hakowa mai ƙarfi, yi aiki da 8 1/2 "bit a 17 KN da 12 1/4" a 25 KN tare da mafi ƙarancin saurin yuwuwar.

5. Hakowa Ta Hanyar Siminti da Na'urorin Haɓakawa

1) Ci gaba da ɗagawa da rage kirtan rawar soja yayin zagayawa da juyawa don tsaftace bit.

2) Sarrafa matsa lamba don guje wa lalacewar yankan hakora da hatimi.

3) Kula da matsa lamba don hana toshewar bututun ƙarfe.

4) Daidaita saurin juyawa idan akwai manyan canje-canje a hakowa ko juzu'i.

5) Yi amfani da matsananciyar rawar soja da jinkirin jujjuyawa don jujjuyawar kwanciyar hankali: hakowa mai ƙarfi yakamata ya sami ƙimar kwarara mai dacewa; hakowa mara ƙarfi ya kamata a yi amfani da yawan magudanar ruwa.

6) Tadawa da buɗe ramin kowane mita 4-5 yayin da ake hakowa ta cikin filogin siminti, yin haka sau 2-3, sannan a wanke rijiyar a magudanar ruwa na tsawon makonni 1-2 kowane mita 25-30 don tabbatar da cikar tarkacen siminti zuwa saman.

6. To Kasa Siffar

1) Yi amfani da matsananciyar rawar soja, jujjuya jinkirin, yawan kwararar ruwa, da ƙananan juzu'i.

2) Siffar da ke ƙasan rijiyar ya dogara da nau'in bit da haɗin kayan aiki.

3) Don raƙuman mazugi, yi aiki a 40-60 RPM da matsa lamba na 35 KN don 17 1/2”, 24 KN don 12 1/4”, da 17 KN don 8 1/2”, yana riƙe aƙalla mintuna 30 na hakowa.

4) DominFarashin PDC, Yi aiki a ƙasa da ton 2 na matsin lamba a 60-100 RPM, ƙara matsa lamba da daidaita saurin bayan hakowa aƙalla mita 1-1.5.

7. Gwajin Hakowa don Ƙayyade Madaidaicin Ma'auni

1) Gwajin hakowa hanya ce mai inganci don sanin ingantacciyar haɗuwar matsa lamba da jujjuyawa don cimma ƙimar hakowa na inji.

2) Gudanar da hakowa na gwaji lokacin da aka sami canje-canje a cikin ƙirƙira, ƙimar hakowa na inji, juzu'i, ma'aikata, ko sigogin aiki kamar kaddarorin laka da na'urorin lantarki.

3) Fara hakowa na gwaji a ƙananan gudu, tare da matsa lamba da aka saita zuwa matsakaicin shawarar da aka ba da shawarar don bit.

4) Lokacin da high inji rates ne achievable a fadin daban-daban rawar soja matsa lamba da kuma gudun haduwa, zabi mafi ƙasƙanci mara-tsalle matsa lamba-gudun hade don mika bit rai.

5) Matsakaicin matsi mai kyau da saurin ya kamata a jagorance su ta hanyar madaidaitan madaidaicin madaidaicin madaidaicin iyaka.