Tun zuwan farkon mazugi a cikin 1909, mazugi ya kasance mafi yawan amfani da shi a duniya. Tricone bit shine mafi yawan abin da ake amfani da shi a ayyukan hakowa na jujjuya. Wannan nau'in rawar soja yana da ƙirar haƙora daban-daban da nau'ikan junction, don haka ana iya daidaita shi da nau'ikan samuwar iri-iri. A cikin aikin hakowa, za a iya zaɓar tsarin da ya dace na mazugi bit daidai da kaddarorin da aka haƙa, kuma ana iya samun gamsasshen saurin hakowa da faifan bidiyo.
Ka'idar aiki na mazugi bit
Lokacin da mazugi ya yi aiki a kasan ramin, gabaɗayan bit ɗin yana zagayawa a gefen bit axis, wanda ake kira juyin juya hali, kuma mazugi guda uku suna birgima a kasan ramin bisa ga nasu axis, wanda ake kira rotation. Nauyin da ake yi wa dutsen ta haƙora yana sa dutsen ya karye. A cikin tsarin birgima, mazugi yana tuntuɓar ƙasan ramin tare da hakora guda ɗaya da hakora biyu, kuma matsayin tsakiyar mazugi yana da girma da ƙasa, wanda ke haifar da bit don samar da rawar jiki mai tsayi. Wannan jijjiga mai tsayi yana haifar da kirtani na rawar soja don matsawa da kuma shimfiɗawa gabaɗaya, kuma ƙananan kirtani na motsa jiki na canza wannan nakasar nakasar cyclic zuwa wani tasiri mai tasiri akan samuwar ta haƙora don karya dutsen. Wannan tasiri da aikin murkushewa shine babbar hanyar murkushe dutse ta hanyar mazugi.
Bayan yin tasiri da murkushe dutsen a kasan ramin, mazugi ya kuma haifar da tasiri a kan dutsen da ke kasan ramin.
Rabewa da zaɓin mazugi bit
Akwai masana'antun mazugi da yawa, waɗanda ke ba da nau'ikan nau'ikan nau'ikan nau'ikan rago. Don sauƙaƙe zaɓi da kuma amfani da cones na mazugi, Cibiyar da ta kafa ta ƙasa da kasa da kasa (IADC) ta kirkiro da hanyar daidaitawa ta haɗin kai da kuma lambar lamba don murfin haɗin duniya.
Lokacin aikawa: Agusta-04-2023