Halayen gyare-gyaren duwatsu masu wuya irin su granite da hadarin samuwar rami. Lokacin zayyana ginshiƙan tudu don manyan gadoji masu yawa, ana buƙatar tulin don kutsawa cikin dutsen mai wuyar yanayi zuwa wani zurfin zurfi, kuma diamita na takin da aka ƙera don waɗannan tulin tushe ya fi girma sama da 1.5mm. Ko da har zuwa 2m. Yin hakowa cikin irin waɗannan manyan nau'ikan dutse mai tsayi mai tsayi yana sanya manyan buƙatu akan ƙarfin kayan aiki da matsa lamba, gabaɗaya yana buƙatar juzu'i sama da kayan aikin 280kN.m. Lokacin hakowa a cikin wannan nau'in samuwar, asarar haƙoran haƙora yana da girma sosai, kuma ana sanya buƙatu mafi girma akan juriyar girgiza kayan aiki.
Ana amfani da hanyar ginin rotary hakowa a cikin tsararren dutse kamar dutsen granite da sandstone. Ya kamata a dauki matakan daga abubuwan da ke biyowa don inganta haɓakar ramin da kuma rage haɗari.
(1) Ya kamata a zabi kayan aiki masu karfin 280kN.m zuwa sama don aikin hakowa. Shirya haƙoran haƙora tare da taurin mafi girma da mafi kyawun aikin niƙa a gaba. Yakamata a ƙara ruwa zuwa ɓangarorin da ba su da ruwa don rage lalacewa na haƙoran haƙora.
(2) A daidaita kayan aikin hakowa yadda ya kamata. Lokacin haƙa ramuka don manyan diamita a cikin wannan nau'in samuwar, ya kamata a zaɓi hanyar hakowa mai daraja. A cikin mataki na farko, ya kamata a zaɓi rawar ganga mai tsayi tare da diamita na 600mm ~ 800mm don ɗaukar ainihin kai tsaye kuma ƙirƙirar fuska kyauta; ko kuma ya kamata a zaɓi ƙaramin diamita karkace rawar jiki don yin rawar jiki don ƙirƙirar fuska kyauta.
(3) Lokacin da ramuka masu karkata suka faru a cikin tudun dutse, yana da matukar wahala a share ramuka. Don haka, yayin da ake ci karo da dutsen da ke karkata, dole ne a gyara shi kafin a ci gaba da hakowa kamar yadda aka saba.
Lokacin aikawa: Janairu-05-2024