Cluster hammer bits masu maye suna wakilci muhimmin kungiyar a cikin na'urar down-the-hole (DTH) percussion drilling, wanda aka tsara musamman don aikin shafin kasa da geotechnical investigation. Waɗannan bits suna da mahimmanci ga aikin drilling don boreholes na diameter girma wanda zai dauki pile foundations, caissons, da sauran shafin kasa mara sauƙi. Tsarin cluster ya nuna yadda aka tsara carbide inserts da yawa a kan bit face, wanda ke aiki a cikin kungiya don isar da rock fragmentation da shiga mai inganci. Duk da bits monolithic, cluster hammer bits masu maye suna ba da damar modular maintenance da tsarin kudin, kamar yadda bit heads za a iya maye gurɓatawa lokacin da suka lalace maimakon yin watsi da kungiyar gaba daya. Haka tsarin ya zama muhimmin a cikin ayyukan drilling na shafin kasa na yawa inda downtime da kudin aikin suka zama muhimmin.
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