6 ′ ubunini munsi yumwobo dth inyundo nigiciro cyuruganda rwo kugurisha

Ibisobanuro bigufi:

DTH inyundo ni ubwoko bwibikoresho byo gucukura amabuye ya pneumatike, itandukaniro nabandi ni mugihe cyo gucukura inyundo burigihe iguma munsi yumwobo, bigira ingaruka ku rutare buhoro buhoro bivuye ku nyundo.Umuyaga mwinshi winjira mu nyundo unyuze mu miyoboro ya drill, hanyuma urangire uva mu myitozo, umwuka wuzuye ukoreshwa mu guturika ibiti biva mu mwobo.Imbaraga zizunguruka zikora ku nyundo ya DTH ziva kuri moteri yo kuzunguruka ku cyuma cyimyitozo, imbaraga zo gukurura ziva mubikoresho byo kugaburira no kohereza ingufu ku nyundo binyuze mu miyoboro ya drill.