Dth hammer bit masana'anta farashin mai sayarwa

DTH (Down the rami) hakowa hanya ce mai jujjuyawar hakowa.Guduma wanda ake amfani da shi don samar da tasiri mai ƙarfi yana haɗe zuwa kasan igiyar rawar soja kuma ana haɗe bit ɗin a ƙananan ƙarshen hammatar DTH.Motsin fistan a cikin guduma DTH yana haifar da iskar matsa lamba mai ƙarfi.Girgizawar girgizar da ke tafiya zuwa ga bit an wuce zuwa ga babban dutse ta hanyar yankan gefuna ko maɓallan carbide akan bit.A sakamakon haka, ana samun tsagewa a cikin dutsen da ke haifar da samuwar guntun dutse.Ana cire yankan daga ramin ta hanyar iskar da ke yawo daga kasa zuwa sama don zubar da ramin.