kubowola makina a Concentric Overburden pobowola Reamer Bit, Overburden Reamer

Njira Yogwiritsira Ntchito: Ndi yoyenera kubowola zitsime zamadzi, zitsime za geothermal, zolakwika zazifupi, dzenje laling'ono laling'ono lomanga, projekiti ya damu ndi doko.

1. mphete ya mphete ndi msonkhano wa nsapato wa casing imalekanitsidwa, nsapato ya casing imakutidwa ndi chubu chobowoleza.Tsekani gululo mu pilot bit ndi nyundo.Kumtunda kwa phewa la woyendetsa ndege kumalowetsa paphewa la nsapato yachikopa.

2. Mphamvu ya nyundo ya nyundo imasamutsidwa kupyolera mwa woyendetsa ndege ndi mphete, kuphwanya mwala .Chimodzi mwazowonjezera mphamvu zowonjezera.

3. Mukamaliza kubowola ndi kubowola, chingwe chobowola chokhala ndi pilot bit chimatengedwa ndikuzungulira pang'ono kuti mutsegule kulumikizana kwa bayonet.Mpheteyo imakhala m'dzenje, ndipo ikhoza kubwezeretsedwanso pokhapokha ngati chosungiracho chabwezedwa

4. Kubowola kumapitirira mpaka kuya komwe kumafunidwa mu thanthwe pogwiritsa ntchito kubowola wamba.