Mkangano kuwotcherera ndodo (DTH) 89mm

D Miningwell amakonzekeretsa zida zonse zobowola miyala zokhala ndi ndodo zobowola zapamwamba kwambiri. Ulusi, matupi a ndodo ndi zolumikizira zolumikizira za mapaipi obowola zidakonzedwa mwamphamvu.
Ulusi: Titha kupanga ulusi wonse womwe umagwirizana ndi miyezo yapadziko lonse ya API, ndikutsimikizira kukonzedwa bwino. Zida za ulusi ndi 35CrMo, ndipo zakhala zikuthandizidwa ndi kutentha kwapamwamba kwambiri ndi chithandizo cha nitriding kuti zitsimikizire kuuma ndi moyo wautumiki wa ulusi.
Thupi la ndodo: Titha kupereka ndodo zobowola ndi ma diameter a 42mm-203mm, ndipo kutalika kwake kumatha kupangidwa mpaka 12 metres. Timasankha DZ40, R780, G105, S135 ndi zipangizo zina ndodo malinga ndi zosowa za makasitomala osiyanasiyana ndi zochitika ntchito kubowola ndodo, ndi makulidwe khoma kungakhale 4.5mm-12mm.
Kuwotcherera: Chitoliro chilichonse chobowola chakhala chikukulirakulirabe, ndipo makulidwe apamwamba a mkati //kunja kwa pier amatha kufika 24mm, zomwe zimawonjezera malo omwe amawotcherera ndikuwonetsetsa kukhazikika kwa cholumikizira chowotcherera.