Mtengo wa fakitale wa SANDVIK roller bit IADC742 9 7/8 ulipo

Ma roller bits a Sandvik amapereka ntchito yabwino kwambiri pakuboola zitsime za migodi. Amakhala ndi ma Power Carbide inserts komanso ma cutting structures okonzedwa bwino, amawonjezera kuchuluka kwa kulowa mkati ndi kukulitsa moyo wautumiki mpaka 45% poyerekeza ndi ma bits wamba. Ma roller bearings otsekedwa amawonjezera kulimba mu mapangidwe olimba, okhwima, nthawi yochepetsera ntchito komanso kusintha kwa ma bits. Kukana kwamphamvu kuwonongeka, kugwira ntchito mokhazikika, komanso kudalirika kwakukulu kumachepetsa mtengo pa mita imodzi. Amawongolera ubwino wa mabowo, chitetezo, komanso magwiridwe antchito, zomwe zimapangitsa kuti akhale abwino kwambiri pazitsime zolimba za migodi.