Pogwiritsa ntchito kuwotcherera kutsitsi, mawonekedwe ake ndi okongola, pamwamba pake amawotcherera ndi tungsten carbide, kuuma kwake kumaposa HRC60, kukana kuvala kumakula bwino, moyo wautumiki ndi nthawi 3-5 kuposa njira wamba; -quality tungsten carbide aloyi, khalidwe ndi odalirika ndipo akhoza makonda malinga ndi zofunika, wathunthu mankhwala zitsanzo carbonitriding, quenching, ndi tempering mankhwala kusintha mkati metallographic dongosolo kuti kuuma kwa dera quenching kufika HRC58-HRC62 pamwamba odana-; chithandizo cha dzimbiri, kuuma kwa malo osazimitsa pafupi ndi dzenje lokwera ndi ≤ HRC32; kusanja.