Umuyoboro munini wa Diameter Umuyoboro w'icyuma Umuyoboro wa Tube

Ibisobanuro bigufi:

40Cr ibyuma nimwe mubyuma bikoreshwa cyane mubikorwa byo gukora imashini.Nyuma yo kuzimya no gutwarwa, ifite imiterere yubukanishi yuzuye, ubushyuhe bwiza bwo hasi bukabije hamwe no kutumva neza.Gukomera kwicyuma nibyiza, kandi birashobora kuzimwa kugeza igihe amazi yazimye Ф 28 ~ 60mm, amavuta yazimye F 15 ～ 40mm。 Iyo ubukana ari 174 ~ 229hb, imashini igereranije ni 60%.Icyuma gikwiranye no gukora ifumbire mvaruganda.