Kodi chokolera chomangira chokhala ndi spiral groove chimakhala ndi mbali ziti?

Wotulutsa mutu wokhala ndi ma spinal grooves

Mutu wapakati umalola kuti chotsitsacho chigwirizane ndi zida zinazake. Zida monga wrench ya T-hand, wrench bar, wrench yosinthika kapena pliers ya vise ikhoza kugwirizanitsidwa ndi mutu wapakati.

Shaft yotulutsa yokhala ndi ma spiral grooves

Shaft imapangidwa ndi chitsulo cha carbon ndipo imagwirizanitsa mutu ndi chitoliro.

Mitsuko ya Extractor yokhala ndi ma spiral grooves

Ma groove amapangidwa kuti azilumphira motsatira koloko mu screw kapena bolt. Chotsitsacho chikazunguliridwa motsatira koloko, ma conical grooves amakumba mu screw yowonongeka, ndikupangitsa kuti isungunuke ndipo pamapeto pake imachotsedwa.