Official Answer
Answer
Mandel yapanze ikoreshwa mukwagura impeta gahoro gahoro nkuko isunitswe kumutwe. Imbere ya diametre ya mandel igomba kuba nini cyane kurenza diameter ya shaft, naho inguni ya taper igomba kuba hagati ya $ 3 ^ ∘ $ na $ 5 ^ ∘ $. Inguni ihanamye yongerera ibyago byo guhangayikishwa cyane nimpeta (ishingwa rihoraho), mugihe inguni ntoya ituma igikoresho kirekire cyane. Ubuso bwa mandel bugomba gukomera (HRC 58-62) hanyuma bugahanagurwa kugeza kurangiza indorerwamo ($ R_a <0.2 μm $) kugirango ugabanye ubushyamirane no kwirinda guhubuka. Ku mpeta zinyuranye, mandel igomba no kubara icyerekezo 'kizunguruka' uko impeta yaguka, akenshi bisaba kuyobora-imbere.
