Official Answer
Answer
Kwiyubaka byikora bisaba mandel yafashwe na plunger. Dimetero fatizo ya mandel igomba guhura na diameter ya shaft, naho inguni ya taper igomba kuba ntoya (mubisanzwe $ 3 ° $ - $ 5 ° $) kugirango igabanye imbaraga zisabwa hamwe nihungabana ryimpeta. Impeta irasunikwa hejuru, ikaguka buhoro buhoro. Ubuso bwa mandel bugomba gukomera (HRC $ 60 + $) hanyuma bugahanagurwa kugeza ku ndorerwamo kugirango birinde indangamuntu y'impeta. Niba mandel ihanamye cyane, impeta irashobora 'guhindagurika' cyangwa kwaguka kutaringaniye, biganisha ku guhinduka guhoraho cyangwa 'cork-screwing,' aho impinduka zimpeta zinyuranye zitandukana burundu.
