Official Answer
Answer
A cikin aikace-aikacen babban-vibration ko babban-RPM, daidaitattun zobba na iya 'jijjiga' daga cikin tsagi idan centrifugal ko inertial sojojin sun wuce ƙarfin mannewa. Zoben 'Kulle Kai' yana da ƙaramin 'tab' akan juyi na ciki wanda ke kulle zuwa 'rami' akan juyawa na waje. Wannan makullin injin yana hana zoben faɗaɗa radially. Da zarar an shigar, ba za a iya cire zoben ba tare da kayan aiki don cire shafin ba. Wannan yana ba da tsarin 'kasa-lafiya' don mahimman abubuwan haɗin gwiwa kamar injin injin injin turbine, inda gazawar zobe zai haifar da asarar injin mai bala'i.
