Pambuyo pozimitsa ndi kutenthetsa, pini imalimba pakati pa ma frequency induction, zomwe zimapangitsa kuti pakati pa chinthucho pakhale mphamvu zokwanira komanso kuti pamwamba pa chinthucho pakhale kukana kukalamba.
Pambuyo pa carburization, pin bush imadutsa mkati ndi kunja kwa induction frequency stirification, kuonetsetsa kuti core core ndi kukana kuwonongeka kwa malo amkati ndi akunja.
