Me ya sa rivets makafi ke karya madaidaicin kuma ba a wurin karyewar ingarma ba?I

1. Ƙarfin jan ƙarfen da kansa ba shi da kwanciyar hankali, ƙarfin ƙwanƙwasa yana kusa da ƙarfin jan ƙarfe da kansa, ko kuma ba a yi maganin zafi ba, kuma madaidaicin yana raguwa.

2. An lalatar da mandrel kafin riveting.

https://www.yukerivet.com/news/mandrel-of-the-rivet-has-been-completely-pulled-out-is-it-qualified-to-leave-a-penetrating-hole-in- da-rivet-jiki-bayan-riveting/