Me yasa makafi rivets ke karya mandrel ba a wurin da aka cire sandar ba?

1. Ƙarfin jan mandrel ɗin kansa ba shi da ƙarfi, ƙarfin wurin da ya karye yana kusa da ƙarfin jan mandrel ɗin kansa, ko kuma ba a yi maganin zafi ba, kuma mandrel ɗin yana da rauni.

2. An lalata mandrel ɗin kafin a yi riveting ɗin.

https://www.yukerivet.com/news/the-mandrel-of-the-rivet-has-been-completely-pulled-out-is-it-qualified-to-leave-a-entertating-hole-in-the-rivet-body-after-riveting/