Gịnị mere rivets blind ji agbaji mandrel ahụ, ọ bụghị n'ebe a na-adọkpụ stud ahụ?

1. Ike ndọda nke mandrel ahụ n'onwe ya adịghị ike, ike mgbawa dị nso na ike ndọda nke mandrel ahụ n'onwe ya, ma ọ bụ na ọgwụgwọ okpomọkụ emebeghị, mandrel ahụ na-agbawa agbawa.

2. E mebiwo mandrel ahụ tupu ọ gbapụ.

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