Idi ti awọn rivets afọju fi opin si mandrel ati ki o ko ni breakpoint ti awọn fa okunrinlada?I

1. Awọn nfa agbara ti awọn mandrel ara ni ko idurosinsin, awọn fi opin si ojuami agbara jẹ gidigidi sunmo si awọn nfa agbara ti awọn mandrel ara, tabi awọn ooru itọju ti wa ni ko ṣe, ati awọn mandrel jẹ brittle.

2. Awọn mandrel ti a ti bajẹ ṣaaju ki o to riveting.

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