Chifukwa chiyani ma rivets akhungu amathyola mandrel osati pakusweka kwa chokoka?Ine

1. Mphamvu yokoka ya mandrel palokha siikhazikika, mphamvu yosweka ili pafupi kwambiri ndi mphamvu yokoka ya mandrel palokha, kapena chithandizo cha kutentha sichikuchitika, ndipo mandrel ndi brittle.

2. The mandrel yawonongeka pamaso riveting.

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