Ko'r perchinlarning yetarlicha bo'rtib chiqmasligi nimani anglatadi?

Yetarlicha bo'rtib chiqmaslik: ko'r perchinning sinish kuchi juda past bo'lgani uchun, perchin to'liq perchinlanmagan va ko'r perchinning sinish nuqtasi uzilib qolgan, natijada ko'r perchinning yetarlicha bo'rtib chiqmasligi nosozlik ostida yuzaga keladi.

https://www.yukerivet.com/news/how-to-solve-if-there-is-a-penetrating-cavity-left-in-the-riveting-body-after-riveting/