Menene dalilin karyewar makafin rivet core yayin da ba a fitar da shi sosai?Ⅰ

Akwai manyan dalilai kamar haka:

1. Ja-ta-hanyar: Ana ciro maƙarƙashiya na rivet ɗin daga jikin rivet ɗin gaba ɗaya, kuma karyewar jikin ba ta karye ba, yana barin rami a jikin rivet bayan an yi rive.

Dalilan da ke haifar da al'amarin ja-in-ja su ne: ƙarfin ja na madauki ya yi yawa;diamita na hular mandrel ya yi ƙanƙanta;kayan jikin rivet yana da laushi sosai;saman rami na ciki na rivet yana da mai yawa.

2. Burr: Bayan riveting, burr na mandrel karaya zai shiga a waje da rivet jiki rami;ko ramin jiki ya fito da tip ya fito, yana yin burar da ke goge hannu.

Dalilan burrs sune: diamita na hular mandrel ya yi ƙanƙanta;kayan jikin rivet yana da laushi sosai;diamita na hakowa workpiece ya yi yawa;girman bututun bututun bindigar ya yi girma da yawa;nisa tsakanin karayar mandrel da kan mandrel yayi girma da yawa, wanda ya zarce ainihin kauri na Riveting.