Iingoma zerabha zobugcisa zenziwe ngondoqo wentsimbi, ucingo lwentsimbi kunye nerabha nge-vulcanization.
Isiseko sentsimbi yinxalenye ephambili yokuthwala uxinzelelo lomatshini.Yenziwa ngokubumba.Kwaye ngaphambi kokuba i-vulcanization, i-core cores surface iya kucocwa ngokudubula ukudubula kunye nokucocwa kwe-ultrasonic, emva koko baya kufakwa iglue ekhethekileyo ukuqinisekisa ukuba baya kunamathela kunye ne-rubber ngamandla.Iingcingo zensimbi zibonelela ngoxinzelelo ukuze kugcinwe umkhondo werabha rhoqo kubude obuchaziweyo, ukuqinisekisa ukuba umkhondo werabha awuyi kunwenwa ngenxa yomsebenzi wexesha elide okanye nasiphi na esinye isizathu.I-rubber yomzila werabha iyona nto ibalulekileyo.