Waƙar robawani nau'i ne na roba da karfe ko fiber kayan da aka hada da bel din roba na zobe, wanda ya fi dacewa da injinan noma, injinan gine-gine da motocin sufuri da sauran sassan tafiya.

Matsayin samar da albarkatun ƙasa na sama

Thehanyar robaya ƙunshi sassa huɗu: core zinariya, kakkarfan Layer, buffer Layer da roba. Daga cikin su, ɓangaren roba ya haɗa da manne gefe, manne na farko, mannen igiyar ƙarfe, mannen matashin matashin kai, mannen zane, manne hakori, manne gefen dabaran.

Core zinariya wani bangare ne na watsawa, watsa wutar lantarki, jagora da goyon baya na gefe, manyan kayan da ake amfani da su sune ductile iron, simintin gyare-gyaren ƙarfe, aluminum gami, farantin karfe, da dai sauransu, wasu waƙoƙi na iya amfani da filastik.

Ƙaƙƙarfan Layer shine ɓangaren juzu'i, wanda shine tsayin tsayin jikin waƙar roba, wanda ke jure ƙarfin juzu'i kuma yana kiyaye kwanciyar hankali na filin waƙa. Babban kayan da aka yi amfani da su sune igiyar ƙarfe, igiyar ƙarfe mai galvanized, bakin karfe waya, gilashin fiber, aramid ko wasu ƙananan ƙarfin ƙananan igiyoyin roba (giya) ko igiya.
Matsakaicin maƙerin yana ƙarƙashin ƙaƙƙarfan girgizawa da girgiza jikin bel, kuma yana jure nakasu da yawa waɗanda sojojin radial, na gefe da na tangential suka haifar yayin tuƙi na waƙar. A lokaci guda kuma, yana da kariya mai kariya daga sassa masu motsi, wanda ke ba da kariya ga sassan da aka lalata daga lalacewa ta hanyar dakarun waje da kuma hana rikici na karfe na karfe mai karfi daga ainihin zinariya. Babban kayan da ake amfani da su sune igiyar nailan, zanen nailan da sauran kayan fiber.

Thebangaren robaa hankali ya haɗu da sauran abubuwan haɗin gwiwa gaba ɗaya, yana ba da damar tafiya da kwanciyar hankali gabaɗaya, shawar girgiza da ayyukan rage amo, babban abu shine gabaɗaya na roba na halitta (NR) tushen NR / styrene-butadiene roba (SBR), NR / SBR / cis-butadiene roba (BR), NR / narkar da polystyrene-butadiene roba (SSBR) / BR da kuma NR / BR tsarin hade da polyurethane elastomer.

Masu samar da kayan masarufi kamar roba da waya na karfe sun fito ne daga China da kudu maso gabashin Asiya, Turai, Amurka da sauran yankuna masu arzikin albarkatu.