Tufafi shine na'urar aminci wanda ke ɗaukarwa da sauƙaƙe tasirin waje kuma yana kare gaba da bayan jikin mota.Shekaru 20 da suka gabata, manyan motoci na gaba da na baya an yi su ne da kayan ƙarfe.An buga su cikin karfen U-channel tare da kauri fiye da 3mm.An bi da saman da chrome da riveted ko welded tare da firam dogo.Tare da haɓaka masana'antar kera motoci, ƙwanƙolin mota a matsayin muhimmin na'urar aminci kuma yana kan hanyar ƙirƙira.Motoci na gaba da na baya na yau ban da kiyaye aikin kariya na asali, amma kuma neman jituwa da haɗin kai tare da siffar jiki, neman nasa mara nauyi.Don cimma wannan manufa, gaban da na baya na motoci ana yin su ne da filastik, wanda aka fi sani da bumpers na filastik.Rumbun robobin ya ƙunshi sassa uku, kamar farantin waje, kayan kwantar da hankali da katako.Farantin waje da kayan buffer an yi su ne da filastik, kuma katako an yi shi da takarda mai sanyi tare da kauri na kusan 1.5 mm kuma an buga shi a cikin tsagi mai siffar U;Ana haɗe farantin waje da kayan kwantar da hankali zuwa katako, wanda aka haɗe zuwa dunƙule layin dogo kuma ana iya cire shi a kowane lokaci.Irin wannan robobi na filastik yana amfani da filastik, ainihin yana amfani da jerin polyester da jerin polypropylene na abubuwa biyu, ta hanyar yin amfani da hanyar yin allura.A waje akwai kuma wani nau'in filastik da ake kira polycarbon ester, kutsawa cikin abun da ke cikin gami, hanyar yin alluran allura, aiki daga cikin bumper ba wai kawai yana da ƙarfi mai ƙarfi ba, har ma yana da fa'idodin walda, kuma aikin shafi yana da kyau. yawan kara a cikin motar.Tushen filastik yana da ƙarfi, tsayin daka da kayan ado, daga ra'ayi na aminci, haɗarin mota na iya taka rawar buffer, kare gaba da baya jikin motar, daga bayyanar, ana iya haɗe shi ta dabi'a tare da jiki a cikin yanki, haɗawa cikin. gaba ɗaya, yana da kayan ado mai kyau, ya zama muhimmin ɓangare na kayan ado na bayyanar mota.
