Iyo bumper ishandiso yekuchengetedza iyo inobata uye inoderedza iyo yekunze kukanganisa uye inodzivirira kumberi uye kumashure kwemotokari yemotokari. Makore makumi maviri apfuura, kumberi uye kumashure bumpers yemotokari dzainyanya kugadzirwa nezvinhu zvesimbi. Vakatemerwa muU-yakavezwa chiteshi chesimbi ine gobvu kweanopfuura 3 mm, uye nzvimbo yacho yakarapwa ne chromium. Vakanga vakwegurwa kana kuiswa pamwe chete nedanda refu remucheka, uye pakanga paine gomba rakakura nemuviri, sekunge chikamu chakabatanidzwa. Nekuvandudzwa kwemotokari yemotokari, mota yemotokari sechinhu chakakosha chekuchengetedza chengetedzo zvakare mumugwagwa wekuvandudza. Mota yemazuva ano kumberi uye kumashure mabumpers kuwedzera kuchengetedza basa rekuchengetedza rekuchengetedza, asi zvakare kutsvaga kwekuwirirana uye kubatana nemuviri, kutsvaga kwerudzi rwayo pachavo. Kuti uwane chinangwa ichi, kumberi uye kumashure bumpers yemotokari yakagadzirwa nepurasitiki, inozivikanwa semapurasitiki emapurasitiki. Iyo plastiki yebhuruu inoumbwa nezvikamu zvitatu: iyo yekunze ndiro, iyo cushioning zvinhu uye danda. Iyo yekunze ndiro uye iyo buffer zvinhu zvakagadzirwa nepurasitiki, uye danda rakagadzirwa neyakaotonhora-rakapetwa sheethari yeanenge 1.5 mm uye yakagadzirwa muU-yakaumbwa groove; Iyo yekunze ndiro uye cushioning zvinhu zvinosungirirwa kune danda, iyo yakasungirirwa pachiratidziro chechitima chechitima uye chinogona kubviswa chero nguva. Iyi plastiki bumper inoshandisa epurasitiki, kunyangwe uchishandisa marudzi maviri emidziyo, polyester uye polypropylene, uchishandisa jekiti yekuumba nzira. Kune zvakare mhando yemapurasitiki inonzi Polycarbon Ester Series kunze, mubatanidzwa mujekiseni rekunyudza, asiwo runyararo rwepamusoro, uye kuungana kwakanaka, huwandu hwakawanda hwemota. Bumper rePurasitiki ine simba, kuomarara uye kushongedza, kubva pakuchengetedza kwemotokari, kubva pakuonekwa kwemotokari, zvakazara
